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Scrat [10]
3 years ago
9

Please answer 7 and 8 for mark as brainliest

Mathematics
1 answer:
maria [59]3 years ago
8 0
7) A. A variable is an unknown value, and x is unknown. Constants are known values so they cannot have X in it.

8)A again for the same reason as number 7
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Help please.<br><br> r/5 - 6 = -1<br> A) r = 1 <br> B) r = 5 <br> C) r = 10 <br> D) r = 25
statuscvo [17]
Hello :),

\frac{r}{5}-6=-1 \\    \\ \frac{r}{5} =-1+6=5 \\  \\  r=5*5=25.
5 0
4 years ago
A long distance runner starts at the beginning of a trail and runs at a rate of 6 miles per hour. One hour later, a cyclist star
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Circles - Radius, Diameter, Area and Circumference
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Answer:

18849.55 feet

Step-by-step explanation:

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3 years ago
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Coldstone Creamery has a variety of different ice-cream flavors that they offer, and they have a variety of different serving si
Jobisdone [24]

Answer:

H0 : flavor and serving size are independent

H1: Flavor and serving size are not independent

Step-by-step explanation:

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Null hypothesis ; H0 : flavor and serving size are independent

Alternative ; H1: Flavor and serving size are not independent

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3 years ago
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