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BlackZzzverrR [31]
3 years ago
12

153 is 90% of what number

Mathematics
2 answers:
Inga [223]3 years ago
5 0
137.7
153x0.9=137.7
or
153x0.1=15.3
15.3x9=137.7
swat323 years ago
4 0
The answer should be 137.7
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Mrrafil [7]
10x(3x^2)
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7 0
3 years ago
There are a total of 15 dimes and quarters in a covered cup. The value of all 15 coins totals 2.85
QveST [7]

Answer:

There are 6 dimes and 9 quarters.

Step-by-step explanation:

Represent the number of dimes and the number of quarters by d and q.

Then d + q = 15, or q = 15 - d.

Also, ($0.25)q + ($0.10)d = $2.85, or 5q + 2d = 57.

Substituding 15 - d for q, we get 5(15 - d) + 2d = 57, or

75 - 5d + 2d = 57, or

75 - 3d = 57, or

3d = 18.  Thus, there are 6 dimes.  Since q = 15 - d, q = 15 - 6 = 9.

There are 6 dimes and 9 quarters.

6 0
3 years ago
It cost $5000 to feed
Mariulka [41]

Answer:

Okays so for 100 guests we can make the equation $5000 ÷ 100 = $50.00

For 100 guests at the wedding it would cost <u>$50.00</u> per plate

For 45 guests we can make the equation $2750 ÷ 45 = $61.111111111111, it would be a repeating decimal

For 45 guests at the wedding, it would cost <u>$61.111111111111</u>

I hope that this can help you! ^‿^

5 0
3 years ago
G(x)=− 4 x 2 ​ +7g, left parenthesis, x, right parenthesis, equals, minus, start fraction, x, start superscript, 2, end superscr
steposvetlana [31]
For this case, what we should do is evaluate the function for different points within the range shown.
 We then have the following table:
 x      g(x) 
 -2    -9
 -1     3
  0     7
  1     3
  2    -9
  3    -29
  4    -57
 From where we observed that the average rate of change is:
 -13
 Answer:
 
the average rate of change of g over the interval [-2,4] is:
 
-13
4 0
3 years ago
Find the value of x for the right triangle. <br><br><br><br><br>trigonometric ​
damaskus [11]

Here's the solution,

The given triangle is a right angled triangle,

So, by Using Trigonometry :

=》

\sin(30)  =  \dfrac{x}{13}

=》

\dfrac{1}{2}  =  \dfrac{x}{13}

=》

x =  \dfrac{13}{2}

=》

x = 6.5

hence, value of x = 6.5 units

8 0
2 years ago
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