ASAP answer quickly please

On this necklace the ratio of black beads to white beads is 2:3
How many more black beads do you need to
add to make the ratio of black to white 3:1 ?

Answer:

x=5

Step-by-step explanation:

2/5(10x+15)=26

10x+15=26/(2/5)

10x+15=(26/1)(5/2)

10x+15=130/2

10x+15=65

10x=65-15

10x=50

x=50/10

x=5

Answer:

x=5

Step-by-step explanation:

Answer:

5/18??? might be wrong

Step-by-step explanation:

The probability that Dale will choose 5 sodas and 3 water is 0.391 and this can be determined by using the concept of probability.

Given :

The following steps can be used in order to determine the probability that he will choose 5 sodas and 3 water:

Step 1 - The concept of probability is used in order to determine the probability that he will choose 5 sodas and 3 water.

Step 2 - First, determine the total number of bottles.

Total Bottles = 9 + 6

                      = 15

Step 3 - So, the probability that he will choose 5 sodas and 3 water is:

[tex]\rm P = \dfrac{\;^9C_5 \times ^6C_3}{\;^{15}C_8}[/tex]

Step 4 - Simplify the above expression.

[tex]\rm P = \dfrac{126 \times 20}{6435}[/tex]

P = 0.391

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Answer:

[tex]\displaystyle y > 4x - 2[/tex]

Step-by-step explanation:

Starting from the y-intercept of [tex]\displaystyle [0, -2],[/tex]you do [tex]\displaystyle \frac{rise}{run}[/tex]by either moving four blocks south over one block west or four blocks north over one block east [west and south are negatives]. Next, we have to determine the types of inequality symbols that are suitable for this graph, which will be less than and greater than since this is a dashed line graph. We then use the zero-interval test [test point (0, 0)] to ensure whether we shade the opposite portion [portion that does not contain the origin] or the portion that DOES contain the origin. At this step, we must verify the inequalities as false or true:

Greater than

[tex]\displaystyle 0 > 4[0] - 2 → 0 > -2[/tex]☑

Less than

[tex]\displaystyle 0 < 4[0] - 2 → 0 ≮ -2[/tex]

This graph is shaded in the portion of the origin, so you would choose the greater than inequality symbol to get this inequality:

[tex]\displaystyle y > 4x - 2[/tex]

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Distance between the points (-3, -4)  is  5

Step-by-step explanation:

Given

points =(-3,-4) and (0,0)

To Find:

The Distance between the two given points =?

Solution:

[tex]Distance =\sqrt{(x2-x1)^2+(y2-y1)^2 }[/tex]

where

[tex](x_1, y_1)[/tex] = coordinates of the first point

[tex](x_2, y_2)[/tex] = coordinates of the second point

So here, we have  

[tex]x_1[/tex] = -3

[tex]y_1[/tex] = -4

[tex]x_2[/tex]  = 0

[tex]y_2[/tex] = 0

So, after putting the values of [tex]x_1[/tex] , [tex]y_1[/tex] , [tex]x_2[/tex] [tex]y_2[/tex]   in the above equation,  we have  

[tex]Distance=\sqrt{(0+3)^2+(0+4)^2 }[/tex]

[tex]Distance=\sqrt{(3)^2+(4)^2 }[/tex]

[tex]Distance=\sqrt{(9)+(16) }[/tex]

[tex]Distance=\sqrt{(25)}[/tex]

Distance = 5

Ages of Mark, Brett and Carl are 80 years, 60 years and 70 years respectively.

Solution:

Given that

Brett is 18 years younger than Mark.

Carl is 10 years younger than Mark.

The sum of the ages of Brett, Mark, and Carl is 212

Need to determine age of Brett, Mark, and Carl.

Let assume age of mark in years be represented by variable x

As it is given that Brett is 18 years younger than Mark , so if we subtract 18 from the age of Mark we will get age of Brett ,

=> Age of Brett = x – 18

Also given that Carl is 10 years younger than Mark , so if we subtract 10 from the age of Mark we will get age of Carl ,

=> Age of Carl = x – 10

Given sum of ages of Brett, Mark, and Carl is 212

=> Age of Mark + Age of Brett + Age of Carl = 212

=> x + ( x – 18 ) + ( x – 10) = 212

=> 3x – 28 = 212

=> 3x = 212 + 28

Age of Mark = x = 80 years

Age of Brett = x – 18 = 80 – 18 = 62 years

Age of Carl = x – 10 = 80 – 10 = 70 years

Hence Ages of Mark , Brett and Carl are 80 years, 60 years and 70 years respectively.

