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kodGreya [7K]
3 years ago
15

Will give brainiest

Mathematics
2 answers:
Usimov [2.4K]3 years ago
7 0

Answer:d

Step-by-step explanation:

Bc

HACTEHA [7]3 years ago
5 0

Answer:9

Step-by-step explanation:

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3) 2x + 4y = 0<br> y = -8x
Lyrx [107]

Answer:

x=0

Step-by-step explanation:

2x+4(-8x)=0

2x+-32x=0

-30x=0

x=0

3 0
3 years ago
Use the properties of logarithms to write the following expression as one logarithm.
raketka [301]

Answer:

Step-by-step explanation:

hi! the log properties say that when logs are multiplied as log(xy), they can be expanded and added like log(x)+log(y). when logs are divided like log(x/y), they can be expanded as log(x)-log(y). when the log has an exponent like log(x^y), the exponent can be added to the front of the log like ylog(x). we can use these properties for this problem.

ln(x^3)+ln(y^2)-ln((x+1)^4)

ln(x^3*y^2)-ln((x+1)^4)

ln(\frac{(x^3y^2)}{((x+1)^4)})

6 0
3 years ago
3 is to 15 as 4 is to
Andrei [34K]

Answer:

20

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The radius r of a sphere is 8.5mm. calculate the sphere's volume v
IRINA_888 [86]
Volume = 4/3 * PI * r^3
Volume = 4/3 * PI * 8.5^3
<span>Volume = 4.18879</span> * <span> <span> <span> 614.125 </span> </span> </span>
Volume = <span> <span> <span> 2,572.44 cubic centimeters

</span></span></span>



4 0
3 years ago
Maggie answered 20 out of 25 questions correctly on a math test. What percent of the questions did she answer correctly?
andrew11 [14]

Answer:

80%

Step-by-step explanation:

20/25 = 80%

7 0
3 years ago
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