3 years ago

Please help with math

Mathematics

1 answer:

irakobra [83]3 years ago

8 0

Answer:

5 and 6

Step-by-step explanation:

You have to find two numbers (in the chart) that have a difference of 3/8.

This is just one possiblity, there are other correct answers.

There is size 5 and 6. 9 and 4/8-9 and 1/8=3/8.

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If a mom has 3 kids who are 18, 16, and 26 how old is the mother

Tems11 [23]

Answer:

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3 0

3 years ago

How do I round 1.414213562km to the nearest metre? I don't understand when a questions asks how to round to the nearest m, cm or

fomenos

Answer:

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Step-by-step explanation:

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Your welcome

7 0

3 years ago

How do you solve 4x squared - 12x = 7 (ALGEBRAICALLY)

amm1812

$4x^2-12x=7 \\
4x^2-12x-7=0 \\ \\
a=4 \\ b=-12 \\ c=-7 \\ b^2-4ac=(-12)^2-4 \times 4 \times (-7)=144+112=256 \\ \\
x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-(-12) \pm \sqrt{256}}{2 \times 4}=\frac{12 \pm 16}{2 \times 4}=\frac{4(3 \pm 4)}{2 \times 4}=\frac{3 \pm 4}{2} \\
x=\frac{3-4}{2} \ \lor \ x=\frac{3+4}{2} \\
x=-\frac{1}{2} \ \lor \ x=\frac{7}{2} \\ \\
\boxed{x=-\frac{1}{2} \hbox{ or } x=\frac{7}{2}}$