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Digiron [165]
3 years ago
10

Please Help it is due today:

Mathematics
2 answers:
Anton [14]3 years ago
4 0

Answer:

Yes, No, Yes, Yes, No

Step-by-step explanation:

Hope it helps!

5 rows of 10 cards, yes because 5*10=50 cards

7 rows of 8 cards, no because 7*8=56 cards, he only has 50

25 rows of 2, yes because 25 cards * 2= 50 cards

50 rows of 1 card, yes because 50*1 is 50

48 rows of 5 cards, no because 48*5=240 cards

erma4kov [3.2K]3 years ago
4 0

Answer:

Yes,No,Yes,Yes,No

Step-by-step explanation:

5 rows of 10 cards, yes because 5*10=50 cards

7 rows of 8 cards, no because 7*8=56 cards, he only has 50

25 rows of 2, yes because 25 cards * 2= 50 cards

50 rows of 1 card, yes because 50*1 is 50

48 rows of 5 cards, no because 48*5=240 cards

To find the amount of total cards in each row, just multiply the rows by cards! :)

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I have a map where indy and ft. Wayne are 3 centimeters apart. Kokomo and indy are 1.5 cm apart on the map. If i know that indy
marta [7]

Indy and kokomo will be 60 miles apart in real life.

<u><em>Explanation</em></u>

On the map, Indy and ft. Wayne are 3 cm apart and Kokomo and Indy are 1.5 cm apart.

So, <u>the ratio </u>of the distance between Indy and ft. Wayne to the distance between Kokomo and Indy will be:  3: 1.5 = 30:15= 2:1

Now, lets assume that real distance between Indy and ft. Wayne is  2x cm and real distance between Kokomo and Indy is  x  cm.

Given that, the real distance between Indy and ft. Wayne is 120 miles.

That means....

2x= 120\\ \\ x= \frac{120}{2}=60

So, Indy and kokomo will be 60 miles apart in real life.

3 0
3 years ago
The distribution of the number of transactions performed at a bank each day is approximately normal with mean 478 transactions a
jolli1 [7]

Answer:

e. 0.977

Step-by-step explanation:

Problems of normally distributed samples are 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 = 478, \sigma = 64

Which of the following is closest to the proportion of daily transactions greater than 350?

This is 1 subtracted by the pvalue of Z when X = 350. So

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

Z = \frac{350 - 478}{64}

Z = -2

Z = -2 has a pvalue of 0.023

1 - 0.023 = 0.977

So the correct answer is:

e. 0.977

6 0
3 years ago
Help me please ? thank you
ivanzaharov [21]

Answer:

what are you going to do with that?

3 0
3 years ago
Brian is ordering tickets online for a concert. the price of each ticket for the concert is t dollars. for online orders there i
Grace [21]

7 tickets: 7(t + 11) + 14


Distribute the 7 inside the parentheses.

(7t + 77) + 14


Add 77 and 14.

7t + 91


(7t + 77) + 14 and 7t + 91 are two expressions equivalent to the cost expression.


Now plug in 33 for t in the original cost expression.

7(t + 11) + 14


7(33 + 11) + 14

Distribute 7 inside the parentheses.


(231 + 77) + 14 = 322


The total cost of Brain's online order is $322.

4 0
4 years ago
What is the total surface area of the figure below? Only enter the number part of your answer. Do not include the units.
Leya [2.2K]

Answer:

193.2

Step-by-step explanation:

To solve the triangle:

5.2 × 6= 31.2

You would normally find half of that since it's a triangle but there are two triangles, so each would equal half of 31.2 but if you add both halves that just equals 31.2.

Square one:

9 × 6= 54

All three squares are equal since they have the same measurements.

 54 + 54 + 54= 162

162 + 31.2= 193.2                                                              

4 0
2 years ago
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