Christopher’s back yard is in the shape of a trapezoid.The bases of his back yard are 30 and 40 feet long.The area of his back yard is 525 square feet.Write and solve an equation to find the height of Christopher’s back yard.

Answers

Answer 1

The height is 15 sqr. ft. the equation to solve this is:

2*525/30+40

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5 Points, Time Limit, Brainliest, Please don't spam, Thanks!

The table shows the number of skirts of different colors in a closet. A fair coin is shown below the table.
Color of Skirt Number
Yellow 5
Blue 8
Green 4
Pink 3
A coin Maria selects a skirt from the closet randomly without looking and then tosses the fair coin. What is the probability that she will select a yellow skirt and that the coin will land tails up?
1 over 20
1 over 10
1 over 8
1 over 5

Answers

The awnser is 1/8
There are 20 different and 5 of them are yellow. 1/4 of them are yellow
1/2 chance of the coin have tails up
1/4 × 1/2 = 1/8
hope it helps

Answer: [tex]\dfrac{1}{10}[/tex]

Step-by-step explanation:

Given : Number of yellow Skirt Number =5

Total skirt = [tex]5+8+4+3=20[/tex]

The probability that she will select a yellow skirt will be :_

[tex]\dfrac{5}{20}=\dfrac{1}{5}[/tex]

Total faces in coin=2

Number of tails = 1

The probability that the coin will land tails up :-

[tex]\dfrac{1}{2}[/tex]

Since ,both events are independent , then the probability that she will select a yellow skirt and that the coin will land tails up is given by :-

[tex]\dfrac{1}{5}\dfrac{1}{2}=\dfrac{1}{10}[/tex]

So sorry, I just don’t understand this Please I’m almost done.

Answers

It is worked exactly the same way your other problem was worked.
https://brainly.com/question/9128908

Atrap = (1/2)*(9+5)*5 = 35
Arect = 5*(9 +5 +5 +6.4) = 127
Atot = 127 +2*35 = 197 . . . . in^2

I would be much appreciated if somebody took time out of their day to answer this for me.

Answers

Problem 4
You have to assume something or it is unsolvable.
We will assume that the triangle is divided into 2 smaller right triangles. They will be subject to a^2 + b^2 = c^2
a = 32/2 = 16
b = h
c = 20
20^2 = 16^2 + h^2
400 = 256 + h^2 Subtract 256
400 - 256 = h^2
144 = h^2
h = sqrt(144)
h = 12

Now we can find the area.
h = 12
base = b = 32

Area = 1/2 * b * h
Area = 1/2 * 32 * 12
Area = 192 square inches.

Problem 5
Same assumption. Same method.
a^2 + b^2 = c^2
c = 25
b = 7
h = ???
h^2 + 7^2 = 25^2
h^2 + 49 = 625
h^2 = 625 - 49
h^2 = 576
h = sqrt(576)
h = 24

Area = 1/2 Base * h
base = 2*7
base = b = 14

Area = 1/2 * 14 * 24
Area = 168 <<<< answer.

A line has a slope of 2/3 and contains the points (x, 9) and (3, 7). The value of x is

0
3
6

Answers

(6,9) It would help to draw a graph then plot (3,7) and then from that point go up 2 and to the right 3 and then you get your answer. Hope this helps.
x= 6

Answer:

Step-by-step explanation:

You can see the answer above and I also did the lesson submitted it and got it right.

PLZZZZZZZZZHELP HURRY!!! What is the difference (2x-3) - (x- 1)

x-4
x-2
x+2
x+4

Answers

(2x - 3) - (x - 1) = 2x - 3 - x + 1 = x - 2

The answer is x-2.

So, first subtract 2x by x to both sides. Now you have x - 3 - 1 add 3 to both sides. and now you have x + 2

Whats 16 + 4 plese help!!

Answers

16+4=20

Hope i helped :)

the answer is 20 because 16+4=20

Helpppppp!!!!!!!!!!!!!!!

Answers

your answer is D. Hope this helps!

Ernie saved $650 in twenty six weeks. He saved the same amount each week. How much did he save each week?

