The base of an isosceles triangle is 7 cm longer than the legs. Find the legs if the perimeter of the triangle is 43 cm.

Answers

Answer 1
If L represents the leg length, the perimeter is ...
  43 cm = L + L + (L +7 cm)
  36 cm = 3L
  12 cm = L

The length of the legs is 12 cm.

Related Questions

hey can you please help me posted picture of question

Answers

Remember that a parent function is the simplest form of a family of functions. Since you have the graph of a parabola, the parent function will be [tex]y= x^{2} [/tex]. To be more specific the parent function is the quadratic function [tex]y= x^{2} +0x+0[/tex].

We can conclude that the correct answer is B. Quadratic parent function.

Today a clothing store took 30% off the price of a dress, and for the next 3 days, it will take 30% off the previous day's price. If the price of the dress yesterday was $300.00, what will be the price of the dress 3 days from now?

Answers

To find the price three days from now you can calculate the price of the dress after applying the discount each day.

To find the new price, you can multiply by 0.7 (100%-30% = 70%/0.7).

300 x 0.7 = 210 (now)
1st day: 210 x 0.7 = $147
2nd day: $147 x 0.7 = $102.90
3rd day: 102.9 x 0.7 = $72.03

The price on the third day is $72.03.

Answer:72.03

Step-by-step explanation:

Which summation formula represents the series below?

13 + 9 + 5 + 1

Answers

The sum of the series is 28.

The series 13 + 9 + 5 + 1 is an arithmetic series with a common difference of -4. To express this in summation (sigma) notation and find its sum, we first identify the first term (a1) as 13 and the common difference (d) as -4.

Next, we determine the number of terms (n). The series decreases by 4 each time, so we find the number of steps it takes to go from 13 to 1, which are 4 terms in total (13, 9, 5, 1).

We can write the summation formula for an arithmetic series as Sn = n/2 * (2a1 + (n-1)d), where Sn is the sum of the first n terms. With n = 4, a1 = 13, and d = -4, we plug these into the formula:

S4 = 4/2 * (2(13) + (4-1)(-4))

S4 = 2 * (26 - 12)

S4 = 2 * 14

S4 = 28

The sum of the series is 28.

each of 5 boys ate 2/3 of a pizza. what is the total amount of pizza the boys ate?

Answers

3 1/3 pizzas.

Turn 5 into a fraction. 5/1

Multiply the two fractions. 5/1 × 2/3 = 10/3

Simplify this to 3 1/3 pizzas.

Hope this helps!

We have that for the Question "each of 5 boys ate 2/3 of a pizza. what is the total amount of pizza the boys ate?" it can be said that each boy ate

Pt=3.333pizza

From the question we are told

each of 5 boys ate 2/3 of a pizza. what is the total amount of pizza the boys ate?

total amount of pizza the boys ate

Generally the equation for the total amount of pizza the boys ate  is mathematically given as

Pt=N*Ratio

Therefore

Pt=5*2/3

Pt=3.333pizza

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what is the domain and range of
y=-2(x-3)(x+4)

Answers

The domain of any polynomial is "all real numbers."

The vertex of this function is (-0.5, 24.5), so the range of y=-2(x-3)(x+4) is
  -∞ < y ≤ 24.5

Factor completely 56a2b3 − 35ab.
7ab(8ab2 − 5)
7a(8b2 − 5ab)
Prime
7a(8ab3 − 5b)

Answers

A. 

Both numbers have a factor of 7ab. Pull that out by dividing. 

Answer:

7 ab ( 8 ab² - 5 ) .

Step-by-step explanation:

Given  : 56 a²b³ − 35 ab.

To find : Factor completely.

Solution : We have given 56 a²b³ − 35 ab.

Taking 7ab common form both terms .

7 ab ( 8 ab² - 5 ) .

Therefore, 7 ab ( 8 ab² - 5 ) .

Find the number of ways that an organization consisting of 15 members can elect a president, a treasurer, and q secretary. (assuming no person is elected to more than one position)

Answers

Total Members = 15

For electing present number of members = 15

For electing treasurer the numbers of members =14

For electing secretary the numbers of members =13

Find the numbers of possible ways for election of members= ?

