3 years ago

Subtract 9x^2 - 7x from -4x^2 + 6

Mathematics

1 answer:

Rzqust [24]3 years ago

8 0

Answer:

13x^2 - 7x + 6

Step-by-step explanation:

(9x^2 -7x) - 1(-4x^2 + 6)

(9x^2 -7x) + 4x^2 +6

9x^2 - 7x + 4x^2 + 6

(9x^2 + 4x^2) - 7x + 6

13x^2 - 7x + 6

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Nostrana [21]

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2 years ago

Plz help me with this question

irga5000 [103]

Answer:

122

Step-by-step explanation:

$x^6+y^2$

Plug in 1 for x and 11 for y

$=1^6+11^2$

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2 years ago

The perimeter of the triangular park on the right is 16x-6. What is the missing length? The bottom side length is 5x+4 and the r

Romashka-Z-Leto [24]

Answer:

$(9x-5)\ units$

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

The perimeter of a triangle is the sum of the length of their three sides

$P=a+b+c$

where

a,b,c are the length sides of the triangle

In this problem we have

$P=(16x-6)\ units\\a=(2x-5)\ units\\b=(5x+4)\ units$

substitute and solve for the missing length

$(16x-6)=(2x-5)+(5x+4)+c\\c=(16x-6)-(2x-5)-(5x+4)\\c=(9x-5)\ units$

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3 years ago

Can 3 times the sum of r and d squared minus 2 times the sum of r and d squaredbe simplified

ohaa [14]

Yes You Can Add On 3 Twice Which Is 10

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3 years ago

Read 2 more answers

Please help I'll mark brainliest

Anon25 [30]

Answer:

Step-by-step explanation:

Add up all the numbers and then divide by how many numbers there are.

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2 years ago