3 years ago

Need help smart people

Mathematics

1 answer:

Serhud [2]3 years ago

7 0

1 1/4, 1 2/4, 1 3/4, 2 1/4, 2 2/4, 2 3/4

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Answer the question.thank you

dlinn [17]

Answer:

Perimeter of Triangle: $6x+15$

$x=12.5$

Step-by-step explanation:

The perimeter is the sum of all of the sides of the triangle.

Hence, the perimeter $=3x+3x+15=6x+15$

Since the perimeter is 90, $6x+15=90$ .

Subtract 15 from both sides:

$6x+15-15=90-15$

$6x=75$

Divide both sides by 6:

$\frac{6x}{6}=\frac{75}{6}$

$x=12.5$

4 0

3 years ago

Nine times the sum of 8 and the some number of 117

Delicious77 [7]

Is it 8+117=125x9=1125

3 0

3 years ago

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Emily needs enough Fabric for 3 1/2 hats. Since she has half a hat done. If each bag requires 1 2/7 ft of Fabric, how much fabri

kow [346]

first off let's convert the mixed fractions to improper fractions.

$\stackrel{mixed}{3\frac{1}{2}}\implies \cfrac{3\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{7}{2}} ~\hfill \stackrel{mixed}{1\frac{2}{7}}\implies \cfrac{1\cdot 7+2}{7}\implies \stackrel{improper}{\cfrac{9}{7}}$

she already did half a hat, so we can say $\cfrac{7}{2}-\cfrac{1}{2}\implies \cfrac{7-1}{2}\implies 3$

so she only needs enough fabric to make 3 more full hats, we know each one uses 9/7 ft, so

$3\cdot \cfrac{9}{7}\implies \cfrac{27}{7}\implies 3\frac{6}{7}$

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2 years ago

What is the answer? I am so lost- thanks for any help given.

aev [14]

Answer:

i think that the answer is 13 meters

Step-by-step explanation:

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3 years ago

Determine the equation of a circle with a center at (–4, 0) that passes through the point (–2, 1) by following the steps below.

Nikitich [7]

Answer:

C. (x + 4)² + y² = 5

Step-by-step explanation:

i just did it

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2 years ago

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