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elena55 [62]
3 years ago
12

What is the answer???

Mathematics
2 answers:
tamaranim1 [39]3 years ago
4 0
-18 = 4x + 2
-20 = 4x
-5 = x

Hope this helps :)
Zanzabum3 years ago
4 0
The first step to solving this is to move the variable to the left side of the equation and change its sign
-4x - 18 = 2
now youll need to move the constant to the right side of the equation and change its sign
-4x = 2 + 18
next,, add the numbers
-4x = 20 
and then divide both sides of the equation by -4
x = -5
the correct answer to your question is x = -5
let me know if you have any further questions
:)
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If a 4 x 16 rectangle has the same area as a square, what is the length of a side of the square?
Licemer1 [7]

Answer:

Option D. 8 units

Step-by-step explanation:

step 1

Find the area of rectangle

The area of rectangle is

A=(4)(16)=64\ units^2

step 2

Find the length side of the square with the same area of rectangle

The area of a square is

A=b^2

where

b is the length side of the square

we have

A=64\ units^2

substitute

64=b^2

take the square root both sides

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therefore

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7 0
4 years ago
Machine A produces 75 fishing lures per minute. Machine B produces 50 of the same lure per minute. How long will it take both ma
geniusboy [140]

Machine A will take 28 minutes to produce 2100 fishing lures while machine B will take 42 minutes to produce 2100 fishing lures

Step-by-step explanation:

Fishing lures per minute produced by Machine A = 75

Fishing lures per minute produced by Machine B = 50

How long will it take both machines running to produce 2100 fishing lures?

Solving For Machine A:

75 fishing lures produced by machine A = 1 minute

1 fishing lures produced by machine A = 1/75 minute

2100 fishing lures produced by machine A = 1/75*2100

                                                                       = 28 minutes.

Solving For Machine B:

50 fishing lures produced by machine A = 1 minute

1 fishing lures produced by machine A = 1/50 minute

2100 fishing lures produced by machine A = 1/50*2100

                                                                       = 42 minutes.

So, Machine A will take 28 minutes to produce 2100 fishing lures while machine B will take 42 minutes to produce 2100 fishing lures

Keywords: Word Problems:

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7 0
3 years ago
Estimate the square root of 78
Furkat [3]

Answer:

8.83176

Step-by-step explanation:

The square root of 78 is 8.83176, or 8.832 (rounded to the nearest thousandth).

5 0
3 years ago
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The school librarian has $100 to spend on some books for the school. She wants to order many copies of the same book so an entir
Alenkasestr [34]
She will get 23 books.
So, first, you take the shipping away to get $93.05, 
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3 years ago
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HELP ASAP!!!!
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Answer:

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Step-by-step explanation:

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