X − 3 4 = 8 Which value of x satisfies this equation?

On Saturday Stella worked for two hours helping her mother in the house. she spent 1/3 of her time doing laundry, 1/4 of a time

raketka [301]

$\bf \stackrel{\textit{total hours time}}{2}-\cfrac{1}{3}-\cfrac{1}{4}\impliedby \textit{we'll use an LCD of \underline{12}}
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2-\cfrac{1}{3}-\cfrac{1}{4}\implies \cfrac{(12\cdot 2)~-~(4\cdot 1)~-~(3\cdot 1)}{12}\implies \cfrac{24-4-3}{12}\implies \cfrac{17}{12}
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\textit{12 goes into 17 \underline{1 time} and it has a \underline{remainder} of 5 }\implies 1\frac{5}{12}$

which is one hour and 25 minutes.

7 0

3 years ago

PLZ HELP

belka [17]

Answer:

425261625

Step-by-step explanation:

1+2-4252+425251-34%+5%

4 0

3 years ago

I don’t know how to do this question

lubasha [3.4K]

let x represent the number of apples and y represent the number of oranges.

TOTAL: x + y = 112

y = 112 - x

PEELED: $\frac{3}{8}x = \frac{1}{2}y$

$(8)\frac{3}{8}x = (8)\frac{1}{2}y$

3x = 4y

3x = 4(112 - x)

3x = 448 - 4x

7x = 448

x = 64

y = 112 - x

= 112 - 64

= 48

a) There are 64 apples and 48 oranges

Peeled apples: $\frac{3}{8}x = \frac{3}{8}(64)$ = 3(8) = 24

Unpeeled apples: 64 - 24 = 40

Unpeeled - Peeled: 40 - 24 - 16

b) there are 16 more unpeeled apples than peeled apples

5 0

3 years ago

Three friends, Maria, Sarah, and Ruth, spend $356.50, $365.50, and $356.60,

Likurg_2 [28]

Answer:

Im guessing ruth...

Step-by-step explanation:

not very clear on question

7 0

2 years ago

Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard deviation of 20. if all iq sco

Svetlanka [38]

Let X be the iq score of adults. X is normally distributed with mean of 100 and standard deviation of 20.

If all iq scores are converted to z -scores then we will get z scores. And the z score is standard normal variable with mean=0 and standard deviation =1

Hence the mean and standard deviation of of all z scores will be 0 and 1 respectively.

6 0

3 years ago