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Leokris [45]
2 years ago
5

Which rate can you set StartFraction 30 miles Over 1 hour EndFraction equal to in order to find the time it takes to travel 900

miles at 30 miles per hour? StartFraction question mark hours Over 900 miles EndFraction StartFraction question mark hours Over 30 miles EndFraction StartFraction 30 miles Over question mark hours EndFraction StartFraction 900 miles Over question mark hours EndFraction
Mathematics
2 answers:
Marianna [84]2 years ago
6 0

Answer:

B!!!!

Step-by-step explanation:

SVETLANKA909090 [29]2 years ago
4 0

Answer:

 D. (900 mi)/(? hours)

Step-by-step explanation:

The given fraction has miles in the numerator and hours in the denominator. To write a proportion, you need to equate that to a fraction that has miles in the numerator and hours in the denominator. The (miles, hours) pair of interest is (900 miles, ? hours), so the necessary proportion is...

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Mathematics need help hurry and wander this question ** picture involved**
ser-zykov [4K]

Answer:

radius = 15ft

diameter = 30ft

Step-by-step explanation:

7 0
3 years ago
A person died leaving property worth rs.4000.40. His widow get 0.125 of the property and his son got 0.4 of the remainder. What
belka [17]

Answer:

Widow's Share = Rs 500.05

Son's share = Rs 1400.14

Step-by-step explanation:

Property = 4000.40

Widow get share = 0.125

So, Share of Widow = 0.125 * 4000.40

Widow's Share = Rs 500.05

Remaining Property = 4000.40 - 500.05

Remaining Property = 3500.35

Son's share = 0.4 * 3500.35

Son's share = Rs 1400.14

6 0
3 years ago
The length of a rectangle is 2 cm longer than its width if the perimetier of the rectangle is 44cm, find its area
Natasha2012 [34]
L=w+2 and 2w+2l=44

substitute equation for length in perimeter equation

2w+2(w+2)=44
2w+2w+4=44
4w+4=44
4w=40
w=10

substitute width into length equation to get length

l=10+2
l=12

a=lw
a=12*10
a=120 cm^2
7 0
2 years ago
How to calculate square root?
OLEGan [10]
To calculate the square root, you can either use the √symbol on a calculator or you can manually find it using Prime Factorization. For non-perfect squares, Prime Factorization is the way to go. 
 
The first two steps work for solving large perfect squares as well.

1. Divide your number into perfect square factors.

2. Take the square roots of your perfect square factors. 

3. If your number doesn't factor perfectly, reduce your answer to simplest terms. 

4. If needed, estimate. In some cases if you have memorized some of the square roots, you can estimate where the number would be. 
ie.  \sqrt{63}       you know that 7^2 =49 and 8^2 = 64,  so you can estimate that the \sqrt{63} would be between 7 and 8 but closer to 8.

5. <span>Alternatively, reduce your number to its lowest common factors as your first step.</span><span> Finding perfect square factors isn't necessary if you can easily determine a number's prime factors (factors that are also prime numbers).
ie.  </span>\sqrt{45}
 =  \sqrt{9*5}
 = \sqrt{3*3*5}
 =   3 \sqrt{5}

Hope this helped!!!
6 0
3 years ago
3n + 6n -4 = 2n + 2 + 5n​
xxMikexx [17]

Answer:

3n +6n-4=2n+2+5n

9n-4=7n+2

9n-7n=2+4

2n=6

n=6÷2

n=3

7 0
2 years ago
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