Possible ways for election =15*14*13

                                                 =2730

Marko is buying carpet for his bedroom floor. His room measures 13 feet by 12 feet. How many square feet of carpet will Marko need to cover the floor in his room?

Answers

I think the answer is 156, I got this by multiplying 12 times 13.

Answer: 156 square feet of carpet would be needed to cover the floor in his room.

Step-by-step explanation:

Since we have given that

Dimensions of his room as follows :

Length of his room = 13 feet

Width of his room = 12 feet

We need to find the square feet of carpet which is used to cover the floor of his room.

so, we just need to find the area of his room.

Area of rectangle = Length × Breadth

So, Area of his room becomes

[tex]13\times 12\\\\=156\ sq.\ feet[/tex]

Hence, 156 square feet of carpet would be needed to cover the floor in his room.

hey can you please help me posted picture of question

Answers

The inverse of 7x ix x/7

The composition of the function and its inverse must be zero. So the composition of 7x with x/7 is:

[tex](F( F^{-1}x)) \\ \\ =F( \frac{x}{7}) \\ \\ = 7(\frac{x}{7}) \\ \\ = x [/tex]

Thus, 7x and x/7 are inverse of each other.

So the answer to this question is option B

Find the length and width of a rectangle that has the given area and a minimum perimeter. area: a square centimeters

Answers

There isn't enough information to answer this, what is the given area or perimeter?

simplify leaving your answer with positive exponents.

Answers

[tex]\bf \left( \cfrac{5m^{\frac{4}{3}}}{n^{\frac{2}{3}}} \right)^{-\frac{2}{3}}\left(\cfrac{m^4}{8n^5} \right)^{-\frac{4}{3}}\implies \left( \cfrac{n^{\frac{2}{3}}}{5m^{\frac{4}{3}}} \right)^{\frac{2}{3}}\left(\cfrac{8n^5}{m^4} \right)^{\frac{4}{3}}\impliedby \begin{array}{llll} \textit{and now we}\\ \textit{distribute}\\ \textit{the exponent} \end{array}[/tex]

[tex]\bf \left( \cfrac{n^{\frac{2}{3}\cdot \frac{2}{3}}}{5^{\frac{2}{3}}m^{\frac{4}{3}\cdot \frac{2}{3}}} \right)\left( \cfrac{8^{\frac{4}{3}}n^{5\cdot \frac{4}{3}}}{m^{4\cdot \frac{4}{3}}} \right)\implies \cfrac{n^{\frac{4}{9}}}{5^{\frac{2}{3}}m^{\frac{8}{9}}}\cdot \cfrac{8^{\frac{4}{3}}n^{\frac{20}{3}}}{m^{\frac{16}{3}}}\implies \cfrac{8^{\frac{4}{3}}n^{\frac{4}{9}+\frac{20}{3}}}{5^{\frac{2}{3}}m^{\frac{8}{9}+\frac{16}{3}}}[/tex]

[tex]\bf \cfrac{8^{\frac{4}{3}}n^{\frac{4+60}{9}}}{5^{\frac{2}{3}}m^{\frac{8+48}{9}}}\implies \cfrac{8^{\frac{4}{3}}n^{\frac{64}{9}}}{5^{\frac{2}{3}}m^{\frac{56}{9}}}[/tex]

Marcus baked a loaf of banana bread for a party. He cut the loaf into equal size pieces. At the end of the party, there 6 pieces left. Explain how you can find the number of pieces in the whole loaf if Marcus told you that 1/3 of the loaf was left.

Answers

Marcus is left with 6 pieces and 1/3 of the loaf. so  by the problem if x is the whole loaf 1x/3 =6 x =18 . The total pieces of loaves  were 18

Find the midpoint of the segment with the given endpoints. P(–2, 1) and Q(–3, 2)

Answers

Answer:

  (-5/2, 3/2)

Step-by-step explanation:

The midpoint is the average of the coordinates of the endpoints:

  (P +Q)/2 = ((-2, 1) +(-3, 2))/2 = (-2-3, 1+2)/2 = (-5/2, 3/2)

The equation of a circle is ​ (x−2)^2+(y−16)^2=169 ​ . What is the circle's radius?

