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kkurt [141]
2 years ago
8

Find the unit rate. 5/8 mile in 1/4 hour

Mathematics
2 answers:
ivolga24 [154]2 years ago
8 0

Answer:

5/8 : 1/4 :: m : 1    proportion

5/8 = m/4               product means/extremes

5/2 = m

Step-by-step explanation:

11111nata11111 [884]2 years ago
4 0
2.5 mph is the correct answer take it from an ph expert
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Help finding the sum
Mamont248 [21]
It is asking you to find the sum of k^2 - 1 from k=1 to k=4. Since that is only 4 numbers, calculating the sum by hand wouldn’t be that bad.

(1^2 - 1) + (2^2 - 1) + (3^2 - 1) + (4^2 - 1) = 26

The easier way to find the sum is to use a few simple formulas.

When we have a term that is just a constant c, the formula is c*n.

When we have a variable k, the formula is k*n*(n+1)/2.

When we have a squared variable, the formula is k*n*(n+1)*(2n+1)/6.

In this case, we have a squared variable k^2 and a constant of -1.

So plug in n=4 to the formulas:

4*5*9/6 - 1*4 = 26

The answer is 26







5 0
3 years ago
WILL GIVE BRAINLIEST graph y=-x+2 using the x and y intercepts (show your work pls)
erma4kov [3.2K]

Answer:

Look down!!

Step-by-step explanation:

Since two points determine any line, we can graph lines using the x- and y-intercepts. To find the x-intercept, set y = 0 and solve for x. To find the y-intercept, set x = 0 and solve for y. This method of finding x- and y-intercepts will be used throughout our study of algebra because it works for any equation.

Ex.

4=2+2

y=4

x=2

Hope this helps!!

6 0
3 years ago
Read 2 more answers
In a class of 55 students, 15 students like Math but not English and 18 students liked English but not Math. If 5 students did n
Viefleur [7K]
See the venn-diagram in the picture.

Hope this helps! Please consider marking me the Brainliest, it’s not necessary, but very much appreciated. Have a great day!

6 0
3 years ago
Which fractions 1/3, 5/6, 3/4, 3/8 are closer to 0 than to 1?
aev [14]

Answer:

1/3, 3/8 are closer to 0

Step-by-step explanation:

8 0
3 years ago
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Why the output is a zero number ?<br><img src="https://tex.z-dn.net/?f=%28x%20-%203%29%20%5Ctimes%20%28x%20%20%20%2B%204%29%20%3
ELEN [110]

Answer:

see explanation

Step-by-step explanation:

Given

(x - 3) × (x + 4) = 0, that is

(x - 3)(x + 4) = 0

The zero product indicates that (x - 3) = 0 or (x + 4) = 0

x - 3 = 0 ⇒ x = 3

x + 4 = 0 ⇒ x = - 4

Thus if x = 3, then

(3 - 3)(x + 4) = 0 × (x + 4) = 0

Similarly if x = - 4 the output is zero

4 0
3 years ago
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