Simplify: (–4) • (9) – (5) • (–2) A)2 B)–36 C)–26 D)82

Mathematics

1 answer:

lapo4ka [179]2 years ago

7 0

Using the correct order of operations, your equation would simplify as:
-36 - 10 = -26

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liraira [26]

Answer:

615.75216 ft

Step-by-step explanation:

diameterd=2r

d=2×14

d=28

circumferenceC=2πr

C=2×π×14

C=28π

C=87.9645943

areaA=πr2

A=π×142

A=196π

A=615.75216

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2 years ago

Make up this problem yourself 3 divided by 1/2

Helen [10]

Answer:

3 : (1/2) = $\frac{6}{1} =6$

Step-by-step explanation:

Divide: 3 : $\frac{1}{2} =\frac{3}{1} *\frac{2}{1} =\frac{3 * 2}{1*1} =\frac{6}{1} =6$

Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of $\frac{1}{2}$ is $\frac{2}{1}$ ) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators.