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Svetach [21]
3 years ago
9

liang has a goal of walking at least 18 miles. she walks at a rate of 4 miles per hour. what inequality can liang use to find h,

the number of hours she should walk to reach her goal
Mathematics
1 answer:
zzz [600]3 years ago
7 0

The answer is 4.2. I hope this helped.

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How many millimeters are in 27 centimeters? (2 points)
lord [1]
Answer: B) 270 mm

Step-by-Step Explanation:

We know,
1 cm = 10 mm
1mm = 1/10 cm

Therefore,
27 cm = 27 * 10 = 270 mm
3 0
2 years ago
An exponential function f(x)=a⋅bx passes through the points (0, 4) and (2, 64). What are the values of a and b?
Flura [38]

Answer:

a=b=4

Step-by-step explanation:

f(x) = a\cdot b^x\\f(0) = a = 4\\f(2) = 4b^{2} = 64 \rightarrow b = 4\\ f(x) = 4 \cdot 4^x

3 0
3 years ago
mittens are marked down 25% the sale price is 3.15 a pair what was the original price of a pair of mittens
Sliva [168]
$12.6 -- 25% of 12.6 is exactly $3.15

I did this by taking 3.15 / 0.25
6 0
4 years ago
Read 2 more answers
Simplify.<br><br> 15 – (–3) – 4<br><br> –16<br><br> –8<br><br> 14<br><br> 22
jasenka [17]

Answer:

14

Step-by-step explanation:

Two negatives equal a positive so

15+3-4

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14

Our answer is 14!

5 0
3 years ago
Perfect squares are closed under multiplication true or false
Viefleur [7K]

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True

Step-by-step explanation:

5 0
4 years ago
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