Answers

Hello!

The equation for a circle is

[tex] (x-h)^{2} +(y-k)^{2} = r^{2} [/tex]

r is the radius

To find the radius we take the square root of the number in the radius spot

sqrt169 = 13

The answer is 13

Hope this helps!

if 12 1/2% of a sum of money is $40 what is the total sum of money?

Answers

12 1/2% = 12.5%

12.5% = $40

1% = 40 ÷ 12.5 = $3.20

100% = $3.20 x 100 = $320

Answer: $320

The total sum of money will be $320.

Let the total sum of money be represented by x.

Based on the information given, the equation to solve the question will be:

12 1/2% × x = 40

0.125x = 40

Divide by 0.125

x = 40/0.125.

x = 320

Therefore, the total sum of money will be $320.

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how do I do this question 4x-2=6

Answers

so what you have to do multiply 2 by 4 just regularly and then because the 2 is a integer u have to add a - to that 8 and that is the answer
Hello there!

X=2

4 x 2 - 2 = 6

Hope this helps!


Please help me I need help

Answers

195 customers found the service satisfactory. 

260*.25=65
260-65=195


When designing a building, you must be sure that the building can withstand hurricane-force winds, which have a velocity of 73 mi/h or more. The formula f=0.004av^2 gives the force F in pounds exerted by a wind blowing against a flat surface. A is the area of the surface in square feet, and v is the wind velocity in miles per hour. How much force is exerted by a wind blowing at 81 mi/h against the side of the building shown?

Answers

the surface area is 412.5 square feet add everything into the equation to get

10825.65 pounds

The first step is calculate the surface area of the flat surface shown

Surface area of the rectangle = length * width = 25*12.9 = 322.5 square feet

Surface area of the triangle = 1/2 *base*height = 1/2*25*7.2 = 90 square feet

Total surface area = 322.5 +90 = 412.5 square feet

Total force = 0.004*a*v^2 = 0.004*412.5*81^2 = 10,825.65 pounds

Sam and Brett share £54 in the ratio of 5:4 how much does each person get

Answers

in short, we split 54 by (5+4) and give 5 pieces of that quotient to Sam and 4 pieces of it to Brett, 

[tex]\bf \cfrac{Sam}{Brett}\qquad 5:4\qquad \cfrac{5}{4}\qquad \qquad \cfrac{5\cdot \frac{54}{5+4}}{4\cdot \frac{54}{5+4}}\implies \cfrac{5\cdot 6}{4\cdot 6}\implies \cfrac{30}{24}[/tex]

all I drink 3/4 of a 16 fluid ounce bottle of juice how many fluid ounces of juice are left in the bottle

Answers

4 fluid ounces. 16 * 1/4 is 4
STEP 1:
multiply 16 oz. by 3/4 to find how many ounces are 3/4 of the bottle

=16 * 3/4
=(16*3)/4
=48/4
=12 ounces


STEP 2:
subtract step 1 answer from the whole 16 oz. to find number of ounces left

=16 - 12
=4 ounces left


CHECK:
multiply the whole 16 oz. by the fraction that would be left (4/4 - 3/4= 1/4). There are several ways to check this problem; this is just one way.

=16 * 1/4
=(16*1)/4
=16/4
=4


ANSWER: 4 ounces would be left

Hope this helps! :)

PLEASE PLEASE HELP ME?!?!!? PLEASSEE I ONLY HAVE 2 QUESTIONS!!!

When the function f(x) = 6(9)x is changed to f(x) = 6(9)x + 1, what is the effect?
Select one:
a. There is no change to the graph because the exponential portion of the function remains the same.

b. All input values are moved 1 space to the right.

c. The x-intercept is 1 space higher.

d. The y-intercept is 1 space higher.

Evaluate fourth root of 9 multiplied by square root of 9 over the fourth root of 9 to the power of 5 . (5 points)
Select one:
a. 9 to the power of negative 1 over 2
b. 9 to the power of negative 1 over 4
c. 9
d. 92

Answers

Answer:d. The y-intercept is 1 space higher.a. 9 to the power of -1/2Step-by-step explanation:

1. Changing f(x) to f(x) + 1 adds 1 to every output value of the function, moving that value "1 space higher". This is true for the y-intercept, too.

