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bija089 [108]
3 years ago
14

Andrea ran 4 miles in 30 minutes. What was her rate in miles per hour ?

Mathematics
2 answers:
Leni [432]3 years ago
6 0
7.5. 30 divided by 4 equals 7.5
AfilCa [17]3 years ago
5 0
If she ran 4 miles in 30 minute then she ran 8 miles in 1 hour 
so her rate is 8mph

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Assoli18 [71]
<span>1. multiply to -18 add to -17 = Multiplying -18 and 1 will give -18 as the result and then on adding -18 and + 1 the result comes to -17
</span><span>2. multiply to 36 add to -13 = Multiplying -9 and -4 will give -36 as the result and then on adding -9 and -4 the result comes to -13
</span><span>3. multiply to -24 add to -5<span>= </span></span><span>Multiplying -8 and +3 will give -24 as the result and then on adding -8 and +3 the result comes to -5
4. multiply to -18 add to 7= </span><span>Multiplying +9 and -2 will give -18 as the result and then on adding +9 and -2 the result comes to 7
5. multiply to -36 add to 9= </span><span><span>Multiplying +12 and -3 will give -36 as the result and then on adding +12 and -3 the result comes to 9
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3 0
3 years ago
Determine the function f(x) satisfying the given conditions.
Furkat [3]
<span>f''(x) means function is of grade 1
f(x) = ax + b

f'(x) = a
f'(5) = 1 </span>⇒ a = 1

f(4) = -2
f(4) = 1×4 + b
-2 = 4 + b
b = -6

f(x) = x - 6
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e-lub [12.9K]

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welpp

Step-by-step explanation:

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3 years ago
20x + 5<br> 24.x-1<br> what’s x?
iogann1982 [59]

Step-by-step explanation:

20x+5=24x-1

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7 0
3 years ago
Simplify. (−5p4z6u)3
sineoko [7]
The rules of exponents tell you that you can distribute the exponent to each of the factors. When one already has an exponent, those exponents multiply.
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4 0
3 years ago
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