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worty [1.4K]
4 years ago
5

Which equations are true when the value of x is 4

Mathematics
1 answer:
Arada [10]4 years ago
7 0
4x1= 4 easy ......correct
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If i travel 100 miles in 4 hours what is that unit rate
lutik1710 [3]
100 miles in 4 hours. The unit rate would be 25 miles per hour.

100miles / 4hrs = 25 miles per hour

Therefore, for every hour you travel, you will gain 25 miles. Or for every 25 miles you travel, you've spent 1 hour traveling it.

y = 25x
where y is the total miles traveled, 25 is the constant unit rate, and x is the number of hours traveled.

for example: you traveled for 8 hours and you want to know how long you've traveled while maintaining the rate of 25mph. Just use the formula

 y = 25x
y = 25(8)
y = 200 miles.  you have traveled 200 miles in 8 hours.
4 0
3 years ago
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Help!!!! I WILL GIVE BRAINLIEST !!!!
ladessa [460]
I think it’s c sorry if I’m wrong
4 0
3 years ago
Marti has a jar of 161 coins consisting of pennies and nickels. The total value of the coins is $3.09. How many nickels does Mar
rodikova [14]

Okay, so there are nickels and pennies in this jar.

So, let's call the number of pennies X

Since there are 161 coins altogether, the number of nickels is (161 - X)

So now we solve the equation:

.01X + .05(161 - X) = 3.09

.01X + 8.05 - .05X = 3. 09

4.96 = .04X

124 = X

So, there are 124 pennies

Therefore, there are 161 - 124 = 37 nickels

Let's check our answer:

124 x .01 + 37x .05 = 1.24 + 1.85 = 3.09

It works!

3 0
3 years ago
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10. Which number makes this sentence true? 21:30 = x:50
fredd [130]

Answer:

The answer is 35

Step-by-step explanation: Dividing the first fraction into lowest terms makes the problem easier to solve.

5 0
3 years ago
Please help ill mark brainliest
ella [17]

<u>Answer</u>:

Equation  :    y = 6

<u>Explanation</u>:

It is a straight line, cuts y axis and does not meet x axis.

Equation of the line is y = 6

3 0
3 years ago
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