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3 years ago

B. Prove the following using indirect proof.

Mathematics

1 answer:

iren [92.7K]3 years ago

8 0

Answer:

jsjsusjsksksisidjjdsksjks

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MissTica

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3 years ago

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Write the sentences below as a mathematical expression.

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1. a+9

2. 12-x

3. x-7

4. 2a

5. 2a

6. a:8

7. a/3

8. 2(8+a)

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3 years ago

Which expression is equivalent to \frac{10q^5w^7}{2w^3}.\ \frac{4\left(q6\right)^2}{w^{-5}} for all values of q and w where the

mestny [16]

Answer:

$\frac{10q^5w^7}{2w^3}.\ \frac{4\left(q^6\right)^2}{w^{-5}} =20q^{17}w^9$

Step-by-step explanation:

Given

$\frac{10q^5w^7}{2w^3}.\ \frac{4\left(q^6\right)^2}{w^{-5}}$

Required

Determine the equivalent expression

$\frac{10q^5w^7}{2w^3}.\ \frac{4\left(q^6\right)^2}{w^{-5}}$

Simplify the first fraction

$\frac{5q^5w^7}{w^3}.\ \frac{4\left(q^6\right)^2}{w^{-5}}$

Apply law of indices on the first fraction;

$5q^5w^{7-3}.\ \frac{4\left(q^6\right)^2}{w^{-5}}$

$5q^5w^4.\ \frac{4\left(q^6\right)^2}{w^{-5}}$

$\ \frac{5q^5w^4*4\left(q^6\right)^2}{w^{-5}}$

Apply law of indices:

$5q^5w^4*4\left(q^6\right)^2 * w^{5}$

Evaluate the bracket

$5q^5w^4*4 * q^{12} * w^{5}$

Collect Like Terms

$5*4q^5* q^{12}*w^4 * w^{5}$

$20q^5* q^{12}*w^4 * w^{5}$

$20q^{5+12}*w^{4+5}$

$20q^{17}w^9$

Hence:

$\frac{10q^5w^7}{2w^3}.\ \frac{4\left(q^6\right)^2}{w^{-5}} =20q^{17}w^9$

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3 years ago

1,615 ÷ 42 <br><br> Yea a divson prob its easy right I'm just timed two this is 1 minite so plz help

Ghella [55]

Answer:

$38\frac{19}{42}$

I hope this helps!

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Why is 1/6 greater than 1/8 but less than 1/3

horrorfan [7]

Because the denominator (bottom number) of the fraction tells you
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When you cut up the whole thing into 6 pieces, each piece is bigger
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