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salantis [7]
3 years ago
13

What is the answer and how do I solve it?

Mathematics
1 answer:
vichka [17]3 years ago
4 0
The lengths of the rectangles are 7 and 12 respectively.  Form the ratio 7/12.  The widths of the rects. are x and 5 respectively.  Form the ratio x/5.  Now equate these two ratios:

7       x
--- = ---
12     5

Solve this for x.  One way to do this would be to cross-multiply, obtaining 12x = 35, and solving this result for x.  x will be a fraction.  Write the numerator and denominator in the boxes given.
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Subject : Maths<br> Level : High school<br> Topic : Surds<br> Points : 72
Mila [183]

Answer:

  • a = 5

Step-by-step explanation:

<u>Simplify:</u>

  • √5(√8 + √18) =
  • √5*8 + √5*18 =
  • √40 + √90 =
  • √4*10 + √9*10 =
  • 2√10 + 3√10 =
  • (2 + 3)√10 =
  • 5√10

<u>The value of a:</u>

  • a√10 = 5√10
  • a = 5
6 0
3 years ago
Can you help me please with this question
GREYUIT [131]

Answer:

132

Step-by-step explanation:

You can tell it is 132 from <ABC because the whole angle is a 180 degree angle now subtract 180-48 which is 132. please give me brainiest

6 0
2 years ago
Amy bought 0.4 kilogram of tomatoes for $4.00. What is the cost in dollars per kilogram of tomatoes?
nasty-shy [4]

Answer:

$10 per kilogram

Step-by-step explanation:

To eliminate the decimals,multiply everything by 10

0.4.........4

4.00.........40

4 kilos = $40

1 kilo = $10 (40/4)

3 0
3 years ago
Read 2 more answers
A mechanic gives a survey to all of his customers asking them to rate the quality of the service they received. He then keeps tr
topjm [15]

Answer:

Some customers who rate their service as high quality return for additional services.

Step-by-step explanation:

Last year, the results showed that of the customers who reported high quality service, 20% returned for additional services.

This shows than some customers are satisfied overall and return back for additional services.

6 0
3 years ago
Write a subtraction problem that has mixed numbers and requires renaming.draw a model illustrating the steps you take to solve t
Yuliya22 [10]

5(1/2) - 2 (1/4) =

11/2 - 9/4 =

22/4 - 9/4 =

13/4 or 3 (1/4)

5 0
3 years ago
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