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3 years ago

15

Jimmy has a pocket full of quarters and dimes. There is a total of 40 coins, which adds up to 5.50. How many quarters dose he ha

ve In his pocket? Dimes?

1 answer:

Ilia_Sergeevich [38]3 years ago

8 0

He has 16 dimes and 16 quarters

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Suppose you are constructing a scale model solar system using a scale ratio of 1 to 10 billion. In your scale model what will be

Shkiper50 [21]

Answer:

Step-by-step explanation:

First convert km to meters

143000 km = 143,000,000m = 1.43*10^8 m

Now convert 10 billion to scientific notation1 00

10 billion = 1 * 10^10

What this means is that 1 * 10^10 meters in outer space = 1 meter for the scale model.

Now show what the ratio is for

1.43*10^8

======== Divide by the denominator

1 * 10^10

1.43 * 10^(8 - 10)

1.43 * 10 ^ - 2 meters

Answer: 0.0143m or B

6 0

3 years ago

Is the answer A or C?

Brilliant_brown [7]

Area=(base x height)/2
base=5.8 cm
height=2.4 cm

Area=(5.8 cm * 2.4 cm) / 2=6.96 cm²

The answer is A 6.96

8 0

4 years ago

Alessandra tried to fill the prism with unit cubes but did not have enough.

vovangra [49]

The answer is A

Step-by-step explanation:

I got is right pls mark me brainliest

3 0

3 years ago

Read 2 more answers

Find a solution to the linear equation −2x−2y=8 by filling in the boxes with a valid value of x and y.Provide your answer below:

inna [77]

Given

$-2x-2y=8$

To find a solution for the linear equation, the first step is to write the equation in slope-intercept form:

-Pass the x-term to the right side of the equation by applying the opposite operation to both sides of the equal sign:

$\begin{gathered} -2x+2x-2y=8+2x \\ -2y=2x+8 \end{gathered}$

-Divide both sides by -2:

$\begin{gathered} \frac{-2y}{-2}=\frac{2x}{-2}+\frac{8}{-2} \\ y=-x-4 \end{gathered}$

Once you have expressed the equation of the line in slope-intercept form, replace it with any value for x and calculate the corresponding value of y, for example, x=2

$\begin{gathered} y=-(2)-4 \\ y=-2-4 \\ y=-6 \end{gathered}$

One solution for the linear equation is x=2 and y=-6, you can check the solution by replacing the values on the original equation, with both values the result should be 8:

$\begin{gathered} -2x-2y \\ -2\cdot2-2\cdot(-6) \\ -4+12=8 \end{gathered}$

As you can see the values are a valid solution for the linear equation.

So the solution is:

$-2(2)-2(-6)=8$

6 0

1 year ago

The largest prime factor of sixty-three is _____.<br><br> 2<br> 3<br> 7<br> 63

Bogdan [553]

Factors are numbers you can multiply together to get another number. A prime <span>number can be divided evenly by 1 and itself.
63: 1, 3, 7, 9, 21, 63
</span><span>The largest prime factor of 63 is 7</span>

4 0

3 years ago

Read 2 more answers