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Olenka [21]
3 years ago
12

The graph of a bicycle ramp contains the points (-6,0) and (3,3). What is the slope of the ramp?

Mathematics
1 answer:
olasank [31]3 years ago
7 0
The slope of the ramp would be 5/9
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An angle measures 40° less than the measure of its supplementary angle. What is the measure of each angle?
Vilka [71]

Step-by-step explanation:

(180-x)-40=X

140 -x=X

140= 2x

x=140/2

x=70

the answer is 70 degree

4 0
2 years ago
. A used car dealer says that the mean price of a two-year old sedan (in good condition) is at least $20,500. You suspect this c
Taya2010 [7]

Answer: There is sufficient evidence to reject the dealer's claim that the mean price is at least $20,500

Step-by-step explanation:

given that;

n = 14

mean Ж = 19,850

standard deviation S = 1,084

degree of freedom df = n - 1 = ( 14 -1 ) = 13

H₀ : ц ≥ 20,500

H₁ : ц < 20,500

Now the test statistics

t = (Ж - ц) / ( s/√n)

t = ( 19850 - 20500) / ( 1084/√14)

t = -2.244

we know that our degree of freedom df = 13

from the table, the area under the t-distribution of the left of (t=-2.244) and for (df=13) is 0.0215

so P = 0.0215

significance ∝ = 0.05

we can confidently say that since our p value is less than the significance level, we reject the null hypothesis ( H₀ : ц ≥ 20,500 )

There is sufficient evidence to reject the dealer's claim that the mean price is at least $20,500

6 0
3 years ago
A bag of chips contains 53 pieces. Each person in the room receives five chips and there is three chips left over. Write and sol
Nuetrik [128]

Answer:

53-3/5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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She made 14 dollars and hour if that was your question
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3 groups of 5 how<br> Many are there in total
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It's 15 because

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and becomes 15

I HOPE THIS HELPS

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