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Lilit [14]
3 years ago
12

Thank you plz help hurry

Mathematics
1 answer:
dolphi86 [110]3 years ago
7 0

Answer:

Times 30 with every time

Step-by-step explanation:

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What is the simplest form of this expression?<br> 4(y + 2) - 2
Semenov [28]
The simplest form is 4y+6?


you distribute the 4 to everything in the parentheses and then combine like terms so you would combine the 8 and -2
6 0
3 years ago
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The figures are similar. Give the ratio of the perimeters and the ratio of the areas of the first figure to the second.
pickupchik [31]

Answer: first option.

Step-by-step explanation:

The ratio of the area of the triangles can be calculated as following:

ratio_{(area)}=(\frac{l_1}{l_2})^2

Where l_1 is the lenght of the given side of the smaller triangle and l_2 is the lenght of the given side of the larger triangle.

Therefore:

ratio_{(area)}=(\frac{28}{32})^2=\frac{49}{64}

It can be written as following:

ratio_{(area)}=49:64

The ratio of the perimeter is:

ratio_{(perimeter)}=\frac{l_1}{l_2}

Where l_1 is the lenght of the given side of the smaller triangle and l_2 is the lenght of the given side of the larger triangle.

Therefore:

ratio_{(perimeter)}=\frac{28}{32}=\frac{7}{8}

It can be written as following:

ratio_{(perimeter)}=7:8

5 0
3 years ago
X-3/4 = 2x-9/7<br><br> Please answer it I’ll mark your answer as BRAINLIEST
lidiya [134]
<h3><u>Answer</u> :</h3>

:\implies\sf\:x-\dfrac{3}{4}=2x-\dfrac{9}{7}

:\implies\sf\:\dfrac{9}{7}-\dfrac{3}{4}=2x-x

:\implies\sf\:\dfrac{36-21}{28}=x

:\implies\boxed{\bf{\red{x=\dfrac{15}{28}}}}

7 0
3 years ago
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HLEPPPPPP!!!!!
Ksenya-84 [330]

Answer:

Solutions:-5,0,9,6

Not solutions: 12.5,10

Explanation:

The inequality that was given is:

20 > 5 + 3x

First, group similar terms;

20 - 5 < 3x

15 < 3x

x = 5

Thus, the solutions are:-3.5, 5, 4 3/4, -15

The not solutions are:-10 2/3, 129,

Hope this helps! :)

7 0
3 years ago
Which is equivalent to ?
Rzqust [24]

I do not see an illustration.

8 0
3 years ago
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