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3 years ago

Simplify –(5x3 + x2) + 4(x3 – 3x2). Show your work.

Mathematics

2 answers:

SpyIntel [72]3 years ago

8 0

Answer:

Step-by-step explanation:

-(5x³+x²)+4(x³-3x²)

=-5x³-x²+4x³-12x²

=-x³-13x²

Stella [2.4K]3 years ago

4 0

Answer:

x^3 - 13x^2.

Step-by-step explanation:

–(5x3 + x2) + 4(x3 – 3x2) Removing the brackets:-

= -5x^3 - x^2 + 4x^3 - 12x^2

= -5x^3 + 4x^3 - x^2 - 12x^2

= x^3 - 13x^2.

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postnew [5]

Step-by-step explanation:

y = x² + x + 5

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x² = -4

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No solutions

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2 years ago

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11111nata11111 [884]

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3 years ago

If a basketball has a volume of 12,114.7 cm3, what is the distance across of a basketball

kirza4 [7]

All we need to do is start with the volume formula. Then, input the volume and solve the equation for the radius. And double it to get the diameter.

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4 0

3 years ago

Which ratio is higher 15:20 or 12:16. for 35 points

Margarita [4]

To find which ratio is higher, we can first convert the ratios into fractions (that makes it easier, at least for me) and then simplify the fractions and see which one is greater.

Since ratios are basically division, 15:20 = $\frac{15}{20}$ , and

12:16 = $\frac{12}{16}$

Now we simplify these fractions. 15 and 20 have a GCF of 5, so taking out the common number gives us the simplified fraction of $\frac{3}{4}$ .

12 and 16 have a GCF of 4, so taking out the common number gives us the simplified fraction of $\frac{3}{4}$ . Since $\frac{3}{4}$ = $\frac{3}{4}$ , these ratios are the same.

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3 years ago

A 7-mile bike race is divided into 4 equal sections. Which equation shows how to find the number of miles in each section?

guapka [62]

You would divide 7 by 4. (7/4) each section would be 1.75 miles :)

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3 years ago

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