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Anestetic [448]
4 years ago
13

3. Find the value of x.

Mathematics
1 answer:
Dafna11 [192]4 years ago
7 0
X is 30 because
x-4x=-90
-3x=-90
x=30
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The cost of having a package delivered has a base fee of $10.80. Every pound over 5 lbs cost an additional $0.41 per pound. Writ
denis-greek [22]
<h3>Answer:</h3>

c. C = 0.41(w - 5) + 10.8

<h3>Explanation:</h3>

(w - 5) will represent the number of pounds over 5. For example, for a weight of 6 pounds, 6-5 = 1 is the number of pounds over 5.

The cost is $0.41 for each pound over 5, so that cost can be represented by ...

... 0.41(w - 5)

This charge is in addition to the base charge of $10.80, so the total cost will be ...

... C = 0.41(w - 5) + 10.80

6 0
4 years ago
A sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. determine
olga2289 [7]

Answer:

157394

Step-by-step explanation:

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8 0
3 years ago
Write an equivalent expression for 4y2+6x-2y2+12x
Bumek [7]

Answer:

2y^2 +18x

Step-by-step explanation:

4y^2+6x-2y^2+12x

Combine like terms

4y^2-2y^2   +6x+12x

2y^2 +18x

4 0
4 years ago
The outcomes of an experiment and the probability of each outcome are given in the table below. Compute the expectation for this
Rzqust [24]

Answer:

Step-by-step explanation:

sum the outcome times the probabilities

5*.5+6*.12+7*.2+8*.08+9*.06+10*.04= 6.2

4 0
3 years ago
CAN SOMEONE PLEASE HELP, ILL GIVE BRAINLIEST.
Jlenok [28]

Answer:

x = 3.5

Step-by-step explanation:

3.5 x 3 is 10.5. Triangle two has been expanded each side by 1.5. So multiply 7 (the side with 3x on the other triangle) x 1.5 to get 10.5. To fid x divide 10.5 by 3. This gives you 3.5 as x.

Hope it helps!

5 0
3 years ago
Read 2 more answers
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