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maxonik [38]
4 years ago
9

Olive’s solar powered scooter travels at a rate of 30 miles per hour. What equation can she use to calculate her distance with r

elation to the time she is traveling? A. miles= hours + 30. B. Miles=30x hours . C. Hours = 30x miles. D. Hours = Miles +30
Plz help I really need it :)
Mathematics
2 answers:
andrezito [222]4 years ago
8 0

Answer:

The answer is m=30x

kirza4 [7]4 years ago
6 0
Suppose time Olive is traveling is x hours.
distance=speed×time
Olive's speed=30 miles per hour
time= x hours
Therefore, Olive's distance at time x will be given by:
distance=30×x= 30x
The right equation is:
Miles=30x
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DIA [1.3K]
Part 1)<span>There are 100 cm in 1 m and 1000 m in 1 km. You need a curtain for a window that is 156 cm wide. 

Part (a) If you wanted to convert the width to kilometers, what conversion factor should you use? Show your work.

we know that
100 cm------> 1 m
1000 m-----> 1 km

step 1
convert cm to m
156 cm---------> 156*(1/100)-----> 1.56 m

step 2
convert m to km
1.56 m------> 1.56*(1/1000)----> 0.00156 km

step 3
find the factor
156 cm---------> 156*(1/100)*(1/1000)---> 156*[1/100000]=0.00156 km

the answer part 1a) is
the conversion factor is (1/100000)

Part </span><span>(b) What is the width in kilometers?
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the answer Part 1b) is 1.56 km

Part 2)</span><span> The driver of a taxi charges $2 every minute plus a pickup fee of $3. 
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let
x-----> quantity of minutes of a taxi ride
y----> total cost of a taxi ride

we know that
y=2x+3

the answer Part) 2a is
An <span>expression for the total cost of a taxi ride is 
</span>y=2x+3

Part <span>b) How much does an 18-min drive cost?
y=2x+3
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y=2*18+3-----> y=$39

the answer Part 2b) is
$39

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5 0
3 years ago
NFL Pre-Season Teams in the National Football League (NFL) in the US play four pre-season games each year before the regular sea
Mazyrski [523]

Answer:

H0 : ρ = 0

H1 : ρ ≠ 0

Test statistic = 1.197

Pvalue = 0.2335

There is no correlation between the two variables

Step-by-step explanation:

The null and alternative hypothesis :

H0 : No correlation exist,

H1 : Correlation exist

H0 : ρ = 0

H1 : ρ ≠ 0

Test statistic, T = r / √(1 - r²) / (n - 2)

T = 0.067 / √(1 - 0.067²) / (320 - 2)

T = 0.067 / √(0.995511 / 318)

T = 0.067 / 0.0559512

T = 1.197

The Pvalue obtained from the Rscore, at df = 320 - 2 = 318 is 0.2335

α = 5% = 0.05

The Pvalue > α ; we fail to reject the null and conclude that, there is no correlation between the two variables.

6 0
3 years ago
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Wewaii [24]
3.0? pretty sure that’s the answer
5 0
3 years ago
An angle measure 20 more than the measure of its supplementary angle.What is the measure of each angle?
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Based on the definition of supplementary angles, the measure of both angles are: 80° and 100°.

<h3>What are Supplementary Angles?</h3>

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Let the measure of the supplementary angle be x.

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The other angle will be x + 20 = 80 + 20 = 100°.

The measure of the angles are: 80° and 100°.

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2 years ago
Solving for Unknown Values
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Answer:x=17 y=10

Step-by-step explanation:

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