___

2. The rules of exponents apply:

a^b · a^c = a^(b+c)1/a^b = a^-b

You apparently want to simplify ...

... 9^(1/4) × 9^(1/2) / 9^(5/4)

... = 9^(1/4 + 1/2 - 5/4)

... = 9^((1+2-5)/4)

... = 9^(-2/4) = 9^(-1/2)

12+5v=2v-9 please show step by step!

Answers

12 + 5v = 2v - 9
Subtract 12 from both sides.

5v = 2v - 21
Subtract 2v from both sides.

3v = -21
Divide both sides by 3.

v = -7

To get it, combine like terms and restrain the variable. Segregating both sides by 3 gives the solution to the equation as v = -7.

How to solve the expression

To solve the condition 12 + 5v = 2v - 9, take after these steps:

Step 1: Segregate the variable terms on one side of the condition and the steady terms on the other side.

Subtract 2v from both sides to move the variable term to the cleared outside:

12 + 5v - 2v = 2v - 9 - 2v

Alter both sides of the condition:

12 + 3v = -9

Step 2: Separate the variable term by moving the reliable term to the other side.

Subtract 12 from both sides to move the dependable term to the proper side:

12 + 3v - 12 = -9 - 12

Unwind both sides of the condition:

3v = -21

Step 3: Light up for v by confining both sides of the condition by the coefficient of v, which is 3.

Portion by 3 to clarify for v:

v = -21 / 3

Streamline the division:

v = -7

The solution to the equation is v = -7.

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find the measure of the requested angle. find the complement of 41*

Answers

Find the measure of the requested angle. find the complement of 41°.

Solution:

The Sum of Complementary Angles is 90°.

So, Sum of Requested Angle and Given Angle =90°

So,Requested Angle+Given angle=90°

So,Requested Angle+41°=90°

To find, Requested Angle we subtract 41° from both sides,

Requested Angle+41°-41°=90°-41°

Requested Angle+0°=49°

So, Requested Angle=49°

Answer:49°

PLZ HELP ASAP CIRCLES

Answers

The center of the circle is at (-1, 1). The radius is determined by the distance from the center to the highlighted point (6, -4). The distance = sqrt[(6+1)^2 + (-4-1)^2] = sqrt[49 + 25] = sqrt(74)
Therefore, the equation of the circle is:
(x + 1)^2 + (y - 1)^2 = 74

shorty's gross pay last week was $251.20.if her hourly rate was $7.85,how many hours did she works?

Answers

251.50 divided by 7.85 is 32 so she worked 32 hours.

if the surface area of two smilar spheres is 256 feet and 576 feet, what is the ratio of the volume of the smaller sphere to the volume of the largee sphere

Answers

[tex]\bf \qquad \qquad \textit{ratio relations} \\\\ \begin{array}{ccccllll} &\stackrel{ratio~of~the}{Sides}&\stackrel{ratio~of~the}{Areas}&\stackrel{ratio~of~the}{Volumes}\\ &-----&-----&-----\\ \cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3} \end{array}\\\\ -----------------------------[/tex]

[tex]\bf \cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\\\\ -------------------------------\\\\ \cfrac{smaller}{larger}\qquad \cfrac{s}{s}=\cfrac{\sqrt{256}}{\sqrt{576}}\implies \cfrac{s}{s}=\cfrac{16}{24}\implies \cfrac{s}{s}=\stackrel{simplified}{\cfrac{2}{3}}[/tex]

The ratio of the volume of the smaller sphere to the volume of the larger sphere, given their surface areas are 256 ft² and 576 ft², is 8:27.

The student has asked about finding the ratio of the volumes of two similar spheres given their surface areas. The surface areas are 256 ft² and 576 ft². To find the volume ratio, we need to use the fact that the ratio of the surface areas of similar spheres is the square of the ratio of their radii, and thus the ratio of the volumes will be the cube of the ratio of their radii.

Let's denote the surface areas as S₁ and S₂, and the volumes as V₁ and V₂. Then, S₁:S₂ = (radius of smaller sphere)² : (radius of larger sphere)² and V₁:V₂ = (radius of smaller sphere)³ : (radius of larger sphere)³.

