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Anika [276]
3 years ago
12

Can someone help me with this ?

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
7 0

Answer:

50

Step-by-step explanation:

12x + 15 = 5x +  85   {Subtract 15 from both sides}

12x + 15 - 15 = 5x + 85 - 15  

          12x = 5x + 70        {Subtract 5x from both sides}

12x - 5x   = 70

         7x = 70         {Divide both sides by 7}

          x = 70/7

x = 10

∠U = 5x = 5*10 = 50

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Sixty percent of the runners who ran the marathon finished the race. If fifteen runners finished, then how many runners ran in t
ZanzabumX [31]

Let they be x

\\ \rm\Rrightarrow 60\%\: of\:x=15

\\ \rm\Rrightarrow \dfrac{3}{5}x=15

\\ \rm\Rrightarrow x=15\times \dfrac{5}{3}

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\\ \rm\Rrightarrow x=25

4 0
2 years ago
For each graph, write the equation of the given translation
jasenka [17]

Answer:

Step-by-step explanation:

if you modify the parent function to go <u>up and down</u>

for example parent function is y=|x| to go <u>down</u> 3 you do y=|x|-3

if you modify the parent function to go <u>left  and right</u>

for example parent function is y=|x| to go <u>right </u>3 you do y=|x-3|

a.goes down 3, and 2 to the right

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b. 3 down and 1 to the left

y=(x+1)²-3

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6 0
3 years ago
6 x 10 5 is how many times the value of 3 x 10 (Hint: Write your answer in standard form.)​
JulijaS [17]

Answer:

0.000036

Explanation:

When multiplying a number by 10 to the power of a positive exponent (e.g.  

10

3

), move the decimal in the number that many spaces to the right (e.g.  

4.5

⋅

10

3

=

4500

).

When multiplying a number by 10 to the power of a negative exponent (e.g.  

10

−

4

), move the decimal in the number (the absolute value of) that many spaces to the left (e.g.  

4.5

⋅

10

−

4

=

0.00045

).

For  

3.6

⋅

10

−

5

, move the decimal five spaces to the left:

0.000036

Step-by-step explanation:

5 0
3 years ago
I need help "quick
Ivahew [28]
A is the correct choose.could you make me brainlets answer please
3 0
3 years ago
1% of what number is 7?<br><br> WILL GIVE BRAINIEST TO FASTEST AND CORRECT ANSWER WITH WORK SHOWN!
Tpy6a [65]

Answer:

1%=0.07

Step-by-step explanation:

Im going to assume the question says what is 1% of 7.

so 100%=7

divide my 10 to get to 10%

10%=0.7

do the same thing.

1%=0.07

you just go backwards when dividing by 10.

8 0
3 years ago
Read 2 more answers
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