3 years ago

Add. *

Mathematics

1 answer:

Ann [662]3 years ago

3 0

Answer:

31x³-60x²+7x-75

Step-by-step explanation:

(30x³-49x³+7x)+(50x³-60x²-75)

(-19x³+7x)+(50x³-60x²-75)

-19x³+50x³+7x-60x²-75

31x³-60x²+7x-75

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How to solve this equation 18.5 = -4.5 + 7(k + 6)

yawa3891 [41]

1. Add -4.5 to 18.5
2. Divide 23 by 7
3. Then subtract 6 from -2.7

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2 years ago

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How are √25 and √-25 different in the terms of a solution for both? *

Tanya [424]

Answer:

For $\sqrt{25}$ it will be plus or minus $\sqrt{5}$

For $\sqrt{-25}$ it will be plus or minus $\sqrt{5i}$

Step-by-step explanation:

Well for $\sqrt{-25}$ it will be 5i

Because i = -1

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3 years ago

Solve this and show work

just olya [345]

Answer:

1.71

Step-by-step explanation:

x/4 = 3/7

4 * 3 = 12

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2 years ago

Please help me with this will give BRAINLIST to best answer

In-s [12.5K]

Answer:

$\frac{3}{b^{0}b^{4} }$

Step-by-step explanation:

Move $b^{-4}$ to the denominator in $\frac{3b^{-4} }{b^{0} }$

using the negative exponent rule $b^{-n} =\frac{1}{b^{n} }$

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2 years ago

In ΔBCD, the measure of ∠D=90°, DC = 12, BD = 35, and CB = 37. What is the value of the tangent of ∠B to the nearest hundredth?

Maru [420]

Answer:

0.34

Step-by-step explanation:

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2 years ago