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Fynjy0 [20]
3 years ago
15

If x + y = x y = 5 then x ^2 y + X Y ^ 2 equals​

Mathematics
1 answer:
VikaD [51]3 years ago
3 0

Answer:

25

Step-by-step explanation:

Note x^2y + xy^2 = xy(x+y)

We know xy = 5 and x+y = 5, so

5*5=25

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HELP IS MUCH NEEDED :)
ElenaW [278]
∠ADC = 112°
∠ADC =6x + 7 + 12x - 3

Equate both:
6x + 7 + 12x - 3 = 112

Solve for x :
6x + 7 + 12x - 3 = 112

Combine like terms:
18x + 4= 112

Take away 4 from both sides:
18x = 108

Divide both sides by 18:
x = 6

Find ∠ADB:
6x + 7 = 6(6) + 7 = 43


Answer: ∠ADB = 43°

5 0
3 years ago
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HELPPP!!!!!!!!!<br> A number, n, is multiplied by -5/8. The product is -0.4. What is the value of n?
hjlf

Answer:

0.01

Step-by-step explanation:

you just have to do the opposite. Since the is n*-5/8 you want to use inverse operation and do -0.4 divided by -5/8 when you do that you end up with 0.01. So the value of n is 0.01

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3 years ago
PLEASE HELP ASAPPP !!! WILL GIVE BRAINLIEST AND 5 STAR RATING
natta225 [31]

Answer:

1/3

Step-by-step explanation:

4 0
2 years ago
I need awnsers for questions 1, 3, and 5! WITH WORK PLEASE! GIVING BRAINLYST!
Crazy boy [7]

Answer:

number one is the 45 feet number three is the 12 one i think and five is 70

Step-by-step explanation:

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6 0
3 years ago
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Given log Subscript 3 Baseline 2 almost-equals 0. 631 and log Subscript 3 Baseline 7 almost-equals 1. 771, what is log Subscript
kari74 [83]

You can use the properties of logarithm to get to the solution.

The approximate value for given term is given by

log_3(14) \approx 2.402

<h3>What is logarithm and some of its useful properties?</h3>

When you raise a number with an exponent, there comes a result.

Lets say you get

a^b = c

Then, you can write 'b' in terms of 'a' and 'c' using logarithm as follows

b = log_a(c)

Some properties of logarithm are:

log_a(b) = log_a(c) \implies b = c\\\\\log_a(b) + log_a(c) = log_a(b \times c)\\\\log_a(b) - log_a(c) = log_a(\frac{b}{c})

<h3>Using the above properties</h3>

log_3(2) + log_3(7) = log_3(2 \times 7) = log_3(14)\\\\0.631 + 1.771  = log_3(14)\\\\log_3(14) = 2.402

Thus,

The approximate value for given term is given by

log_3(14) \approx 2.402

Learn more about logarithm here:

brainly.com/question/20835449

5 0
2 years ago
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