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tankabanditka [31]
3 years ago
8

5 times a number less 7 is equal to 7 times the number plus 13. Find the number

Mathematics
2 answers:
Arturiano [62]3 years ago
7 0
7 - 5X = 7X + 13

7 = 12X + 13

-6 = 12X

-2 = X
My name is Ann [436]3 years ago
4 0
Your answer would be -10 I believe.

5x-7 = 7x+13
2x = -20
x = -10
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She need 1/12 cup of oil. A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters.

<h3>What is meant by fraction?</h3>
  • A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters.
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<h3>How to find how much cup she want?</h3>

  • She needs 1/3 cup of oil
  • She have 1/4 cup of oil

To find how much need to obtain 1/3 of cup

we need to subtract what we have from what we need.

so , we have 1/4 and need 1/3

 = 1/3 - 1/4

 = \frac{1 * 4}{3 * 4} - \frac{1 * 3}{4 * 3}

 = 1/12

she need 1/12 cup of oil more to make cake.

To Learn more about fraction refer :

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6 0
10 months ago
Help please and thank you
Blababa [14]

Answer:

<u><em>73.72 ft Squared</em></u>

Step-by-step explanation:

First you need to find the area of the rectangle the area of rectangle is 8x10=80. Then You take that 80=3.14x2. then you find the area by dividing it. so...

1.) 80=3.14x2

3.14x2=6.28       <u> 80=6.28     </u>          (Then you divide 6.28 by 80)

                             80    80                  

3 0
2 years ago
Lines x and y intersect to form adjacent angles 2 and 3. If m/_2 = 3a - 27 and m/_3 = 2b + 14, find the values of a and b so tha
7nadin3 [17]

Answer:

Step-by-step explanation:

4 0
2 years ago
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Lubov Fominskaja [6]
I honestly don’t know because I honestly don’t know
7 0
3 years ago
1/10 + x/100= 6/x<br><br> One-tenth plus x over 100 equals 6 over x what is the value of x
musickatia [10]

Answer:

x1=20;

x2= -30

Step-by-step explanation:

1/10+x/100=6/x

10x+x^2=600

(x+5)^2-25=600

(x+5)^2=625

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if x+5=25, then x=20

if x+5= -25, then x=-30

8 0
3 years ago
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