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sineoko [7]
3 years ago
7

Petra jogs 5 miles in 40 minutes. At this rate, how long would it take her to jog 7 miles? Petra would take minutes to jog 7 mil

es.Petra jogs 5 miles in 40 minutes. At this rate, how long would it take her to jog 7 miles? Petra would take minutes to jog 7 miles.
Mathematics
1 answer:
tatuchka [14]3 years ago
3 0

Answer:

the answer would be 56 minutes.

Step-by-step explanation:

7 x 40 = 280

5n = 280

n = 56

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Diego scored 6 points less than Monica on a Math
igomit [66]

Answer:

C. x + (x – 6) = 188

Step-by-step explanation:

if x represent Monica's score

then the score of Diego is x -  6

therefore

Monica's score + Diego`s score = 188

means

x + (x - 6) = 188

5 0
3 years ago
Find the circumference of the given circle given a diameter of 40 cm. ​Use 3.14 as an approximation of π.
astraxan [27]

Answer: 125.6

Step-by-step explanation:

C=dpi. If 40 times 3.14 equals 125.6 then that is the circumference.

4 0
3 years ago
1/10, 3/20, 5/30, 7/40 arithmetic sequence geometric sequence neither
Zina [86]
If a, b, c is an arithmetic sequence then a + c = 2b

a = 1/10; b = 3/20, c = 5/30

a + c = 1/10 + 5/30 = 3/30 + 5/30 = (3+5)/30 = 8/30
2b = 2 · 3/20 = 3/10 = 9/30

8/30 ≠ 9/30

If a, b, c is a geometric sequence then ac = b²

ac = 1/10 · 5/30 = 1/2 · 1/30 = 1/60
b² = (3/20)² = 9/400

1/60 ≠ 9/400

<span>Answer: Neither.</span>
3 0
3 years ago
What is the area?? Please help
Olegator [25]

Answer:

<h3>324 ft²</h3>

Step-by-step explanation:

We have the triangle and the rectangle.

The formula of an area of a triangle:

A_{\triangle}=\dfrac{1}{2}bh

b - base

h - height

The formula of an area of a rectangle:

A_{\boxed{\ }}=lw

l - length

w - width

We have b = 24 ft, h = 7 ft, l = 24 ft and w = 10 ft.

Substitute:

A_\triangle=\dfrac{1}{2}(24)(7)=(12)(7)=84\ ft^2

A_{\boxed{\ }}=(24)(10)=240\ ft^2

The area of the figure:

A=A_{\triangle}+A_{\boxed{\ }}

Substitute:

A=84+240=324\ ft^2

7 0
3 years ago
A pretzel company calculated that there is a mean of 73.5 broken pretzels in each production run with a standard deviation of 5.
SVEN [57.7K]

Answer:

0.1894 = 18.94% probability that there will be fewer than 69 broken pretzels in a run.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

A pretzel company calculated that there is a mean of 73.5 broken pretzels in each production run with a standard deviation of 5.1.

This means that \mu = 73.5, \sigma = 5.1

Find the probability that there will be fewer than 69 broken pretzels in a run.

This is the p-value of Z when X = 69.

Z = \frac{X - \mu}{\sigma}

Z = \frac{69 - 73.5}{5.1}

Z = -0.88

Z = -0.88 has a p-value of 0.1894

0.1894 = 18.94% probability that there will be fewer than 69 broken pretzels in a run.

3 0
3 years ago
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