Answers

650/26=25
650 divided by 26 weeks is

$25 per Week

Hello!

Divide the total amount of money Ernie saved ($650) by the number of weeks it took him to save up (26):

650 ÷ 26 = 25

ANSWER:

Ernie saved $25 each week.

Write the expression “the sum of seven times a number and five, divided by the sum of negative two times the number and eleven” using algebra. Choose the correct phrase below.

Answers

let the number be x

The expression will be:
(7x + 5) ÷ (-2x + 11)

The correct phrase below which you have not included is (7x +5 )/(-2x+11).

What are the ratio and proportion?

The ratio is the division of the two numbers.

For example, a/b, where a will be the numerator and b, will be the denominator.

Proportion is the relation of a variable with another. It could be direct or inverse.

The ratio is the division and the ratio can be bigger than the amount which is put on the ratio or the ratio could be smaller than the amount which is put on the ratio. It depends upon whether the numerator is big or small than the denomintor.

Given the condition in the question let's suppose the number is x then

seven-time is 7x and 5 means 7x + 5.

Similarly -2 times means -2x and 11 means -2x + 11 hence (7x +5 )/(-2x+11) will be correct answer.

For more information about ratio and proportion

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What is the LCM of 6 and 9?

Answers

LCM of 6 and 9 is 18

The LCM for the numbers 6 & 9 is 18.

Hope this helped!

0.5 as a repeating decimal to a fraction
show your work

also 0.7 as a repeating decimal to a fraction
show your work

Answers

those are just repeating equivalent decimals

Final answer:

The decimal 0.5 converts to the fraction 1/2 and the decimal 0.7 converts to the fraction 7/10.

Explanation:

To convert the decimal 0.5 and 0.7 into fractions, we use the definition of a decimal. A decimal is a representation of a fraction in terms where we have a power of 10 in the denominator. For instance:

To convert 0.5 into a fraction, we can think of it as 0.5/1 which equals to 5/10 or simplifies to 1/2. Converting 0.7 into a fraction, would give us 0.7/1 which is equal to 7/10.

So, 0.5 as a decimal is 1/2 as a fraction and 0.7 as a decimal is 7/10 as a fraction.

Learn more about Converting decimals to fractions here:

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Justin jogs 1 and 3/4 miles from his house. He then jogs 3 and 3/5 miles farther. How many miles has he jogged in all?

Answers

Justin jogs 1 and 3/4 miles from his house. He then jogs 3 and 3/5 miles farther. How many miles has he jogged in all?

Justin jogs
1 3/4 +3 3/5

than i will let you get the operation by your self to make sure that you understand

I converted the mixed fractions to improper
Then Add them up:
7/4+18/5
Take out the LCM of the denominator
= 35/20+72/20
= 107/20

Find the lateral area for the cylinder with the given measurement. r = 4, h = 5 20 square units 40 square units 80 square units

Answers

[tex]\bf \textit{lateral area of a cylinder}\\\\ LA=2\pi rh\quad \begin{cases} r=radius\\ h=height\\ -----\\ r=4\\ h=5 \end{cases}\implies LA=2\pi (4)(5)\implies LA=40\pi [/tex]

Answer: 40π square units

Step-by-step explanation: since, lateral area of cylinder=2πrh

where r=radius=4 and h=height=5

⇒ lateral area= 2π×4×5

= 40π square units

which relationship between the legs and the hypotenuse of the right triangle is correct?

Answers

You didn't include any of the options but using the Pythagorean theorem (a^2+b^2=c^2) you can determine that side x=6

x^2 +( 8^2) = (10^2)
x^2 + 64 = 100
-64 -64
x^2 = 36
x = 6

what does x equal? Plus can u pls explain cuz I have a test friday

Answers

7x and x+20 lie on the straight line so they will equal to 180. So now we can add them and set them equal to 180 so we can solve for x.

7x + x + 20 = 180
8x + 20 = 180
8x = 160
x = 20.

