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igomit [66]
3 years ago
15

4 workers require 5.5 m of mortar for 3 days when working 8 hours a day.

Mathematics
1 answer:
charle [14.2K]3 years ago
3 0
Sorry I'm not sure how to solve this one but maybe you have to multiply
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There are 12 face cards in a standard deck of 52 cards. How many ways can you arrange a standard deck of 52 cards such that the
evablogger [386]

Answer:

Total number of required ways = 12 × 51!

Step-by-step explanation:

Number of total cards in the deck = 52

Number of face cards in the deck = 12

Now, we need to find the number of ways such that the first card is always a face card

Now, first card is face card so number of cards left to be arranged = 52 - 1 = 51

Number of ways to arrange 51 cards = 51!

Also, Number of face cards = 12

So, Total number of required ways = 12 × 51!

8 0
3 years ago
What is an equation of the line that passes through the points (-4, -1)(−4,−1) and (2, 8)(2,8)?
Nataliya [291]

Answer:

y = 3 /2 x + 5

Step-by-step explanation:

4 0
3 years ago
How do you find the intersects of a graph
horsena [70]
Set y equal to 0  to find x intercept
set x equal to 0 to find y intercept
8 0
3 years ago
Cheryl wants you find the number of hours 7th graders do work at home each week. There are 297 boys and girls in 7th grade, Cher
andrey2020 [161]

Answer: There are a total of 297 students in the 7th grade. Rough estimates would say that about half of that number are boys and half are girls. Asking only 50 random girls would be biased because not only would it not be all of the girls (the number of girls would be around 148 or 149) but it would also be ignoring the roughly 148 to 149 boys there are on estimate. The sample would be biased because it would be ignoring the opinions of more than half the seventh grade.

(FULL CREDIT TO maksimylian, I DID NOT WRITE THIS ANSWER)

6 0
4 years ago
Read 2 more answers
What percent of 700 is 14 ?
kolbaska11 [484]

<u>Answer:</u>

2%

<u>Step-by-step explanation:</u>

We are to find out what percentage of 700 is 14.

Assuming x to be the percent of 700 which is 14, we can write it as:

\frac { x } { 100 } \times 700 = 14

\frac { x } {100} = \frac {14} {700}

\frac { x } { 1 0 0 } = 0.02

x=0.02 \times 100

x=2

Therefore, 14 is 2% of 700.

6 0
3 years ago
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