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sweet-ann [11.9K]
2 years ago
12

(9x−4)−(2x−7) simplified

Mathematics
2 answers:
Andrej [43]2 years ago
8 0

Answer:

7x-11

Step-by-step explanation:

9 x  -  4  −  2 x  -  7

Next, group like terms:

9 x −  2 x  −  4  −  7

Now, combine like terms:

( 9 − 2 ) x + ( − 4 − 7 )

7 x +( − 11 )

7 x − 11

Ainat [17]2 years ago
4 0

Answer:7x+3

Step-by-step explanation:

(9x-4)-(2x-7)

Open brackets

9x-4-2x+7

Collect like terms

9x-2x-4+7

7x+3

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Answer:

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jonny [76]

Answer:

C.

Step-by-step explanation:

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q(x)=cos(x) is an even function since cos(-x)=cos(x).

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Let's check.  To check we have to plug in (-x) in place of (x) and see if we get the same function back since we are looking for an even function.

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Replace (x) with (-x):

f(-x)=\cos(\frac{5\pi}{4}(-x)

f(-x)=\cos(\frac{-5\pi}{4}x)

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7 0
3 years ago
Question 3 (1 point)
sertanlavr [38]

Answer:

d: 15 units squared

Step-by-step explanation:

The area of a triangle is \frac{b*h}{2}:

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Answer:

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Step-by-step explanation:

You have to divide the two numbers, which are 2 and 52

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