First, we find the square root of the surface area ratios: [tex]\sqrt{\frac{256}{576} }[/tex] = [tex]\frac{16}{24}[/tex] = [tex]\frac{2}{3}[/tex]. Then, taking the cube of [tex]\frac{2}{3}[/tex] gives us the volume ratio V₁:V₂ = [tex](\frac{2}{3} )^3[/tex] = [tex]\frac{8}{27}[/tex].

Therefore, the ratio of the volume of the smaller sphere to the volume of the larger sphere is 8:27.

a player gets to throw 4 darts at the target shown. Assuming the player will always hit the target, the probability of hitting an odd number three times is *blank* times more than the probability of hitting an even number 3 times

Answers

Answer: The probability of hitting an odd number three times is [tex]3\dfrac{3}{8}[/tex] times more than the probability of hitting an even number 3 times.

Step-by-step explanation:

From the given picture , the total total number of sections in the spinner = 5

Sections having Odd numbers = 3

Sections having Even numbers =2

We know that , [tex]\text{Probability}=\dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}[/tex]

So , probability of hitting an odd number = [tex]\dfrac{3}{5}[/tex]

Probability of hitting an even number = [tex]\dfrac{2}{5}[/tex]

Since all events are independent of each other ,

So , probability of hitting an odd number three times = [tex](\dfrac{3}{5})^3=\dfrac{27}{125}[/tex]

Probability of hitting an even number three times = [tex](\dfrac{2}{5})^3=\dfrac{8}{125}[/tex]

Divide  [tex]\dfrac{27}{125}[/tex] by [tex]\dfrac{8}{125}[/tex] , we get

[tex]\dfrac{27}{125}\div\dfrac{8}{125}\\\\=\dfrac{27}{125}\times\dfrac{125}{8}=\dfrac{27}{8}=3\dfrac{3}{8}[/tex]

Hence, the probability of hitting an odd number three times is [tex]3\dfrac{3}{8}[/tex] times more than the probability of hitting an even number 3 times.

Answer:

3.375

Step-by-step explanation:

Circle 1 is centered at (5,8) and has a radius of 8 cm. Circle 2 is centered at (1,-2) and has a radius of 4cm. The circles are similar because you can translate circle 1using the transformation rule (___,___) and then dialate it using a scale factor of (___).

Answers

From the given information:
Circle 1:
Center (5,8)
radius= 8 cm 

Circle 2:
Center (1,-2)
radius= 4 cm

The above circle are similar because you can translate Circle 1 using the transformation rule (-4,-10) translation and dilate it using a scale factor of 4/8=1/2

A triangle has interior angles measuring 40 and 52. Which triangle are similar to this triangle? select true or false for each triangle.

Answers

The first 2 are false, the second 2 are both true.  Because all the angles in a triangle have to add up to equal 180, then 40 + 52 + 88 = 180.  Therefore, the combinations of 52 and 88 and 40 and 88 fit correctly.  92 doesn't fit at all.  It's too big.
The three angles of a triangle need to equal 180 degrees.
 If you have a triangle with 40 and 52, then the third angle is 180 - 40 - 52 = 88 degrees.
 

Any triangle that has at least two of the three angles ( 40 , 52 and 88) will be similar

1. FALSE
2. FALSE
3. TRUE
4. TRUE

You are traveling to Chicago for a job interview. You leave Toledo, Ohio, at 5:45 A.M. and arrive in Elkhart, Indiana, at 8:15 A.M.. The distance from Toledo to Elkhart is 136 miles; the distance from Toledo to Chicago is 244 miles. The speed limit is 65 mph. What is the minimum speed you must maintain in order to arrive in Chicago before 10:30 A.M.

Answers

To find the minimum speed need to reach Chicago based on this information, you will need to know how far it is from Elkhart to Toledo and how long it takes.

To get from Elkhart to Toledo is 108 miles. (244-136)

It will take 2.25 hours to get there. From 8:15 am to 10:30 am is 2 1/4 hours.

108 miles/2.25 hours = 48 miles per hour. You must travel at an average speed of 48 miles per hour.
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