Answer:

y = 8 + 80x

Step-by-step explanation:

Given,

The equation is, y = 8x + 80

It is the wrong equation. Because John has $8 in his bank when he gets a job. It means it is fixed. On the other hand, since he begins earning $80 per day. It becomes variable earnings for him. We know that variables (x, y, z) are multiplied by the variable number (If there is no value for variables). Therefore, the equation will be =

As $8 is fixed and $80 is a variable earnings,

y = 8 + 80x

Here, x represents the number of days John will work. If he works for 20 days, the value will be changed for the number of days he earns. The fixed amount will never be changed.

Answer:

24

Step-by-step explanation:

If we want to cover the base of the prism having dimensions 2 cm × 1 cm with [tex]\frac{1}{2}[/tex] cm length of cube, then there will be (4 × 2) = 8 cubes that can occupy the base.

Width is 1 cm, so there can fit 2 cubes of length [tex]\frac{1}{2}[/tex] cm and length is 2 cm, where 4 cubes of length [tex]\frac{1}{2}[/tex] cm can fit. So, in total (4 × 2) = 8 cubes of [tex]\frac{1}{2}[/tex] cm length.

Now, height of the prism is [tex]\frac{3}{2}[/tex] cm where 3 cubes of length [tex]\frac{1}{2}[/tex] cm can fit.

Therefore, in total there can be (8 × 3) = 24 cubes of [tex]\frac{1}{2}[/tex] cm length. (Answer)

Answer:

24 cubes

Step-by-step explanation:

Please see the pictures below:  

(I hope this helped! :) )

Answer:

○ b Corresponding Angles

Step-by-step explanation:

These two angles are a mirror, so they correspond.

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Angle 1 and angle 5 are alternate interior angles with the same measure.

Angle 1 and angle 5 are alternate interior angles formed by a transversal line intersecting two parallel lines. Alternate interior angles are equal in measure, which means that angle 1 and angle 5 have the same measure. This relationship holds true regardless of the specific measurements of angle 1 and angle 5.

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Answer:

bojdsvj

Step-by-step explanation:dvsDV

I sorry lol i need points :/

Answer:

x = 18

Step-by-step explanation:

The length of the midsection is the sum of the two bases divided by 2. Remember that the bases of a trapezoid are the two parallel sides. So that means:

((5x - 11) + (2x + 7)) /2 = 3x + 7

Simplify ((5x - 11) + (2x + 7)) /2:

(5x - 11) + (2x + 7) /2 = (5x + 2x - 11 + 7) /2 = (7x - 4) /2

Therefore:

(7x - 4) /2 = 3x + 7

Now solve this simultaneous equation:

7x - 4 = 6x + 14

7x = 6x + 18

x = 18

The value of square root of 25/64 will be;

⇒ 5/8

A square root of a number is a value that multiplied by itself gives the same number.

Given that;

The number is,

⇒ square root of 25/64

⇒ √(25 / 64)

Now,

Since, The number is,

⇒ √25/64

⇒ √ (5×5 / 8×8)

⇒ 5 / 8

Thus, The value of √ 25/64 = 5/8

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Final answer:

To make the most 'appley' juice, use a mixture with a high percentage of pure apple juice and minimal amounts of other ingredients.

Explanation:

To make the most "appley" juice, you would want to use a mixture that has a high concentration of apple juice. In this case, the best choice would be a mixture with a high percentage of pure apple juice and minimal amounts of other ingredients. This would ensure that the flavor of the juice is predominantly apple.

For example, a mixture with 90% apple juice and 10% other fruit juices would have a strong apple flavor. On the other hand, a mixture with 50% apple juice and 50% other fruit juices would have a less pronounced apple taste.

By experimenting with different ratios of apple juice to other ingredients, you can find the mixture that results in the most "appley" juice.

