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makkiz [27]
3 years ago
11

Simplify 53 Enter your answer in the box

Mathematics
1 answer:
vesna_86 [32]3 years ago
7 0

Answer:

we need more information

Step-by-step explanation:

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Find the value of the combination.<br><br> 5C5<br><br> A:1<br> B:5<br> C:0
Olenka [21]

Answer:

A:1

Step by step explanations:

C(n,r)=C(5,5)

n=5

r=5

=n! / (r!(n-r)!)

=5! / (5!(5-5)!)

=1

6 0
3 years ago
A rowing team rowed 90 miles while going with the current in the same amount of time as it took to row 10 miles going against th
pishuonlain [190]

Answer:

The speed in still water is 5 miles per hour.

Step-by-step explanation:

distance with current = 90 miles

distance against current = 10 miles

speed in still water = s

speed of current = 4 mph

speed with current = s + 4

speed against current = s - 4

time = t

speed = distance/time

distance = speed * time

With current:

90 = (s + 4) * t

Against the current:

10 = (s - 4) * t

We have a system of equations:

90 = (s + 4) * t

10 = (s - 4) * t

90 = ts + 4t

10 = ts - 4t

Subtract the second equation from the first equation.

80 = 8t

10 = t

t = 10

10 = t(s - 4)

10 = 10(s - 4)

1 = s - 4

s = 5

Answer: The speed in still water is 5 miles per hour.

8 0
3 years ago
Which number is equivalent to 7/8
PtichkaEL [24]

Answer:

78 is 7 divided by 8, which equals 0.875. So an equivalent fraction is another fraction that also equals 0.875.

6 0
3 years ago
Use decimals and the data for 1988 and 1996 to find the slope intercept form of a trend line
Tju [1.3M]
The answer would be <span>y = 312.5x + 1564

hope this helped :)
alisa202</span>
4 0
3 years ago
Answer each part below using only mental math, and describe your method. a. If 39 is 1% of a number, what is that number? How di
Leni [432]

Answer:

Step-by-step explanation:

Given:  39 = 0.01n

Move the decimal point on each side two places to the right:  3900 = n

8 0
3 years ago
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