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Bad White [126]
2 years ago
15

8x − 4y = −16 3x + 15y = −6

Mathematics
1 answer:
mr_godi [17]2 years ago
6 0

Answer:

good job that is correct

Step-by-step explanation:

goooooooooooooooooooooooood joooooooooooooooob

yep

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Brainleist for answering
tiny-mole [99]

Answer:

=50.29

Step-by-step explanation:

The perimeter of a circle is also called the circumference

C = 2 * pi *r

25 1/7 = 2 * 22/7 *r

Rewriting as an improper fraction on the left

(25*7 +1)/7 = 44/7 *r

176/7 = 44/7 r

Multiplying each side by 7/44

7/44 *176/7 = 7/44 *44/7 r

4 = r

We can now find the area by

A = pi r^2

A = (22/7) * 4^2

A = 22/7 * 16

  =352/7

Rounding to the nearest hundredth

  =50.29

6 0
3 years ago
Read 2 more answers
Which one does not belong<br><br>8 27 64 16​
Brums [2.3K]

Answer:

27 doesn't belongs to this group

Was it helpful?

comment down

If there is any kind of suspicious mistake

then sorry

7 0
3 years ago
The depth of a scuba diver can be modeled by the equation d 0.5t (3.5t- 28.25), where d is the depth in meters of the diver and
user100 [1]
We know that

using a graph tool
see the attached figure

<span>The diver reaches the surface when d = 0
</span>so
<span>0.5t (3.5t- 28.25)=0---------> the solution is
0.5t=0--------> t=0
and
</span><span>(3.5t- 28.25)=0----------> 3.5t=28.25--------> t=28.25/3.5--------> t=8.07 minutes
</span><span>

the time it takes for the diver to reach the surface is when the depth is zero
the time is 8 minutes

the answer is 
8 minutes</span>

8 0
3 years ago
I need the answer cause this is for a grade please!!! Jamie has a rectangular room in her home with a width of 8 feet and a diag
FinnZ [79.3K]

Answer:

You can find the diagonal of a rectangle if you have the width and the height. The diagonal equals the square root of the width squared plus the height squared.

92+72−−−−−−√=11.4

Step-by-step explanation:

4 0
3 years ago
The loudest sound, measured in decibels, is calculated using the formula L=10 log, where L is the loudness, and I is the intensi
12345 [234]

The intensity of a fire alarm that measures 125 dB loud is 268,337.29

<h3>Formula and expressions</h3>

Given the expression L=10 logI

where;

  • L is the loudness
  • I is the intensity of the sound.

Given the following parameters

L = 125dB

Substitute the given parameters into the following

L=10 logI

125 = 10logI

logI = 125/10

logI = 12.5

I = e^12.5

I = 268,337.29

Hence the intensity of a fire alarm that measures 125 dB loud is 268,337.29

Learn more on subject of formula here: brainly.com/question/657646

7 0
2 years ago
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