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qwelly [4]
3 years ago
13

Hello im new could you help

Mathematics
2 answers:
alekssr [168]3 years ago
8 0
Yes that’s the right one I did the math.
Goryan [66]3 years ago
4 0

$28.80 hope I helped


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At a sale, dresses were sold for $22 each. This price was 55% of a dress's original price. How much did a dress originally cost?
-BARSIC- [3]

Answer:

$9.90

Step-by-step explanation: I DID THE WORK. SIMPLE

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2 years ago
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Solve x= 12x + 15.<br> Do not include extraneous solutions.
ozzi

Answer:

x = 12x + 15 \\ 12x - x =  - 15 \\  \\ 11x =  - 15 \\ x =  -  \frac{15}{11}

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2 years ago
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What is the shortest board a man must buy in order to cut 3 sections from it, each 4 feet 8 inches long?
kakasveta [241]

Convert the mixed number to inches. 3 feet 8 inches = 44 inches (12 inches per foot x 3 feet= 36 inches + 8 inches= 44 inches). 44 inches (length each section needs to be) x 4 (number of sections needed)=176 inches (total molding needed). To determine the amount of molding needed in feet, convert 176 inches into feet by dividing 176 inches by 12 inches. You get 14 2/3 feet, so the shortest board length is 15 feet.

7 0
2 years ago
I need help with this problem
Soloha48 [4]

Answer:

3.\ \dfrac{3x}{11x}, \dfrac{6}{22},  \dfrac{9}{33},\dfrac{12}{44}

4. -18\\5.\ 400

Step-by-step explanation:

<u>Solution 3:</u>

Equivalent fractions to are to \frac{3}{11} be found out.

<u>Method: </u> By Multiplying both the denominator and numerator with the same number, we can easily find equivalent fractions.

1. Multiply with 2:

\dfrac{3 \times 2}{11 \times 2}\\\Rightarrow \dfrac{6}{22}

2. Multiply with 3:

\dfrac{3 \times 3}{11 \times 3}\\\Rightarrow \dfrac{9}{33}

3. Multiply with 4:

\dfrac{3 \times 4}{11 \times 4}\\\Rightarrow \dfrac{12}{44}

If we try to write in variable form, it can be written as:

\dfrac{3x}{11x}

where x is any number.

---------------

<u>Solution 4:</u>

(2x-10) when x=-4

2 \times (-4) -10\\\Rightarrow -8 -10\\\Rightarrow -18

------------

<u>Solution 5:</u>

(10a)^2, a=-2\\\Rightarrow \{10 \times (-2)\}^2\\\Rightarrow (-20)^2\\\Rightarrow 400

4 0
2 years ago
Which of the numbers below are exactly divisible by 9?
ss7ja [257]
B and C can be divided by 9.
8 0
3 years ago
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