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IgorC [24]
2 years ago
11

Evaluate the expression when a =7 and y=-3. y-9a

Mathematics
2 answers:
11111nata11111 [884]2 years ago
8 0

Answer:

-6

Step-by-step explanation:

Gnom [1K]2 years ago
6 0
The right answer is -6
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Which of the following is the difference of two squares
Roman55 [17]

Answer:

2nd option

Step-by-step explanation:

A difference of squares has the general form

a² - b²

where the terms on either side of the subtraction ( the difference ) are both perfect squares.

The only one fitting this description is

16a² - 4y²

= (4a)² - (2y)² ← difference of squares

7 0
2 years ago
I need to know how to make the equations
Bogdan [553]
Asked and answered elsewhere.
brainly.com/question/9016540
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3 years ago
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zubka84 [21]

Answer:

Equation: 3x - 11 = 85

Solution: x = 32

Step-by-step explanation:

3x - 11 = 85

You will have to do the opposite to the equation shown on the screen.

3x = 96 (85 + 11)

x = 32 (96 / 3)

3 0
1 year ago
Terrisita sang for 2 hours. Then she went swimming for 3 hours.
Levart [38]

Answer:

3 plus 2 is 5 so the answer is 5 hours

3 0
3 years ago
Find the coordinates of the midpoint between (–2, -4) and (4, –4).
mrs_skeptik [129]

Answer:

Step-by-step explanation:

Using mid point formula

Mid point = ((x1+x2)/2 , (y1+y2)/2)

= (2/2,-8/2)

=( 1, -4)

6 0
3 years ago
Read 2 more answers
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