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3 years ago

Which answer choice correctly lists equivalent forms of the same number?

Mathematics

1 answer:

hram777 [196]3 years ago

7 0

Answer: B
Explanation:

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What is the value of x when -3x + 7x = -12? A) -3 B) -6/5 C) 3 D)4/7

oksano4ka [1.4K]

-3x + 7x = -12

You need to add like terms.

4x = -12

Then, you need to divide both side by 4.

x = -3

So the answer is:

A) x = -3

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3 years ago

Sirgeo wants to fence in a circular portion of his backyard for a place space for his dog. Determine the area of the largest por

pickupchik [31]

Answer:

412.7 square feet

Step-by-step explanation:

A circle of circumference 72 ft will have a radius given by ...

C = 2πr

(72 ft) = 2(3.14)r

r = (72 ft)/(6.28) ≈ 11.465 ft

The area of a circle with that radius is ...

A = πr² = 3.14(11.465 ft)² ≈ 412.7 ft²

Sirgeo can enclose a circular area of about 412.7 square feet with 72 feet of fence.

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3 years ago

What is 1 & 5/7 times 2 & 3/4

VARVARA [1.3K]

The solution of $1\frac{5}{7} \times 2\frac{3}{4}$ is $\frac{33}{7} \text{ or } 4.714$

Solution:

Given that we have to find the solution of given expression

Given expression is:

$1\frac{5}{7} \times 2\frac{3}{4}$

Let us first convert the mixed fraction to improper fraction

Multiply the whole number part by the fraction's denominator.

Add that to the numerator.

Then write the result on top of the denominator.

Therefore,

$1\frac{5}{7} = \frac{1 \times 7+5}{5} = \frac{12}{5}$

$2\frac{3}{4} = \frac{2 \times 4+3}{4}=\frac{11}{4}$

Now the expression becomes,

$1\frac{5}{7} \times 2\frac{3}{4} = \frac{12}{7} \times \frac{11}{4}$

Solve and simplify the above expression

$1\frac{5}{7} \times 2\frac{3}{4} = \frac{12}{7} \times \frac{11}{4} = \frac{33}{7}\\\\1\frac{5}{7} \times 2\frac{3}{4} = \frac{33}{7}$

In decimal form we get,

$\frac{33}{7}=4.714$

Thus the solution to given expression is found

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3 years ago