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katovenus [111]
4 years ago
13

(7x + 30) and 11x I'm not sure what and is...is it adding or an equal sign?

Mathematics
1 answer:
sveticcg [70]4 years ago
3 0

for equal sign

(7x+30)=11x

30=11x-7x

30=4x

30/4=x

7.5=x

for plus sign

<u>evalute</u>

(7x+30)+11x

7x+11x+30

18x+30

factorize

(7x+30)+11x

18x+30

6(3x+5)

hope it help yuh..

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A train traveled 150 miles in 1 1/4 hours. At this rate, how far will the train travel after 5 hours? Pls help :)
Volgvan

Answer:

600 Miles

Step-by-step explanation:

150/1.25=x/5

Cross multiply:

1.25x=750

x=600 miles

5 0
3 years ago
Vanessa’s fish tank is 2 yards long 23 inches wide by 4 feet tall.What is the volume of Vanessa’s tank in cubic inches
zlopas [31]

Answer:

I believe the answer is 184.

Step-by-step explanation:

When finding the Volume and the question has 2/3 key words, (length, width height) , it usually means you solve the question by multiplying everything together. (2 x 23 x 4) = 184.

4 0
3 years ago
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When 0.5(20x – 50y + 36) – 0.25(–100x + 40y – 12) is simplified, what is the resulting expression?
stiks02 [169]

Answer:

<h2>35x - 35y + 21</h2>

solution,

0.5(20x - 50y + 36) - 0.25( - 100x + 40y - 12) \\  = 10x - 25y + 18  + 25x - 10y + 3 \\

Combine the like terms:

= 10x + 25x - 25y - 10y + 18 + 3 \\

Simplify:

35x - 35y + 21

Hope this helps...

Good luck on your assignment...

6 0
3 years ago
How do the perimeters of the triangles compare? Original: height-18, slant-30, length-24 Scaled: height-6, slant-10, length-8 A)
SVEN [57.7K]

Answer:

D) the scaled triangles perimeter is 1/3 the size of the original triangles perimeter

Step-by-step explanation:

Given

Original:

Height = 18, Slant = 30, Length =24

Scaled:

Height =6, Slant=10, Length=8

Looking at the dimension of both triangles, The relationship between the original and the scaled copy is:

Scaled = \frac{1}{3} * Original

Hence, the perimeter is:

Perimeter (Scaled) = \frac{1}{3} * Perimeter (Original)

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3 years ago
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likely

Step-by-step explanation:

because you can tell its in the 1-12

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