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Gre4nikov [31]
3 years ago
13

Solve the inequality for x. 7x > 42​

Mathematics
1 answer:
Musya8 [376]3 years ago
7 0

Answer: x > 6

Step-by-step explanation: Since <em>x</em> is being multiplied by 7,

we divide by 7 on both sides of the inequality to get x > 6.

Now you should write your answer in set notation.

So we have {x: x > 6} which means that

any number greater than 6 is a solution.

You might be interested in
Which of these points are on a line that has a slope of -3?
Ira Lisetskai [31]
Simple....

using the formula \frac{ y_{1}- y_{2}  }{ x_{1}- x_{2}  } to find slope....

1.)  (9,2)(4,3)

\frac{2-3}{9-4}= -\frac{1}{5} (No)

2.)  (9,2)(3,4)

\frac{2-4}{9-3} = -\frac{2}{6} =- \frac{1}{3} (No)

3.)  (2,9)(3,4)

\frac{9-4}{2-3} = \frac{5}{-1} =-5 (No)

4.)  (2,9)(4,3)

\frac{9-3}{2-4} = \frac{6}{-2} =-3 (YES!)

Thus, your answer.
3 0
3 years ago
75% of something = 342<br>Need answer quick
Ostrovityanka [42]
The answer is 456

This the answer 456
8 0
3 years ago
PLZ HELP QUICK WILL MARK BRAINLIEST
natima [27]

Answer:

Step-by-step explanation:

12.

the formula for the volume of a cone is V=1/3hπr²

549.5 = 1/3(21)(3.14)(x)^2

549.5 = 7(3.14)(x)^2

549.5 = 21.98(x)^2

549.5 = 21.98(x)^2

divide by 21.98 on both sides

25 = (x)^2

sqrt 25 = sqrt x^2

5 = x

13.

the formula for the volume of a sphere is V=4/3πr^3

v=4/3(3.14)9^3

v=4/3(3.14)729

v=(4.186)729

v=3052.08

14.

the formula for the volume of a sphere is V=4/3πr^3

523=4/3(3.14)r^3

523=4/3(3.14)r^3

523=(4.186)r^3

divide by 4.186 on both sides

124.92=r^3

cube root on both sides

4.998=r

round

5=r

<em><u>Please mark brainliest this took me a while</u></em>

7 0
2 years ago
a figure was rotated around a vertical line segment resulting in the object below. which of the figues was rotated
oksano4ka [1.4K]

Answer:

A

Step-by-step explanation:

7 0
3 years ago
Write an equivalent equation that does not contain fractions 2/3 x + 9 equals 3/4
AlekseyPX

Answer:

8x + 108 = 9

Step-by-step explanation:

Given

\frac{2}{3} x + 9 = \frac{3}{4}

Multiply through by the lowest common multiple of 3 and 4, that is 12 to clear the fractions.

8x + 108 = 9 ← equivalent equation with no fractions

6 0
3 years ago
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