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Vlada [557]
4 years ago
6

Ok last question for today Will mark brainliest

Mathematics
1 answer:
Pepsi [2]4 years ago
3 0

Answer:9


Step-by-step explanation:

8 * 9 = 72

8, 16, 24, 32, 40, 48, 56, 64, 72

1, 2, 3, 4, 5, 6, 7, 8, 9

You might be interested in
Complete the expressions that would make them a perfect square trinomial.
kirza4 [7]

Answer:

a) 16

b) 100

c) 64

d) \frac{81}{4}[/tex]

Step-by-step explanation:

Perfect square trinomial:

A perfect square trinomial has the following format:

(x \pm a)^2 = x^2 \pm 2ax + a^2

a.

x² – 8x

x^2 - 8x = x^2 - 2ax

So 2a = 8, a = 4. Then

a^2 = 4^2 = 16

The perfect square trinomial is x^2 - 8x + 16

b. x2 + 20x +

2a = 20, so a = 10

a^2 = 10^2 = 100

The perfect square trinomial is x^2 + 20x + 100

C.

x² – 16x +

2a = -16, so a = -8.

a^2 = (-8)^2 = 64

The perfect square trinomial is x^2 - 16x + 64

d. x2 + 9x +

2a = 9, so a = \frac{9}{2}

a^2 = (\frac{9}{2})^2 = \frac{81}{4}

The perfect square trinomial is x^2 + 9x + \frac{81}{4}[/tex]

6 0
3 years ago
HELP ME PLEASE!!!!!<br><br> PLEASE AND THANK YOU!!!!!!
Alja [10]
The first one is eight 4400-2400=2000 2000/250=8
7 0
3 years ago
If sam works for 40 hours every week and makes 610$ every week how much does he make per hour
Misha Larkins [42]

Answer:

$15.25

Step-by-step explanation:

All you have to do is divide 610 by 40

610 ÷ 40 = 15.25

Therefore, $15.25 is how much Sam makes per hour.

Hope this helps ya!

5 0
3 years ago
Convert each radian measure into degrees
faltersainse [42]

Answer:

Step-by-step explanation:

\frac{deg}{rad}=\frac{360}{2\pi }\\ \\ deg=\frac{360rad}{2\pi }\\ \\ deg=\frac{180rad}{\pi }

4 0
3 years ago
What is the solution to the system of equations?
Mrac [35]

Answer:

There is no solution.

Rewrite -2x + y = -6 so it starts with y =...

y = 2x - 6

Substitute that in 2/3x - 1/3y = -2 gives:

2/3x - 1/3*(2x -6) = -2

2/3x - 2/3x + 2 = -2

0 + 2 = -2

This statement is not true, and that means there is no solution.

8 0
3 years ago
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