So the value of x is 20

Hope I helped :)

Jordan bought 9/16 of a pound of sunflower seeds and divided them evenly into 9 snack bags for his lunch. What is the weight of sunflower seeds in each snack bag? 1/16 of a pound 1/9of a pound 16/81 of a pound 81/16 pounds

Answers

Answer:

Step-by-step explanation:

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Please try to answer as many as possible. Thanks
A gift box is in the shape of a triangular prism has a volume of 140 cubic inches, a vase height of 10 inches, and a height of 4 inches. What is the length of the base?

A special box designed to hold an antique artifact is shaped like a triangular prism. The surface area of the box is 421.2 square inches. The height of the base triangle is 7.8 inches and each side of the base triangle is 9 inches long. What is the height of the box?

Piper wants to buy enough potting soil to fill flower box that is 36 inches long, 8 inches wide, and 10 inches tall. If one bag of potting soil contains 576 cubic inches, how many bags should she buy?

Michael's pencil box is shaped like a rectangular prism. It is 30.5 centimeters long, 20.3 centimeters wide, and 10 centimeters tall. He estimates that the surface area of the box is about 2,200 square centimeters. Is his estimate reasonable? Explain your reasoning.

Answers

For the first one the answer is 2

Jefferson high school is looking to expand its student parking lot by expanding the existing lot as shown below

Answers

what thats not even possible to answer

Mrs Henley built a cage for her bird. She wanted to cover the bottom of the cage with newspaper. If the cage is 1/4 yard by 1/2 yard, what is the area that needs to be covered?

Answers

1/8 yard, I believe. I multiplied 1/4 by 1/2 to get 1/8 bc the formula for area is length×width.

The question says :Mrs Henley built a cage for her bird .

The bottom of the cage Mrs Henley build has to be covered by a newspaper.

To cover the bottom by newspaper we need to find the area of bottom.

The formula to find the area of bottom is length x width.

The dimensions of the bottom is given as [tex] \frac{1}{4} and \frac{1}{2} yard. [/tex]

Area of bottom = [tex] \frac{1}{4} times \frac{1}{2} = \frac{1}{8} [/tex]

Answer: The area that needs to be covered is [tex] \frac{1}{8} [/tex] square yards.

It took Yuik (1/6) of a hour to water get flowers and (4/6) of an hour to weed her garden. What fraction of an hour did Yuik work in her yard

Answers

Yuki worked in her yard for 5/6 of an hour (or 50 minutes). 1/6 + 4/6 = 5/6, because you don’t change the denominator.

The required fraction of an hour is 5/6 Yuik work in her yard.

What is the fraction?

A fraction is defined as a numerical representation of a part of a whole that represents a rational number.

It took Yuik (1/6) of an hour to water the flowers and (4/6) of an hour to weed her garden, so in total, she worked for (1/6) + (4/6) = 5/6 of an hour in her yard.

To add the two fractions, we need to have a common denominator, which is 6. Then we can add the numerators (1 + 4) to get 5.

⇒ 5/6

Thus, the final fraction is 5/6.

Learn more about the fraction here:

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Can the sides of a triangle have lengths 6.2, 0.5, and 7.8?
yes or no

Answers

No, it's not possible for the sides of a triangle to have those lengths.

According to the triangle inequality theorem, the sum of any two sides of the triangle has to be bigger than the last side. Let's test this.

[tex]6.2+7.8\ \textgreater \ 0.5[/tex]

This inequality satisfies the triangle inequality theorem.

[tex]7.8+0.5\ \textgreater \ 6.2[/tex]

This also satisfies the theorem.

[tex]6.2+0.5 \textless \ 7.8[/tex]

Uh oh. This does not satisfy the triangle inequality theorem. Thus, it is not possible for a triangle to have these side lengths.

now how do u find the approximate area of a circle

Answers

The area of a circle is π r^2, with r being the radius

For example, the area of a circle with a radius of 3 would be 28.27

I hope this helps!

