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MrRissso [65]
3 years ago
12

Jim says that the marked yellow paths show the shortest path to the tent. Is he correct ? Explain

Mathematics
1 answer:
aev [14]3 years ago
6 0
Is there a picture so I can help
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11x-8=10x. Find the value of x
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Hope this helps you out.

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How do you use cos on the calculater in math
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Answer:First make sure your calculator is on the right setting which would be a DEG. Then depending on the problem you would press COS, put whats needed inside the parentheses and close it.

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Step-by-step explanation:

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Please answer this correctly
ValentinkaMS [17]

Answer:

Step-by-step explanation:

winter 10%

spring 25%

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9. The Strawberry Festival is finally here! Mrs.
chubhunter [2.5K]

\left \{ {{- \atop {2(21.5-2y)+2y=30}} \right.Answer:

Step-by-step explanation:

a)

x= gourmet pretzels

y= boxes of strawberries

system will be:

\left \{ {{2x+4y=43 \atop {2x+2y=30}} \right.

b)

\left \{ {{2x+4y=43 \atop {2x+2y=30}} \right. \left \{ {{x=21.5-2y \atop {2x+2y=30}} \right.\left \{ {{- \atop {2(21.5-2y)+2y=30}} \right.\left \{ {{- \atop {43-4y+2y=30}} \right.\left \{ {{- \atop {-4y+2y=30-43}} \right.\left \{ {{- \atop {-2y=-13}} \right.\left \{ {{- \atop {y=\frac{13}{2} }} \right.\left \{ {x=21.5-2(6.5)}} \atop {y=6.5}} \right.\left \{ {{x=8.5} \atop {y=6.5}} \right.

a box of strawberries is 6.5

4 0
3 years ago
Dominos Pizza for years made a claim that they would deliver your pizza within 30 minutes ("30 minutes or less") of your order b
olchik [2.2K]

Answer:

a. t*

b. (22.87, 24.53)

c. yes

Step-by-step explanation:

We have the following data:

mean = m = 23.7

standard deviation = sd = 2.15

x = 20

Thus:

a. The critical value would be t * since the value is m <30

b. whenever the mean is less than 30, the t distribution is used, for 95% confidence interval with degree of freedom = (x - 1) df

 = 20 - 1

 = 19

now, for this value we look in the table of t, we find that t * = 1.729

m + - t * (sd / x ^ 81/2))

replacing

23.7 + - 1.729 * (2.15 / 20 ^ (1/2))

23.7 + - 0.8312

then the inverval would be:

23.7 + 0.8312 = 24.5312

23.7 - 0.8312 = 22.8688

(22.87, 24.53)

c. yes, the interval is accurate since the mean of 23.7 is within this value

6 0
3 years ago
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