Answer:

Any of the set of metallic elements occupying a central block (Groups IVB–VIII, IB, and IIB, or 4–12) in the periodic table, e.g., iron, manganese, chromium, and copper. Chemically they show variable valence and a strong tendency to form coordination compounds, and many of their compounds are colored.

Step-by-step explanation:

Answer:

$2

Step-by-step explanation:

x = daylily

y = geranium

1x + 5y = 22

13x + 1y = 30

Multiply second equation by 5 and subtract the two equations.

1x + 5y = 22

- (65x + 5y = 150)

-64x = -128

x = 2

So one daylily costs 2 dollars

As per the graphical diagram, the largest temperature for each day was recorded in four different cities shows n in lines 1 and m

Hence the option B is correct.

Learn more about the weeks the highest temperature recorded in four different cities lines l,m,n p.

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Using the given points, solve for a, h, k in  g(x) = [tex]a(x - h)^2[/tex] + k . The function rule is  g(x) = [tex]a(x - h)^2[/tex] + k .

To find the function rule for g(x), which is a translation of the quadratic function[tex]\( f(x) = x^2 \)[/tex], we need to determine the horizontal and vertical shifts based on the given points on the graph. The general form for a translated quadratic function is [tex]\( g(x) = a(x - h)^2 + k \)[/tex], where (h, k) represents the vertex of the parabola.

Let's use the given points (9,10), (5,10), and (7,6) to find the translation values.

1. Vertex Form of Quadratic Function:

The vertex form of a quadratic function is [tex]\( f(x) = a(x - h)^2 + k \)[/tex], where (h, k) is the vertex. Let's find the vertex using the given points.

For (9,10):

[tex]\[ 10 = a(9 - h)^2 + k \][/tex]

For (5,10):

[tex]\[ 10 = a(5 - h)^2 + k \][/tex]

For (7,6):

[tex]\[ 6 = a(7 - h)^2 + k \][/tex]

2. Solve the System of Equations:

Solve the system of equations to find the values of  a ,  h , and  k .

3. Substitute into Vertex Form:

Once you find the values of  a ,  h , and  k , substitute them into the vertex form g(x) = [tex]a(x - h)^2[/tex] + k.

By following these steps, you'll obtain the function rule for g(x), which is a translation of  [tex]f(x) = x^2[/tex]  based on the given points on the graph.

Answer:

The next answer is 3 hours

Step-by-step explanation:

I just did it on edge 2021 :)

Answer:

the first answer is c

Step-by-step explanation:

Answer:

f(x) = (2/3)x + 4

Step-by-step explanation:

An equation in function is found by isolating y, and changing "y" to "f(x)".

Isolate y by moving everything else to the other side

What is done to one side must be done to the other

6y - 4x = 24

6y - 4x + 4x = 24 + 4x          (add 4x to both sides. -4x +4x cancels out)

6y = 24 + 4x

6y/6 = 24/6 + 4x/6             (divide both sides by 6)

y = 4 + (2/3)x          (simplify)

y = (2/3)x + 4        (rearrange to a familiar format "y=mx+b")  

f(x) = (2/3)x + 4        (replace y with f(x))

Answer:

1

Step-by-step explanation:

Answer:

3.0 grams of the element are left after 18 minutes

Step-by-step explanation:

Recall that an exponential decay that can be studied with the following formula for the amount of material (A) as a function of time (t):

[tex]A(t)=A_0(1-r)^t[/tex]

where:

[tex]A_0[/tex] is the starting amount of the substance (in our case 820 grams)

r is the rate of decay (which in our case given as 26.8% can be written in decimal form as 0.268

and t is the time in minutes (in our case t = 18 minutes)

Then we have:

[tex]A(t)=A_0(1-r)^t\\A(18)=820*(1-0.268)^18\\A(18)=820*(0.732)^18\\\\A(18)=2.985\,grams[/tex]

which can be rounded to 3.0 grams

Answer: 3.0

Step-by-step explanation:

a=820

r= rate= 26.8%=0.268

b=1-r=1-0.268=0.732

y=820(0.732)^18

y=2.985474

y=3

Answer:

The answer is D brother

Step-by-step explanation:

First, convert the 6 by 8 into inches: 96 by 72 which equals 6912. Now take 6912 and divide it by 4 (for the individual squars) and you get: 1728

A = L x W

A= 8 x 6

A= 96 x 72

96 x 72 = 6912

6912 / 4" = 1728

If your teachers mean like mine, they make you write it out like this:)

Hope that clears it up:)

By taking the quotient between the area of the quilt and the area of a single patch, we will see that she needs 432 patches.

