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xxTIMURxx [149]
3 years ago
7

Solve for x. 0.5x+78.2=287

Mathematics
1 answer:
Alona [7]3 years ago
8 0

Answer:

x =417.6

Step-by-step explanation:

0.5x+78.2=287

Subtract 78.2 from each side

0.5x+78.2-78.2=287-78.2

.5x =208.8

Divide each side by .5

.5x/.5 = 280.8/.5

x =417.6

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An airplane travels at 150 miles per hour. The total distance traveled is 637.5 miles. Which equation should be solved to determ
OverLord2011 [107]
The distance (d) traveled by the airplane is the product of multiplying the speed (s) and the trip took (h). The equation is shown below, 
                                           d = s x h
Substitute the known values to the equation, 
                                       637.5 miles = (150 mile/ hour) x h
Manipulating the equation,
                                       h = (637.5 miles) / (150 mile/ hr) 
h is equal to 4.25 hours. 
8 0
3 years ago
Find the mean of the data in the dot plot below.
salantis [7]

The mean of the following dot plot:

Mean: 3

Step-by-step explanation:

0 x 1 = 0

3 x 1 = 3

6 x 1 = 6

(we only add the numbers that only has a dot on the number in the dot plot)

So:

Mean: 0 + 3 + 6 = 9/3 = 3

Read more on Brainly.com - brainly.com/question/16754217#readmore

this was my previous answer from your other question

7 0
3 years ago
Read 2 more answers
One basketball weighs 20.2 ounces. The basketball team has a total of 15 basketballs. If each basketball weighs the same, about
S_A_V [24]
So u will do 20.2*15=303 so ure answer would be 303 oz
6 0
3 years ago
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What is 108+259+301+405
Svetllana [295]

Answer:

1073

Step-by-step explanation:

it's simple addition

8 0
2 years ago
Read 2 more answers
(u+v)*2+2(u+v)-3<br>factorise it completely <br>it's a challenge <br><br><br>​
lions [1.4K]

If you mean

(u+v)^2+2(u+v)-3

you can first substitute x=u+v to get

x^2+2x-3=(x+3)(x-1)

and so

(u+v)^2+2(u+v)-3=\boxed{(u+v+3)(u+v-1)}

3 0
4 years ago
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