The back-to-back stem-and-leaf plot below shows the ages of patients seen by two doctors in a family clinic in one day. Compare the ages of the patients of doctor 1 and doctor 2 using the mean and the median of each data set. Doctor 1 Doctor 2 | 3 | 5 9 2 0 | 2 | 0 0 2 3 6 8 7 5 | 1 | 3 7 9 7 3 2 1 1| 0 | 2 2 3 9 Key: means 29 9|2|3 means 23
I don't quite know how to do this, so if someone could guide me through it that would be nice..!

Answers

The mean of the ages of Doctor 1's patients is 13.54 and the median is 15. The mean of the ages of Doctor 2's patients is 16 and the median is 19.

Explanation:
The mean is found by adding together all of the data points and then dividing by the number of data points. For Doctor 1, (32+20+22+29+15+17+18+1+1+2+3+7+9)/13 = 176/13 = 13.54.

For Doctor 2, (35+20+20+22+23+26+13+17+2+2+3+9)/12 = 192/12 = 16.

The median is the middle number in the data set after it has been ordered from least to greatest. The stem-and-leaf plot organizes it, so we find the middle value.

For Doctor 1, 15 is in the middle.

For Doctor 2, the middle is between 26 and 13: (26+13)/2 = 39/2 = 19.5

Answer:

The mean of the ages of Doctor 1's patients is 13.54 and the median is 15. The mean of the ages of Doctor 2's patients is 16 and the median is 19.

Step-by-step explanation:

How do you do the midpoint with the same point

Answers

you can but It would just be the same point

is (8,3) solution to 3x-4y>12

Answers

What you would do to figure this out is plug in x and y.

3(8)-4(3)>12

24-12>12

12>12

12 cannot be greater than twelve because they’re equal so it’s not.

Have a good day!

Which is longer 2 kilometers or 2 meters

Answers

2 kilos is 1000 times more

2 kilometrers is longer than 2 meters

Kelly is making ice cream cones for her 6 friends. 1/3 of her friends asked for sprinkles on their ice cream. How many ice cream cones should kelly make with sprinkles

Answers

Hi there!

To solve this problem, we just need to multiply 6 by 1/3.

6 × 1/3 = 6/3

Now, we simplify.

6/3 = 2

Hope this helps!

How many quarter pound buyers can george make out of 3 and 1/2 pounds of ground beef?

Answers

Divide the total amount by the portion size.

= 3 1/2 ÷ 1/4
convert 3 1/2 to improper fraction

= (2*3+1)/2 ÷ 1/4
= 7/2 ÷ 1/4

to divide a fraction, we multiply by the reciprocal/inverse of 1/4

= 7/2 * 4/1
multiply numerators, then multiply denominators

= (7*4)/(2*1)
= 28/2

= 14

ANSWER: 14

Hope this helps! :)

what is thw quadractic formula of this

Answers

Hello!

[tex]\sf 7n^{2} -6n+10=0\\\\x = \dfrac{-b~\±~\sqrt{b^{2} -4ac} }{2a} \\\\\\x = \dfrac{-(-6)~\±~\sqrt{(-6)^{2} -4~\times~7~\times~10} }{2~\times~7}\\\\\\x =\boxed{\dfrac{6\±\sqrt{-244} }{14} }[/tex]

You plan to paint the outside of this garage, including the roof. Which calculation will help you best decide how much paint you will need? (Omit the floor of the garage in your calculation.) Add the areas of 9 rectangles and 2 triangles. Add the areas of 6 rectangles and 2 triangles. Add the volumes of 1 rectangular prism and 1 triangular prism. Add the perimeters of 4 rectangles and 2 triangles.

Answers

The four walls will be four rectangles.
The roof will be two rectangles.
The ends holding up the roof will be two triangles.

The 2nd selection is appropriate (areas of 6 rectangles + 2 triangles).

_____
Yes, you're trying to find the volume of paint, but paint is sold in terms of the number of square feet (area) it covers. Rarely do we concern ourselves with computing paint volume from the thickness of the film covering the area. Certainly, the volume of paint is substantially less than the volume of the walls or the entire garage.

Answer:

add the areas of 6 rectangles and 2 triangles

Step-by-step explanation:

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