To get this, we need to find the quotient between the surface area of the quilt and the area of a patch.

The quilt is 6ft by 8ft, then the area is:

A = 6ft*8ft = 48ft^2

Remember that:

1ft = 12 in

1ft^2 = (12 in)^2 = 144 in^2

Then the area in square inches is:

A = 48ft^2 = 48*(144 in^2) = 6,912 in^2

Now, the patches are squares of sidelength of 4 inches, then the area of each patch is:

a = (4 in)^2 = 16 in^2

The quotient between the areas gives:

A/a = (6,912 in^2)/(16 in^2) =432

This means that Sarah needs 432 patches, so the correct option is C.

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Answer:

The answer for A. Would be 1 mile B. 2mph C. 4mph and the rest Im still working on

Step-by-step explanation:

Answer:

According to the graph, after half hour, Danielle was 1 mile far from home.

To find the speed we have to apply the formula:

[tex]s=\frac{\Delta d}{\Delta t}[/tex]

From [tex]t=0[/tex] and [tex]t=1[/tex], Danielle went from [tex]d=0[/tex] to  [tex]d=2[/tex]. Replacing this values, we calculate the speed:

[tex]s=\frac{\Delta d}{\Delta t}\\s=\frac{2-0}{1-0}=2[/tex]

Therefore, the speed between 0 and 1 hour is 2 miles per hour.

The Danielle's speed between 1 and 2 hours is zero ([tex]s=0[/tex]). Because, according to the graph, during this time, Danielle didn't move, and without move, there's no speed.

The domain when the function is increasing refers to the increasing x intervals.

From the graph, this increasing interval is from 0 to 1 hours only, it's the only period of time when Danielle was increasing her position.

The parts of the decreasing domain are:

In the graph, you can see these decreasing intervals, which are characterized by a downwards direction of the line.

The parts where the function is constant:

Constant intervals, means no increase, no decrease, just an horizontal line.

Answer:

The cost per block was about 45$

Step-by-step explanation:

I think so, but dont believe it... I may be wrong. Please mark me brainliest

The buyer spent $2 per landscaping block.

Firstly, we need to find out how much money was spent on the landscaping blocks. Given that the buyer spent $164 for two loads of mulch at $22.50 per load and $35 worth of flowers, subtract the total cost of the mulch and flowers from the total amount spent. This gives us:

($22.50 x 2) + $35 =$80 spent on mulch and flowers. Therefore, $164 - $80 = $84 spent on landscaping blocks.

Finally, find the cost per block, by dividing the total amount spent on blocks by the number of blocks. So, $84 / 42 blocks = $2 per block.

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I think the answer is 90 degrees because both triangles are 90, but you're only finding KN and KL which is on ONE triangle not both. SO there's a 90 degree angle on the top triangle. So I'd go with 90, but I could be wrong.

X+Y=60kg

X=60-Y

X*0.2+Y*0.7=60*0.5

(60-Y)*0.2+Y*0.7=30

12-0.2*Y+0.7*Y=30

0.5*Y=18

Y=36 kg

X=60-36

X=24 kg

The metal worker should use 24 kilograms of the metal alloy that is 20% copper and 36 kilograms of the metal alloy that is 70% copper.

Answer:

36kg 24kg

Step-by-step explanation:

Answer: 20

Step-by-step explanation:

x = 7

y = 3

2x + 2y = 2(x + y)

2(7+3) = 2 • 10 = 20

Answer:

20

Step-by-step explanation:

2(7) + 2(3)

14 + 6

20

Answer:6

Step-by-step explanation:

In a circle, a radius perpendicular to a chord bisects the chord. So BC = CA BC = 6 (given) x (or AC) = 6 Answer = 6. Tell me if I was right. Thanks.

Answer:

it's 6

Step-by-step explanation:

Answer:

Both (10,1) and (-4,3)

Step-by-step explanation:

No need but hope it helps:D

Answer:

C

Step-by-step explanation:

if it is on khan this answer is right