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Solnce55 [7]
3 years ago
9

10 times 2.5 plus 13.5 equals

Mathematics
2 answers:
tino4ka555 [31]3 years ago
7 0
38.5
--------------------------------
JulsSmile [24]3 years ago
4 0
38.5 is the answer25 + 13.5 = 38.510 x 2.5 = 25
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Which of the following best describes the algebraic expression 7(x-9)+14?
slavikrds [6]
The answer is (A) because the (quantity of a number minus nine) implies that x-9 is inside parenthesis.
3 0
3 years ago
Madge has cut out two triangular shapes from a block of wood, as shown below. Are the two shapes similar? Show your calculations
marin [14]
Yes, the larger one is twice the smaller one.
8*2=16
5*2=10
3 0
2 years ago
Whats between 0 and <img src="https://tex.z-dn.net/?f=%20%5Cpi%20%2F2" id="TexFormula1" title=" \pi /2" alt=" \pi /2" align="abs
Nataly_w [17]
Pi divided by 2 is <span>1.57079632679 so anything bigger than 0 and less than that number should be between.</span>
7 0
3 years ago
You start with a penny which doubles each day for 30 days. How much money would you have after 30 days?
Radda [10]

Answer:

$555,765.76

Step-by-step explanation:

1

2

4

8

16

32

64

128

256

512

1024

2048

4096

8192

16282

32564

65128

13256

26512

53024

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212096

424192

868384

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3473536

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55576576=

555,765.76

6 0
2 years ago
Given the speeds of each runner below, determine who runs the fastest.
Lesechka [4]

Answer:

Debbie runs 9 feet per second: 9 ft/s

Jessica runs 1 mile  in 440 seconds: 414/50 ft/s = 207/25 ft/s = 8 7/25 ft/s

jesssica runs 131 feet in 10 seconds: since 1 mile = 5280 ft we have 1/470 mi/s = 5280/470 ft/s = 528/47 ft/s = 11 11/47 ft/s

ron runs 603 feet in 1 minute: 547 ft/min = 603/60 ft/s = 201/20 ft/s = 10 1/20 ft/s

Since:

11 11/47 > 10 1/20 > 9 > 8 7/25

Emily runs the fastest.

7 0
2 years ago
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