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Ivahew [28]
3 years ago
7

Plz solve ill give brainliest to the first correct answer

Mathematics
2 answers:
Anastasy [175]3 years ago
6 0

Answer:

x=-3

Step-by-step explanation:

Whitepunk [10]3 years ago
6 0

Answer:

-3

Step-by-step explanation:

......................

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The area of a rectangular wall of a barn is 192 sq. Ft. It's length is 8 ft. Longer than twice it's width. Find the length and w
Novay_Z [31]

Answer: length = 24 ft

Width = 8 ft

Step-by-step explanation:

Let L represent the length of the barn.

Let W represent the width of the barn.

The area of a rectangular wall of a barn is 192 sq. Ft. This means that

LW = 192- - - - - - - - - - - - - - -1

It's length is 8 ft longer than twice it's width. This means that

L = 2W + 8

Substituting L = 2W + 8 into equation 1, it becomes

W(2W + 8) = 192

2W² + 8W = 192

2W² + 8W - 192 = 0

Dividing through by 2, it becomes

W² + 4W - 96 = 0

W² + 12W - 8W - 96 = 0

W(W + 12) - 8(W + 12) = 0

(W - 8)(W + 12) = 0

W = 8 or W = - 12

Since the width cannot be negative, then W = 8

L = 192/W = 192/8

L = 24

6 0
3 years ago
What is the area of a sector with a central angle of 4π3 radians and a diameter of 7.3
julsineya [31]
The answer in terms of pi would be 13.3225pi. And the full answer would be 41.83265.
5 0
3 years ago
The estimated difference between two numbers is 60. Find two numbers that when rounded to the nearest ten, have a difference of
Verdich [7]

Answer:

128 and 74.

Step-by-step explanation:

128 rounded to the nearest ten is 130, and 74 rounded to the nearest ten is 70. 130-70=60

7 0
3 years ago
What is x in this problem
o-na [289]

Answer:

total \: angle \: for \: a \: triangle = 180 \\ then \:  \\ 3x + 11 + 9x - 16 + 7x - 5 = 180 \\ 19x - 10 = 180 \\ 19x = 180 + 10 \\ 19x = 190 \\ x =  \frac{190}{19}  = 10 \\ thank \: yo

6 0
3 years ago
Read 2 more answers
Add 34+(−212) using the number line. Select the location on the number line to plot the sum.
Korvikt [17]

Answer:

Answer is explained below in the explanation section.

Step-by-step explanation:

Solution:

For this question, we need to have a number line, we can not make the number line here. As it will be very long. Instead, I have attached a number line from -11 to +11 for your understanding and explained it below. Please refer to the attachment below for the number line.

Number Line:

A number line is a line which contains all the numbers from negative infinity to positive infinity divided by a single number zero. It has two sides, left hand side and right hand side. A side left to zero contains all the negative numbers and a side right to 0 contains, all the positive numbers.

So,

We are asked to add 34 in (-212), we will get 178 but with the negative sign, and it will lie on the left hand side of the number line.

SO,

34 + (-212) = 34 - 212 = -178

Hence,

Our sum which is 178 will lie on the left hand side of the number line.

4 0
3 years ago
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