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lesya692 [45]
3 years ago
11

I need help with this ASAP!

Mathematics
1 answer:
Ahat [919]3 years ago
8 0
The area of a rectangle is it's length times it's height. We are given polynomials for these values, so we can multiply them using the FOIL method to find the area.

FOIL stands for Firsts, Outers, Inners, Lasts. This means we multiply the first term of each polynomial together, the outer terms together, the inner terms together, and the last terms together.

(2x+5)(x-2)

The first terms are 2x and x, the outer terms are 2x and -2, the inner terms are 5 and x, and the last terms are 5 and -2:

2x^2 - 4x +5x - 10

Combine like terms:

2x^2 + x - 10

The third option is the correct answer.




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6 in.
asambeis [7]

Answer:

152 square inches

Step-by-step Explanation:

To answer this, please look at the picture below. We can find the area by separating and combine the value of areas after calculating three values for each areas. (Notice that when we separate them, we get three rectangles which we can use the formula of width × length)

We should get 80+48+24 which add up to 152.

In case if you are confused which parts you don't understand in these photos, you can ask in the comment.

5 0
3 years ago
Find the missing Angles
oksian1 [2.3K]

1. a = 68

b = 112

c = 68

2. a = 127

3. a = 35

b = 40

c = 35

d = 70

4. a = 20

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c = 20

d = 70

e = 110

5. a = 90

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6. a = 70

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4 0
3 years ago
Which of the following is an example of a system of three linear equations in theee variables
harkovskaia [24]

Answer:

I think option D is correct

6 0
3 years ago
Read 2 more answers
A coin is being flipped 400 times. What is the probability of it landing on heads at most 170 times, rounded to the nearest tent
lisabon 2012 [21]

Hello!

We have two probabilities we can use; we have 170/400, for our experiment, and 1/2, which is our theoretical probability.

To solve, we just multiply the two probabilities.

\frac{170}{400}(1/2)=0.2125≈21.3

Therefore, we have about a 21.3% chance of this event occurring.

I hope this helps!

8 0
3 years ago
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goldfiish [28.3K]
9 times 2.75 equals 24.75
3 0
3 years ago
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