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Agata [3.3K]
3 years ago
10

Solve this inequality.7x + 2 > 30A.x 224B.x > 196C.x 4D.x > 3​

Mathematics
2 answers:
Masteriza [31]3 years ago
7 0

Answer:

it is c

Step-by-step explanation:

Oliga [24]3 years ago
6 0

Answer:

x > 4

Step-by-step explanation:

7x + 2 > 30

Subtract 2 from each side

7x + 2-2 > 30-2

7x > 28

Divide each side by 7

7x/7 > 28/7

x > 4

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MA_775_DIABLO [31]

Answer:

7

Step-by-step explanation:

\frac{7^{-1}}{7^{-2}}

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7

I used the following rules:

\frac{a^m}{a^n}=a^{m-n}

a^1=a

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6 0
3 years ago
A flagpole stands in the middle of a flat, level field. 50 feet away from its base, a surveyor measures the angle to the top of
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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
One alloy is 2 parts iron to 3 parts silver and another alloy is 7 parts iron to 3 parts silver. How much of each should be comb
Shalnov [3]
Let x be your first alloy
2/5x+7/10(30-x)=1/2(30)
4x+210-7x=150
3x=60
x=20
So, you need 20 lbs of the first alloy, and 10 parts of the second to make 30 lbs of half iron and half silver alloy!
8 0
3 years ago
What is the slope of the line that contains the point (-1,8) and (5,-4) answer.com?
pshichka [43]
THE SLOPE IS -2



if we have the coordinates of two points on a line, we can find the slope with this formula:
s =  \frac{y2 - y1}{x2 -x1}  =  \frac{y1 - y2}{x1 - x2}
so the slope is
\frac{8 - ( - 4)}{ - 1 - 5}  =  \frac{12}{ - 6}  =  - 2
the answer is -2



good luck
5 0
3 years ago
Find the area of the surface. the part of the surface z = xy that lies within the cylinder x2 + y2 = 81
Anika [276]
Ans: The area of the surface is: 1553.081

Explanation: Please see the image attached with this answer (find attachment).

4 0
2 years ago
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