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Musya8 [376]
3 years ago
12

If the product of two numbers is 21 and the sum is 10 what are the two numbers

Mathematics
2 answers:
egoroff_w [7]3 years ago
8 0
3*7=21
3+7=10
So the two numbers are 3 and 7 

Hope this helped!!! :D
nignag [31]3 years ago
3 0
3 and 7 are the two numbers.
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The level of the tide in a harbor changed from 9 1/4 ft to 4 1/2 ft above sea level over a period of 3 1/4 hr
kumpel [21]

Answer:

The answer is "\bold{- \frac{19}{13} \ / hour}"

Step-by-step explanation:

Please find the complete question in the attached file.

Calculating the difference of 9 \frac{1}{4}\ and \ 4 \frac{1}{2}  dividing the value by 3 \frac{1}{4}

\to 4 \frac{1}{2} - 9 \frac{1}{4}\\\\ \to  \frac{9}{2} - \frac{37}{4}\\\\  \to  \frac{18-37}{4} \\\\ \to -\frac{19}{4}\\\\\to -\frac{19}{4} \div \frac{13}{4}= -\frac{19}{4} \times \frac{4}{13} = -\frac{19}{13}\\

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3 years ago
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MAVERICK [17]

31

hope this is helpful!

4 0
3 years ago
One and a half x + 3/4 x equals 5/8
USPshnik [31]
1 and 1/2x+3/4x=5/8
combine x's
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multiply both sides by 8
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5 0
4 years ago
Read 2 more answers
What's x and y for x=1+y and 2y+x=10
Sav [38]
Substitute the value of x in equation 2. Then you'll get y=3. Then again substitute the value of y in x=1+y, you'll get x=4
8 0
3 years ago
Read 2 more answers
Please help me asap! sorry this si english =(
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