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stiks02 [169]
3 years ago
5

ill give brainliest!! Solve these equations for the variable. Check your solutions. please put the answers to this

Mathematics
1 answer:
natima [27]3 years ago
4 0

Answer:

I have done one question for you

hope it helps

plz Mark as brainlist

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The distance a vehicle travels can be found by using the formula d = rt, where d is the total distance traveled, r is the rate o
stellarik [79]

Answer:

She spends 2 hours driving.

Step-by-step explanation:

The formula given is:

d = rt

In which d is the distance traveled, r is the rate of speed, and t is the amount of time spent traveling.

Grace drives her truck a distance of 80 miles at a steady speed of 50 miles per hour.

This means that d = 80, r = 50

To the nearest hour, how many hours does she spend driving?

We have to find t. So

d = rt

50t = 80

t = \frac{80}{50}

t = 1.6

Rounding to the nearest hour

She spends 2 hours driving.

4 0
4 years ago
Solve the system using substitution. x+y=-2 and x-y=-8
Novay_Z [31]

Answer:

1) x+y=-2

x=-2-y

2) x-y=-8

substitude value of x

(-2-y)-y=-8

-2-2y=-8

-2y=-6

y=3

Substitute value of y in 1

x=-2-3

x=-5

Brainliest please~

5 0
4 years ago
I need some help with this
velikii [3]
The image shown is 3 units high and 4 units wide. The dilated image will be 3/4 units high and 4/4 = 1 unit wide. The area of the image will be
  A = (1/2)bh
  A = (1/2)(1)(3/4) = 3/8 . . . . square units
8 0
4 years ago
Carter is practicing for his school band showcase. Each day Carter practices for 1 hour.
vivado [14]
No, i believe it’s yes hope this helps
5 0
3 years ago
Please help. I’ll mark you as brainliest if correct! Thank you
Olin [163]

Answer:

8 pounds of cheaper candy,

17.5 pounds of expensive candy

Step-by-step explanation:

Let's define some variables. Let's say the amount of pounds of candy that sells for $2.20/lb is x, and the $7.30 is y. Now we can write some equations!

x + y = 25.5

\frac{2.2x + 7.3y}{25.5} = 5.7

We can start substitution. We can say that x = 25.5 - y. Plugging this into our second equation, we get:

y = 17.5

Plugging this in, we find that:

x = 8.

5 0
4 years ago
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