3 years ago

True or false?

Mathematics

1 answer:

Firdavs [7]3 years ago

8 0

Answer:

Step-by-step explanation:

brainliest pls

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Twice a number added to half of itself equals 24. Find the number.

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Answer:

12+12

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3 years ago

A circle with circumference 6 has an arc with a 20 central angle,<br> What is the length of the arc?

nirvana33 [79]

Answer:

0.3 units

Step-by-step explanation:

The ratio of the length of the arc to the circumference of the circle is proportional to the ratio of the central angle to the sum of angle in a circle.

$\frac{l}{6}=\frac{20}{360}$

This implies that:

$l=\frac{20}{360}*6$

This simplifies to: $l=\frac{20}{60}$

$l=\frac{1}{3}=0.3 units$

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3 years ago

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What is the value for Z

alukav5142 [94]

Answer: z = 28 degrees

Step-by-step explanation:

Since this is an isosceles triangle, two of the angles are congruent.

180 - 124 = 56

56/2 = 28

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3 years ago

Explain the step in subtracting the polynomials below. <br><br> (7x3− x − 5) − (3x3+ 5x -1).

Crazy boy [7]

Answer:

It subtracts

Step-by-step explanation:

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Maddy made $22.50 for babysitting for 5 hours for her aunt. Maddy was paid $21.00 for 3.5 hours of babysitting for her neighbor.

Greeley [361]

Answer:Her Aunt paid her 4.50 and hour and her neighbor 6 an hour. The difference is 1.5

Step-by-step explanation:

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