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lozanna [386]
2 years ago
5

What is the answer for b?

Mathematics
1 answer:
-BARSIC- [3]2 years ago
8 0
6hx using the commutative property.
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Evaluate 3x2 - 4 when χ= 2.<br> Α. 2<br> Ο Ο Ο<br> Ο Β. 8<br> C. 12<br> Ο D. 32
solniwko [45]

Answer:

D. 32.

Step-by-step explanation:

3x^2 - 4\\= 3^2 * 2\\= 6^2 - 4\\= 36 - 4\\= 32.

hope this helps.

3 0
2 years ago
In a survey of 368 people, 81 drink milk straight from the milk carton. For the sample, find the sample proportion, the margin o
barxatty [35]
The best answer is C.
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3 years ago
(2x + 3) (2x2 – 2+4)
nadya68 [22]

Answer:

(2x + 3) (2(2)x2 – 2+4)

Step-by-step explanation:

thats what i got hope it helps :)

5 0
3 years ago
Read 2 more answers
Write an equation of the line that passes through the points (-9, 4) and (-10,8) in
MrRissso [65]

Answer:

y = -4x - 32

Step-by-step explanation:

First, find the slope using rise over run (y2 - y1) / (x2 - x1)

Plug in the points:

(y2 - y1) / (x2 - x1)

(8 - 4) / (-10 + 9)

4 / -1

= -4

So, the slope is -4. Plug in the slope and a point into y = mx + b, and solve for b:

y = mx + b

4 = -4(-9) + b

4 = 36 + b

-32 = b

Then, plug in the slope and y intercept into y = mx + b

y = -4x - 32 is the equation of the line

4 0
2 years ago
Read 2 more answers
Solve for f. 2+1.25f=10-2.75f
Harrizon [31]
f = 2

Simplify both sides of the equation <span><span>1.25f</span>+2</span>=<span><span>−<span>2.75f</span></span>+<span>10

Add 2.75 to each side </span></span><span><span>4f</span>+2</span>=<span>10

Subtract 2 from both sides </span><span>4f</span>=<span>8

Divide each side by 4 </span>f=<span>2</span>
<span>


</span>
8 0
2 years ago
Read 2 more answers
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