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den301095 [7]
3 years ago
11

Sophie is 3.5 years younger than her brother. She knows that when she is b years old, her brother is b+3.5 years old. Right now,

Sophie is 11.5 years old.
How old is Sophie's brother?
Write your answer as a whole number or decimal
Mathematics
2 answers:
evablogger [386]3 years ago
5 0
The answer is 15, cause if you add 3.5 and 11.5 that equals 15
DiKsa [7]3 years ago
3 0

Answer:

Sophie's brother is 9 exactly

Step-by-step explanation:

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Elis [28]

5. You have correctly shown the decimal equivalents of the numbers in selection C. Those are in order. The decimal equivalents for selection D would be

... -1.33, -2.00, -1.00, -0.08, -0.07

The first of these is greater than the second of these, so this list is not in order. The correct choice is D.

6. √169 = 13, the only rational number in the lot. The correct choice is C.

8. All the numbers except the ones with radicals are rational numbers, so the appropriate choice is the one that lists the radicals only: G.

9. You have correctly plotted the points. When you connect them to make a geometric figure, you get a triangle that is 6 units high and 6 units wide. Its area will be half that of a square that is 6×6, so is 18 square units.

_____

The formula for the area of a triangle is

... A = (1/2)bh

where b is the base length of the triangle (6 units), and h is the height (6 units). Filling in the numbers you have, this is

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6 0
3 years ago
Body surface area is calculated a) in m2 from weight and height. b) from height. c) from weight. d) in meters from weight and he
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Hope this helps you
3 0
3 years ago
Read 2 more answers
PLEASE HELP MEEE!!!!!​
oksano4ka [1.4K]

Answer:

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Hope this helps!

7 0
3 years ago
What is the value of numerical expression 5/8 - 5/12 (3-1/4)+2/3
makvit [3.9K]
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8 0
3 years ago
5.
faltersainse [42]

Answer:

45

Step-by-step explanation:

Let us assume the Bags of oranges be x

Now the cost price is 2500x

Sale price N = 90,000

Loss =20%

As we know that

Cost price= selling price × 100/ 100-percentage loss

= 90,000 ×  100/ 100- 20

= 90,000 ×  100 /80

Cost price= 112,500

Now

The Number of bags of oranges is

= 112,500 ÷ 2500

= 45

4 0
3 years ago
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