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Law Incorporation [45]
3 years ago
9

4. Which of the following is a true statement?

Mathematics
2 answers:
Anna [14]3 years ago
8 0
B. Is the true statement
umka21 [38]3 years ago
3 0
Answer: B) -7(4x - 8) = -28x + 56

Step-by-Step Explanation:

=> -7(4x - 8) = -28x + 56
On opening the brackets on L.H.S,
= -28x + 56 = -28x + 56
=> L.H.S = R.H.S

Therefore this is a True Statement
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How do you find a polynomial and factor it completely?
natulia [17]

a² + 10a + 16

Find two numbers whose product equals 16 and sum equals 10:

<u>Product = 16</u>               <u>Sum = 10</u>

    1 * 16                     1 + 16 = 17      <em>doesn't work</em>

    2 * 8                     2 + 8 = 10      THIS WORKS!

    4 * 4                      4 + 4 = 8      <em>doesn't work</em>

Since 2 & 8 satisfy our requirements, those are the values that go into the parentheses.

Answer: (a + 2)(a + 8)

Note: when there is a coefficient for a², a different method is used to find the factors.

6 0
3 years ago
Brainliest if correct
statuscvo [17]

Answer:

<u>The plane is:</u>

  • MPON (or MNOP)

This is containing the bottom face of the prism

3 0
3 years ago
Read 2 more answers
What is an (x,y) coordinate for y ≤ 2x + - 4 that is part of the solution.
svp [43]

Answer:

3qr34t5y5y5e

Step-by-step explanation:

5ergreg7er8gr8g88r

5 0
3 years ago
Tina is making rectangular signs. Each poster has an area of 1800 square inches and the length is 30 inches more than the width.
Fittoniya [83]
Let the width be x. Since the length is 30inches longer than the width, the length is 30 + x.
Area = length x width = (30 + x)(x)
i.e. (30 + x)(x) = 1800 square inches.

30x +  x^{2} =1800 \\  x^{2} +30x-1800=0  \\  x^{2} -30x+60x-1800=0 \\ ( x^{2} -30x)+(60x-1800)=0 \\ x(x-30)+60(x-30)=0 \\ (x+60)(x-30)=0
x + 60 = 0 or x - 30 = 0
x = -60 or x = 30
but the width cannot be a negative number, hence x = 30inches
i.e. width = 30 inches
length = 30 + 30 = 60 inches.
4 0
3 years ago
Emmitt runs 5 miles in 40 seconds. How long will it take him to run 8 miles?
bagirrra123 [75]

Answer:

64 seconds or 1 minute and 4 seconds

40÷5= 8

8×8=64

4 0
3 years ago
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