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Grace [21]
3 years ago
15

Please brainlist who ever answers

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
4 0

Answer:

190 square inches

Step-by-step explanation:

Hitman42 [59]3 years ago
4 0

Answer:

190

Step-by-step explanation:

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4/5 equivalent fraction?
Grace [21]
4/5 = 8/10 = 12/15 = 16/20 = 20/25
Hope it  helps
6 0
3 years ago
If y varies directly as x and y = 21 when x = 5, find x when y = 42.
Lorico [155]

Answer: 10

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

varies directly means: \frac{y}{x} = k

Step 1: solve for k   ⇒  \frac{21}{5} = k

Step 2: plug in the given value and k to solve for the missing value: \frac{42}{x} = \frac{21}{5}

42(5) = 21(x)

\frac{42(5)}{21} = \frac{21(x)}{21}

2(5) = x

10  = x


5 0
3 years ago
If the average of b and c is 8, and d=3b-4, what is the average of c and d in terms of b?
Olegator [25]

Answer:

b+6

Problem:

If the average of b and c is 8, and d=3b-4, what is the average of c and d in terms of b?

Step-by-step explanation:

We are given (b+c)/2=8 and d=3b-4.

We are asked to find (c+d)/2 in terms of variable, b.

We need to first solve (b+c)/2=8 for c.

Multiply both sides by 2: b+c=16.

Subtract b on both sides: c=16-b

Now let's plug in c=16-b and d=3b-4 into (c+d)/2:

([16-b]+[3b-4])/2

Combine like terms:

(12+2b)/2

Divide top and bottom by 2:

(6+1b)/1

Multiplicative identity property applied:

(6+b)/1

Anything divided by 1 is that anything:

(6+b)

6+b

b+6

3 0
2 years ago
Read 2 more answers
Of 12 eggs in a refrigerator 5 are rotten. From these 4 eggs are chosen at random to make a cake. What is the probability that a
attashe74 [19]
This could be a trick question. Based on the wording of the question “from these”, it would infer that the eggs are selected from rotten ones. This is a dangling participle.

So, the trick question answer is 0% that exactly one is rotten and 100% that All are rotten.

6 0
3 years ago
Two numbers has the same greatest common factor as 27 and 36 have. Which two numbers could it be? 9 and 12, 12 and 18, 18 and 45
Vsevolod [243]
9 is the GCF of 27 and 36, and also of 18 and 45.
8 0
3 years ago
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