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2 years ago

The sum of two numbers is 20.The difference is 4 what are the numbers?

Mathematics

1 answer:

Alex17521 [72]2 years ago

4 0

The sum of two numbers is 20 and their difference is 4. Which is the greater of the two numbers? The answer is 12.

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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

b = 70

c = 20

d = 70

e = 110

5. a = 90

b = 90

c = 42

d = 48

e = 132

6. a = 70

b = 55

c = 25

4 0

2 years ago

Find the slope of a line parallel to each given line

rewona [7]

Answer:

7) D

8) A

9) A

10) D

11) C

12) B

Step-by-step explanation:

6 0

2 years ago

Need some math help!!! Factor the polynomial by grouping: 12p^3 − 21 p^2 + 28p − 49

Andru [333]

Answer:

$\left(4p-7\right)\left(3p^2+7\right)$

Step-by-step explanation:

$12p^3-21p^2+28p-49$

$\left(12p^3-21p^2\right)+\left(28p-49\right)$

$7\left(4p-7\right)$

$3p^2\left(4p-7\right)$

$7\left(4p-7\right)+3p^2\left(4p-7\right)$

$\left(4p-7\right)\left(3p^2+7\right)$

8 0

2 years ago

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If two angles of a triangle are 10 degrees and 20 degrees, then the triangle is ????

Wewaii [24]

Answer:

Scalene

Step-by-step explanation:

Because all triangular angles add up to 180 degrees.

10+20=30

180-30=150

None of those angles are the same.

5 0

2 years ago

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Circumference of a 4" circle?

lesya692 [45]

Answer:

4π ≈ 12.5663706144

Step-by-step explanation:

The circumference of a circle is 2πr, or 2*pi*radius

Suppose the circle has a diameter of 4 inches. A diameter is 2x the radius, of which we are looking for, therefore:

4÷2=2 inches (radius length)

Now that we have the radius, let us substitute to find the circumference:

2πr=

2π2=

4π≈

12.5663706144

I hope this helped! Let me know if you have any further questions :)

7 0

2 years ago

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