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alexandr402 [8]
3 years ago
15

It took Jenny and her family 1 hour to drive to her grandmothers house . Her grandmother lives bout 45 miles away . At what rate

did the family travel ?
Mathematics
2 answers:
elena55 [62]3 years ago
6 0

Answer: The family travel at 45 miles per hour.

Step-by-step explanation:

Since we have given that

Number of miles away her grandmother lives = 45 miles

Time taken by her and her family = 1 hour

We need to find the rate that the family traveled.

Here, unit rate stands for "Speed at which she and her family travelling">

As we know the formula for "Speed":

Speed=\dfrac{Distance}{Time}=\dfrac{45}{1}=45\ mph

Hence, the family travel at 45 miles per hour.

Maslowich3 years ago
3 0

Answer:45 MPH

Step-by-step explanation: Speed, distance and time can be calculated using a magic triangle. D (the distance) goes in the top of the triangle, S (speed) goes in the bottom left of the triangle and T (time) goes in the bottom right of the triangle.

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A company produces packets of soap powder labeled "Giant Size 32 Ounces." The actual weight of soap powder in such a box has a N
Stolb23 [73]

Answer:

0.0764

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore 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 pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 33, \sigma = 0.7

What proportion of boxes is underweight (i.e., weigh less than 32 oz)?

This is the pvalue of Z when X = 32. So

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

Z = \frac{32 - 33}{0.7}

Z = -1.43

Z = -1.43 has a pvalue of 0.0764, which is the correct answr

6 0
3 years ago
What is the GCF of 48m5n and 81m2n2
Art [367]
48m^5n: 3*2^4*m^5n

81m^2n^2: 3^4m^2n^2

GCF: 3*m^2n
8 0
3 years ago
Math practice <br> Will give brainest if correct
svetoff [14.1K]

Answer:

x > 24

Step-by-step explanation:

12 + 12 = 24

5 0
2 years ago
What is the GCF of (8x-6) <br><br>sos T-T
makvit [3.9K]

Hi student, let me help you out! :)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

We are asked to find the G.C.F. of 8x-6.

\triangle~\fbox{\bf{KEY:}}

  • G.C.F. stands for Greatest Common Factor.

So what is the G.C.F. of 8x-6? We can list all of their common factors and then select the greatest one, like so:

\longmapsto\bf{Factors\;of\;8x:} 1, 2, 4, 8, x

\longmapsto\bf{Factors\;of\;-6:} -1, 1, 2, -3, 3, -6, 6

So the GCF is:

2

Now, we can also factor it out by placing it outside the parentheses ():

2(4x-3)

See, we factored it out by dividing both terms of the expression by the G.C.F.

\ddot\bigstar Remember this...

\fbox{\bf{We\;factor\;out\;the\;G.C.F.\;by\;dividing\;all\;the\;terms\;of\;the\;expression\;by\;it}}

Hope this helps you out! :D

Ask in comments if any queries arise.

~Just a smiley person helping fellow students :)

6 0
2 years ago
Jada paints a circular table that has a diameter of 44 inches. What is the area of the table? Round to the nearest whole number!
Elza [17]

Answer: 1521

Step-by-step explanation: use the equation pi times radius square. Your radius is always going to be half your diameter so you'll use 22 instead. Then plug that I'm and you should get 1520.53 rounded would be 1521.

5 0
2 years ago
Read 2 more answers
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