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oksian1 [2.3K]
4 years ago
11

Find the value of x

Mathematics
1 answer:
baherus [9]4 years ago
7 0

Answer:

  x = 13

Step-by-step explanation:

The sum of angles in a quadrilateral is 360°, so you have ...

  75° + 6x° + 90° +9x° = 360°

  15x +165 = 360 . . . . . collect terms, divide by °

  x + 11 = 24 . . . . . . . . . divide by the coefficient of x

  x = 13 . . . . . . . . . . . . . subtract 11

_____

<em>Check</em>

6x° = 78°

9x° = 117°

75° + 78° +90° +117° = 360° . . . . as required.

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3 years ago
The price for 7 lb of potatoes is $5 what is the price per pound.​
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Can someone help me with this question please?
Kaylis [27]

Answer:

-2,-1,0,1

Step-by-step explanation:

-5 ≤x≤1   and 1 ≤x+3<8

For the first statement

-5 ≤x≤1

The integers are -5,-4,-3,-2,-1,0,1

For the second

1 ≤x+3<8

Subtract 3 from all sides

1-3 ≤x+3-3<8-3

-2 ≤x<5

The integers are

-2,-1,0,1,2,3,4  ( does not include 5 since there is no equal)

There is an and between the statements so it has to be in both

-5,-4,-3,-2,-1,0,1

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The numbers in both are

-2,-1,0,1

4 0
4 years ago
Find the height of a cone with a diamater of 12m whose value is 151 meters cubed, then round it to the nearest meter
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Answer:

Height= 4m (nearest meter)

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151 = 12\pi h

h =  \frac{151}{12\pi}

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Thus, the height of the cone is 4m. (nearest meter)

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3 years ago
How to solve ( 3 × n ) + 4 = 32 ÷ 2
Bas_tet [7]
(3 * n) +4 = 16
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3 years ago
Read 2 more answers
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