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Vesna [10]
2 years ago
8

PLEASE HELP WILL GIVE BRAINLEST

Mathematics
1 answer:
kifflom [539]2 years ago
4 0

Answer:

y=3

Step-by-step explanation:

x=-3y+3

(-3y+3)-3y=-15

-6y=-18

y=3

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Step-by-step explanation:

3 0
2 years ago
ere is a picture of a cube and the net for this cube. What is the surface area of this cube? A. 1,350 mm2 B. 450 mm2 C. 225 mm2
lord [1]
Hello!

To find the surface area of a cube you do 6a^{2} where "a" is the length of one of the sides.

So 6 *15^{2} = 1350

the answer is 1350mm^{2}

Hope this helps!
8 0
2 years ago
Find the roots of each equation by factoring
Korolek [52]

Answer:

x=7 x=-7

Step-by-step explanation:

Solution is attached.

7 0
3 years ago
The water level at your dock is 5 ft above sea level. The tide goes out and the water decreases by 8 ft. What integer represents
Tanya [424]

Answer:

-3

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Mike hiked to a lake in 4.5 hours at an average rate of 2
aleksandrvk [35]

Answer:

It took Pedro  <em>3.81 hours</em> to reach the lake.

Step-by-step explanation:

Time taken by Mike to hike a lake = 4.5 hours

Average rate of Mike while hiking the lake = 2\frac{1}{5}\ miles/hr

Formula for distance can be seen as:

Distance = Speed\times Time

Distance traveled by Mike = 4.5 \times 2\frac{1}{5} = 4.5\times \frac{11}{5} = 9.9\ miles

Rate of Pedro while hiking the same distance = 2\frac{3}{5}\ miles/hr = \frac{13}{5}\ miles/hr

Given that, Pedro also travels the same distance.

And we have to find the Time.

Time = \dfrac{Distance}{Speed}

Time = \dfrac{9.9}{\frac{13}{5}}\\\Rightarrow Time = \dfrac{9.9\times 5}{13} = \bold{3.81\ hours}

It took Pedro  <em>3.81 hours</em> to reach the lake.

6 0
2 years ago
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