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suter [353]
3 years ago
12

Help please!!! Solve 49^ x = 7

Mathematics
2 answers:
Maru [420]3 years ago
7 0

The variable <em>x </em>is equal to 0.5

zzz [600]3 years ago
3 0
49^x=7

make bases same

{(7)^2}^x=(7)^1

(7)^2x=(7)^2

bases are same so powers are equal

2x=1
x=1/2
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What is the area of a rectangle floor that is 7’3” long and 4’2” wide
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➷ Area = length x width

Convert all the values into just inches:

7'3'' = 87 inches

4'2'' = 50 inches

Substitute these values in:

area = 87 x 50

Solve:

area = 4350 in^2

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5 0
3 years ago
Given x∥y and m∠2=23° .<br><br> What is m∠7?<br><br> Enter your answer in the box.
malfutka [58]

Answer:

angle2=23°

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angle2=angle6

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3 0
3 years ago
How do you solve 8x-7= 3x 9?
gtnhenbr [62]
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3 0
3 years ago
Help on this algebra 2 question!!!!!!
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Answer:

C.

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B = x C + 3

C = x C + 3

<em>I'm </em><em>not </em><em>really</em><em> </em><em>sure </em><em>about</em><em> </em><em>the </em><em>answer</em><em> </em><em> </em><em>but </em><em>i </em><em>hope </em><em>it </em><em>helps </em>

8 0
2 years ago
What does 5/7c=13/14 equal
natita [175]
To find c, you must isolate it.
To do this, you must divide both sides by 5/7, since that is being multiplied by c and you must do the inverse to it to cancel it out in order to leave c by itself.

5/7c ÷ 5/7 = c

13/14 ÷ 5/7
To divide fractions, follow these steps:
Step 1- Turn the second fraction, 5/7 in this case, into its reciprocal. This means swapping the places of the numerator and denominator.
5/7 reciprocal = 7/5

Step 2- multiply the original first fraction and reciprocal second fraction.
13/14 • 7/5
13 • 7 = 91
14 • 5 = 70
13/14 ÷ 5/7 = 91/70

Step 3- Simplify if possible.
91/70
Since 70 can go into 90, you can turn this into a mixed number.
1 and 21/70
Now simplify 21/70.
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So simplified, 91/70 equals 1 and 3/10.
As a decimal, this is 1.3.

So the answer is c = 1.3, or 1 and 3/10.

Hope this helps :)
8 0
3 years ago
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