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3 years ago

What is -3 (5a + 2 + 3c) simplified?

Mathematics

1 answer:

GuDViN [60]3 years ago

6 0

-15a - 9c -6 should be right :)

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What’s the value of the 8 in 281480100

luda_lava [24]

We want to find the value of the 8 in 281,480,100

Let's find the place value of each of the numbers:

2 - hundred millions

8 - ten millions

1 - millions

4 - hundred thousands

8 - ten thousands

0 - thousands

1 - hundreds

0 - tens

0 - ones

I see there are two 8's so I wouldn't be too sure of which value to find, but just in case, we have the chart made above for place values.

There is one 8 at the ten millions value.

There is one 8 at the ten thousands value.

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3 years ago

Read 2 more answers

What is the volume of this rectangular prism?

nika2105 [10]

Answer:

The volume of this rectangular prism is D. 60 $cm^{3}$ .

Step-by-step explanation:

In order to find the volume of a rectangular prism, we need to multiply the length by the width, and then multiply their product by the height of the prism. We can write what I said above as a formula...

V = l × w × h

(In the formula above "V" is the volume, "l" is the length, "w" is the width, and "h" is the height).

Now we just substitute the values into the formula and we get...

V = l × w × h

V = 4cm × 3cm × 5cm

V = 60 $cm^{3}$

Therefore, the volume of this rectangular prism is D. 60 $cm^{3}$ .

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3 years ago

If f(x) = x/2 -3 and g(x) = 4x² + x - 4, find (f+ g)(x).

Shalnov [3]

Answer:

correct answer is : D. 42 + 3x - 7

4 0

2 years ago

( PLEASE HELP) The points (3,-2) (-3,-2) and (-3,6) are the vertices of a triangle. Find the perimeter of the triangle. (Hint: U

True [87]

Look at the picture.

$x^2=6^2+8^2\\\\x^2=36+64\\\\x^2=100\to x=\sqrt{100}\to x=10$

The perimeter of the triangle:

$P_\Delta=6+8+10=24$

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3 years ago

A notebook costs $4.50 plus sales tax.after sales tax,the notebook is $4.86 what is the sales tax rate

Yakvenalex [24]

The sales tax rate would be 8%.

To find how much you spent on tax in the total, you'd begin by subtracting the pre-tax notebook from the after tax notebook.

4.86 - 4.50 = 0.36

So now we know that you spent 36 cents on tax. From there, we'd divide our money spent on tax by our pre-tax total.

0.36 ÷ 4.50 = 0.08

This means that the sales tax is 8%.

Hope I could help!

7 0

3 years ago

What is -3 (5a + 2 + 3c) simplified?​

What is -3 (5a + 2 + 3c) simplified?