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AlexFokin [52]
4 years ago
13

Which unit rate is equivalent to 504 miles per 12 hours?

Mathematics
1 answer:
Juli2301 [7.4K]4 years ago
8 0

Answer:

42mph

Step-by-step explanation:

divide 504 into 42

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Evaluate 3 7 r + 5 8 s 7 3 ​ r+ 8 5 ​ sstart fraction, 3, divided by, 7, end fraction, r, plus, start fraction, 5, divided by, 8
bazaltina [42]

Answer:

Therefore the value of given expression when r = 14 and s = 8 is

\dfrac{3}{7}\times r + \dfrac{5}{8}\times s=11

Step-by-step explanation:

Given:

\dfrac{3}{7}\times r + \dfrac{5}{8}\times s

To Find:

Value of above  equation when r = 14 and s = 8

Solution:

\dfrac{3}{7}\times r + \dfrac{5}{8}\times s .............Given

Put,

r=14\\s=8

\dfrac{3}{7}\times r + \dfrac{5}{8}\times s=\dfrac{3}{7}\times 14 + \dfrac{5}{8}\times 8

Now 7 × 2 = 14 and 8 will cancel each other we get

\dfrac{3}{7}\times r + \dfrac{5}{8}\times s=3\times 2 + 5=6+5=11

Therefore the value of given expression is

\dfrac{3}{7}\times r + \dfrac{5}{8}\times s=11

8 0
3 years ago
Graph each absolute value function. State the domain, range, and y-intercept.
SVEN [57.7K]

Answer:

The domain is  (-\infty,\infty) and its range is [3,\infty).

The y-intercept is (0,3).

Step-by-step explanation:

Consider the parent function y=|x|. Its domain is x\in (-\infty,\infty) and its range is y\in [0,\infty).

The graph of the function y=|x|+3 is obtained from the graph of parent function by translation 3 units up (see diagram). This translation doesn't change the  domain and will change the range of the function, thus the domain is  (-\infty,\infty) and its range is [3,\infty).

To find th y-intercept you have to find y at x=0:

y=|0|+3=3.

Hence, the y-intercept is (0,3).

5 0
3 years ago
Read 2 more answers
Reduce the following mixed number 2 2/8
Paladinen [302]

Answer:

2 1/4

Step-by-step explanation:

2 2/8

The top and bottom of the fraction can be divided by 2

2 1/4

8 0
4 years ago
For the following compound interest problem, how much interest would you earn if you put $600 in the bank at 5.5% for 2.25 year.
s2008m [1.1K]

Answer:

$74.25

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 5.5%/100 = 0.055 per year,

then, solving our equation

I = 600 × 0.055 × 2.25 = 74.25

I = $ 74.25

The simple interest accumulated

on a principal of $ 600.00

at a rate of 5.5% per year

for 2.25 years is $ 74.25.

8 0
3 years ago
How complex fractions can be used to solve problems with ratios
alexgriva [62]
When you have ratios and some unknowns,you can create complex fractions from them.Bring them to the same denominator and solve for X.
4 0
3 years ago
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