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ANTONII [103]
3 years ago
6

Two mechanics work on a car . The first mechanic worked 10 hours and the second mechanic worked for 15 hours. Together they char

ged a total of $2050. What was the rate charged by each mechanic if the sum of the two rates was $16 per hour? Please help
Mathematics
2 answers:
bonufazy [111]3 years ago
8 0

Answer:

110

Step-by-step explanation:

Let x = rate #1 and then 155-x=rate #2.

15x + 5(155-x) = 1225

15x - 5x + 775 - 1225

10x = 450

x = 45, second rate is 110

katrin2010 [14]3 years ago
8 0
The answer is 110 I hope this helps
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Jane was baking cookies. She needed 1/3 cup sugar and 1 2/4 cups flour. How much more flour does she need than sugar?
Bas_tet [7]

Answer:

1 and 1/6 cups more

Step-by-step explanation:

1/3 cup sugar

*1 2/4 cups flour = 6/4 cups flour

*assuming it’s 1 and 2/4 and not 12/4 =3

6/4 - 1/3 = (18-4)/ 12 = 14/ 12 = 1 and 1/6

7 0
3 years ago
15. What's the sum of 3/8 and 1/16?<br> 1/6 7/16 4/24 1/4
allsm [11]

Answer:

7/16

Step-by-step explanation:

1. you have to have the same denominator

7 0
3 years ago
Read 2 more answers
Geometric sequence find common ratio 0.45,0.9,1.8
prisoha [69]

Answer:

<h3>The common ratio is 2</h3>

Step-by-step explanation:

To find the common ratio of the geometric sequence divide the previous term by the next term

That's

0.9 / 0.45 = 2

1.8 / 0.9 = 2

Therefore the common ratio is 2

Hope this helps you

7 0
3 years ago
Which two values of x are the roots of the polynomial below? <br> x^2+5x+11
In-s [12.5K]

Answer:

x = -5/2 + i√19 and x = -5/2 - i√19

Step-by-step explanation:

Next time, please share the possible answer choices.

Here we can actually find the roots, using the quadratic formula or some other approach.

a = 1, b = 5 and c = 11.  Then the discriminant is b^2-4ac, or 5^2-4(1)(11).  Since the discriminant is negative, the roots are complex.  The discriminant value is 25-44, or -19.

Thus, the roots of the given poly are:

      -5 plus or minus i√19

x = -----------------------------------

                     2(1)

or x = -5/2 + i√19 and x = -5/2 - i√19

5 0
3 years ago
Read 2 more answers
What conversion factor would you use to solve thikproblem?
ira [324]

Conversion factor is the term that is to be multiplied to a variable when converting between units. The conversion factor is: 2.20lbs /kg

Given that:

54kg \to x\ lbs

From standard unit of conversion:

1kg = 2.20lbs

So, we have:

54kg \to x\ lbs

1kg = 2.20lbs

Cross multiply

54kg \times 2.20lbs = xlbs \times 1kg

Divide both sides by 1kg

54kg \times 2.20lbs /kg= xlbs

Rewrite as:

x = 54kg \times 2.20lbs /kg

Hence, the conversion factor is: 2.20lbs /kg

Read more about conversion factors at:

brainly.com/question/6988886

8 0
2 years ago
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