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horrorfan [7]
3 years ago
8

-2^2-3(-2)+1 evaluate the polynoimal

Mathematics
2 answers:
Phoenix [80]3 years ago
4 0

We must follow order of operations rules (PEMDAS) here: exponentiation first, followed by multiplication and division, followed by addition and subtraction.

Thus, -2^2-3(-2)+1 becomes:

-[4] + 6 + 1 = 2 + 1 = 3 (answer)

katrin [286]3 years ago
3 0
Your answer must be 3
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4) The area of a piece of pie in the shape of a sector is 7.1 in. The angle of the sector is 40°. Find the diameter of
elixir [45]

Answer:

Step-by-step explanation:

Area of sector = angle/360 * pi * r^2

7.1 = 40/360 * 22/7 * r^2

7.1 = 1/9 * 22/7 * r^2

63.9 = 22r^2/7

r^2 = (7 * 63.9)/22

r^2 = 20.331818181818

r = square root of 20.331818181818

r = 4.51

d = r * 2 = 4.51 * 2 = 9.02

4 0
3 years ago
An apple pie uses 4 cups of apples and 3 cups of flour. An apple cobbler uses 2 cups of apples and 3 cups of flour. You have 16
Alex Ar [27]
4x+2y<=16
3x+3y<=15

2x+y<=8
x+y<=5
3x+2y->maximize profit

X   Y    profit
1   4     11
2   3     12
3   2     13
4   0     12
3   1     11
3   2     13
2   3     12
1   4     11
0   5      10

Farmer need to make 3 Apple pies and 2 apple cobblers
Farmer will use 16 cups of apples and 15 cups of flour
profit of farmer will be $13 
3 0
3 years ago
ill give brainliest n a recent survey, 3 out of every 5 students said Math is their favorite class.If 200 students were surveyed
anyanavicka [17]

Answer: <em>D. 120 students</em>

Step-by-step explanation:

<em>This is an easy solution</em>

<em>Take 300 and divide it by 5</em>

<em>300/5</em>

<em>This will result in 40</em>

<em>Now Multiply 40 by 3</em>

<em>Like so: 40x3</em>

<em>This will result in </em><em>120</em>

6 0
2 years ago
Read 2 more answers
Please help with HW. I will give brainliest.
sammy [17]

Answer:

for page 1, the answer is  y = x + 1

for page 2, the answer is linear

Step-by-step explanation:

Why is it y = x + 1?

It is y = x + 1 because if you look at the steps, all of them are reasonable for having a multiplication equation. Step 1 has a equation of 1 x 1, step 2 has an equation of 2 x 2, and  step 3 has an equation of 3 x 3. So the relationship would be adding +1 to every step and count up from 1 - 3.

--------------------------------------------------------------------------------------------------------------

Why is it linear?

It's linear cause the relationship between x and y is called a linear relationship because the points so plotted all lie on a single straight line.

5 0
3 years ago
Which graph represents the solution set of this inequality?
Alenkinab [10]

Answer:

Choice A

Step-by-step explanation:

Hopefully this helps!

7 0
2 years ago
Read 2 more answers
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