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faltersainse [42]
3 years ago
15

charlotte is working two summer jobs, making $18 per hour lifeguarding and making $6 per hour walking dogs. In a given week, she

can work at most 15 total hours and must earn a minimum of $150. if charlotte worked 5 hours walking dogs, determine the minimum of whole hours lifeguarding that she must work to meet her requirements.
Mathematics
1 answer:
Natali [406]3 years ago
7 0

Answer:

So, 5 x 6 = 30

150 - 30 = 120

Then find out the number of hours by dividing 120 by 18.

In this case,

120 / 18 = 6.666666666666667

The answer is 6.6 or at estimation 7.

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I really don't get this
diamong [38]
Replace the CIRCLES by A and the SQUARES by B:

1) A + B = 14 And

2) A - B = 2

Add 1) + 2)

A+B   =14
A-B    = 2
------   ----
2A+0 = 16 then A = 16/2 = 8. If A = 8, then B = 6

So the CIRCLE = 8  and the SQUARE = 6



6 0
3 years ago
A jet moving at constant speed traveled 6,600 km in 3 hours. What was the speed of the jet?
DanielleElmas [232]

Answer:

The speed of the jet is 2,200\frac{km}{h}

Step-by-step explanation:

The speed traveled by the jet can be found using the relationship between distance and time. Because the problem gives the values for distance and time, they must be replaced in the equation and in this way the requested speed will be found.

1. Write the general equation for the speed:

Speed=\frac{Distance}{Time}

2. Replace the values of distance and time on the general equation for the speed and make the mathematical operations:

Speed=\frac{6,600km}{3hours}

Speed=2,200\frac{km}{h}

Therefore the speed of the jet is 2,200\frac{km}{h}

3 0
3 years ago
Read 2 more answers
Evaluate (f + g)(x) if f(x) = 2x and g(x) = 3X - 2<br> when x = 3
77julia77 [94]

Answer:

13

Step-by-step explanation:

→ Substitute 3 into 2x

2 × 3

→ Evaluate

f ( x ) = 6

→ Substitute x = 3 into 3x - 2

3 × 3 - 2

→ Evaluate

7

→ Find the sum of the 2 results

13

7 0
2 years ago
Question 1
vivado [14]

Answer:

For Lin's answer

Step-by-step explanation:

When you have a triangle, you can flip it along a side and join that side with the original triangle, so in this case the triangle has been flipped along the longest side and that longest side is now common in both triangles. Now since these are the same triangle the area remains the same.

Now the two triangles form a quadrilateral, which we can prove is a parallelogram by finding out that the opposite sides of the parallelogram are equal since the two triangles are the same(congruent), and they are also parallel as the alternate interior angles of quadrilateral are the same. So the quadrilaral is a paralllelogram, therefore the area of a parallelogram is bh which id 7 * 4 = 7*2=28 sq units.

Since we already established that the triangles in the parallelogram are the same, therefore their areas are also the same, and that the area of the parallelogram is 28 sq units, we can say that A(Q)+A(Q)=28 sq units, therefore 2A(Q)=28 sq units, therefore A(Q)=14 sq units, where A(Q), is the area of triangle Q.

7 0
3 years ago
Read 2 more answers
20 is what percent of 80? Choose the equation to solve the problem
Mila [183]

Answer:

A

Step-by-step explanation:

5 0
2 years ago
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