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4 years ago

Help me with this ASAP PLEASE!!!❤️

Mathematics

1 answer:

DaniilM [7]4 years ago

7 0

The third one its already in order

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Will suck toes for correct answer!!!- Indian scammer man*heart emoji* *cat emoji* parallel and perpendicular equations!!

kari74 [83]

Answer:

y = $\frac{3}{7}$ x + 1

Step-by-step explanation:

If AB ⊥ CD , then ( $m_{AB}$ ) ( $m_{CD}$ ) = - 1

y = - $\frac{7}{3}$ x + 3

y - ( - 4) = $\frac{3}{7}$ ( x - 7) ⇔ y =  $\frac{3}{7}$  x + 1 

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3 years ago

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An architect finds some unlabeled dimensions on a blueprint, and no scale is shown. A 14-foot wall that has already been built m

Marianna [84]

Answer:

Option (C)

The new wall will be 42 foot long

Explanation:

Given a 14-foot wall in reality equals 2 inches in drawing

And a new wall has to be built that measures 6 inches in the drawing

According to the question

2 inches (in drawing) = 14-foot (in reality)

6-inces (in drawing) = $\frac{(14\times6)}{2}$ = 42 foot

Therefore, the wall that measures 6 inches in the drawing will be 42 foot long in reality

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4 years ago

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The population of a small town was 10,800 in 2002. Since then the population has decreased at a rate of 2.5% each year. Write an

lozanna [386]

Answer:

See below

Step-by-step explanation:

A 2.5 % decrease means 97.5 % remains (.975)

population = 10800 ( .975) ^n where n = years past 2002

in 2020 n = 18

10800 (.975)^18 = 6847 people

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2 years ago

If the circumference of a circle is increased by 50%, then its area will be increased by (a) 100% (b) 125% (c) 150% (d) 75%

Svetradugi [14.3K]

Answer:

Hi, There!

Option B 125% Is the Most Accurate Answer

Step-by-step explanation:

Circumference is the distance around a plane shape. So, it also measures length.

Length and area of two similar shapes are related by the formula

$\frac{A_{1} }{A_{2} } =(_{} \frac{I_{1} }{I_{2\\ ^{~2~} }}$

Where the A in both cases represents area and the L represents length. But here the Ls will represent circumference.

Since the circumference of the circle increased by 50%, then the new circumference becomes

$l_{2} = l_{1} + 0.5l_{1} =1.5l_{1}$

Now subtracting from the original area then

$2.25 - 1=1.25$

This means that the area was increased by 1.25, which means 125%

Hence option B is the correct answer

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3 years ago

You can choose from the following 15, 16, 24, -88, 75, -62, 151, 88, 1, 30, -5 Also thank you in advance I don't know why I don'

saveliy_v [14]

Answer:

-88

Step-by-step explanation:

whoever deleted my answer thanks a lot

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3 years ago

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