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3 years ago

Tell whether the two ratios form a proportion. Explain. 25/80 and 5/16

1 answer:

3 0

Can you give me brainliest answer? 2 more for a level up!

Okay, 25/80 and 5/16.

Divide 25/80 by 5.

25/5 = 5
80/5 = 16

5/16

The other fraction is 5/16, so the ratios are proportional!

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Find the value of x.

PIT_PIT [208]

Answer:

Step-by-step explanation:

180 = 7x +2 + 7x + 2 + 180 - (17x -23)

180 = 14x +4 + 180 -17x +23

180 = -3x +207

3x = 27

x = 9

4 0

3 years ago

Simplify the expression. I NEED HELP PLEASE!!!

tatiyna

Answer:

-27/64p^3

Tell me if you want a step by step. :)

7 0

2 years ago

Write and solve an inequality for x.

maksim [4K]

x + 2 > 5

x > 3

Answer is the 2nd option

x + 2 > 5; x > 3

8 0

3 years ago

Read 2 more answers

Someone help me with this ASAP

romanna [79]

Answer:

Circumference: 18.84 cm

Area: 28.26 cm^2 (exponent 2)

Step-by-step explanation:

Circumference = 2(pi)r

The diameter is 6. Means the radius is 3 (half of 6)

pi = 3.14

2(3.14) x 3 = 18.84

Circumference is 18.84 cm.

Area of a circle = (pi)r^2

(3.14)(3)^2 = 28.26 cm^2 (exponent 2)

6 0

3 years ago

Point b is the midpoint of ac-. if ab= 4x+2 and ac=10x-6, find the length of ac

Natasha2012 [34]

let's bear in mind that B is the midpoint and thus it cuts a segment into two equal halves.

$\bf \underset{\leftarrow \qquad \textit{\large 10x-6}\qquad \to }{\boxed{A}\stackrel{4x+2}{\rule[0.35em]{10em}{0.25pt}} B\stackrel{\underline{4x+2}}{\rule[0.35em]{10em}{0.25pt}\boxed{C}}} \\\\\\ AC=AB+BC\implies 10x-6=(4x+2)+(4x+2)\implies 10x-6=8x+4 \\\\\\ 2x-6=4\implies 2x=10\implies x=\cfrac{10}{2}\implies x= 5 \\\\[-0.35em] ~\dotfill\\\\ AC=(4x+2)+(4x+2)\implies AC=[4(5)+2]+[4(5)+2] \\\\\\ AC=22+22\implies AC=44$

3 0

3 years ago