3 years ago

8. What is the greatest common factor of 42 and 70?

Mathematics

2 answers:

love history [14]3 years ago

7 0

Answer:

The answer is 14

Step-by-step explanation:

ikadub [295]3 years ago

3 0

Answer:

Step-by-step explanation:

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There are 40 girls and 32 boys who want to participate in the relay race. If each team must have the same number of girls and bo

Oksi-84 [34.3K]

8 is the largest number that goes into both 32 and 40.

40/8 = 5
32/8 = 4

so there can be 8 teams, each consisting of 5 girls and 4 boys

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3 years ago

A triangle includes one angle that 72º. Which pair could be the measures of the other two angles of the triangle?

Paha777 [63]

Answer: C. 53º, 55º

Step-by-step explanation:

1. By definition, the sum of the interior angles of a triangle is 180 degrees.

2. Keeping this on mind, you have:

$180\°-72\°=108\°$

As you can see, the sum of the other two angles must be 108 degrees, then, let's add the angles given in each option:

A. 9°+9°=18

B. 26°+46°=72°

C. 53°+55°=108°

D. 72°+108°=180°

3. Therefore, the answer is the option C.

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3 years ago

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What is the equation for the line?

Dima020 [189]

Answer:

y=8x

Step-by-step explanation:

y=mx+b

m=-16/-2=8

b=0

y=8x

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3 years ago

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Using the numbers 8, 6, 4, and 2 write an expression that equals 32.

Dennis_Churaev [7]

One way can be 8x(6-4+2).

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3 years ago

Which choice is equivalent to the quotient shown here when x is greater than or equal to 0?

Dima020 [189]

Answer: OPTION C

Step-by-step explanation:

Remember that:

$\sqrt[n]{a^n}=a$

And the Product of powers property establishes that:

$a^m*a^n=a^{(mn)}$

Rewrite the expression:

$\frac{\sqrt{18x} }{\sqrt{32} }$

Descompose 18 and 32 into their prime factors:

$18=2*3*3=2*3^2\\32=2*2*2*2*2=2^5=2^4*2$

Substitute into the expression, then:

$\frac{\sqrt{(2*3^2)x} }{\sqrt{2^4*2} }$

Finally,simplifying, you get:

$\frac{3\sqrt{(2)x} }{2^2\sqrt{2} }=\frac{3\sqrt{2x}}{4\sqrt{2}}=\frac{(3)(\sqrt{x})(\sqrt{2})}{(4)(\sqrt{2})}= \frac{3\sqrt{x}}{4}$

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3 years ago