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Alexus [3.1K]
3 years ago
8

An electrician changes a flat fee plus an hourly rate for a service call. She changes a total of $94 For a 3-hour service call o

n Monday and $130 for a 5-Your service call on Tuesday. how much should she change for 2-hour service call?
Mathematics
2 answers:
AnnyKZ [126]3 years ago
8 0

$56 (might be wrong but thatś what I got)

LenKa [72]3 years ago
4 0

flat rate is $40  + $ 18 per hour

3 hour = $18 x 3 = $54  + flat rate $ 40 = $ 94

5 hour = $ 18 x 5  = $90  + flat rate $ 40 = $130

2 hour = $ 18 x 2 = $ 36 + flat rate $ 40 = $ 76

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There are 18 girl in a class and boys in the class is 3:2. Find the number of boys.​
Sunny_sXe [5.5K]

Answer

12

Explanation

2xand 3x

let 3 be 3x

3x=18

X=18/3

X=6

now

2x=2multiply6

12

the number of boys is 12

8 0
3 years ago
Use the table below to determine the approximate height of the flag pole.
Artyom0805 [142]

Answer:

B 17.5 ft

Step-by-step explanation:

tangent = opposite / adjacent

tan 35° = h / 25

multiply both sides by 25

h = 25 (tan 35°)

tan 35° = 0.70 (from your calculator)

h = 25 (0.70)

h = 17.51 ft.

3 0
2 years ago
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Y_Kistochka [10]
The exponent 4 needs to be applied to both 3 and x, so we would have:
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9 * 9 * x^4.
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6 0
3 years ago
Read 2 more answers
What is a 3, 4, 5 triangle?
Alexandra [31]

Answer:

<em>A special right triangle is a right triangle with some regular feature that makes calculations on the triangle easier, or for which simple formulas exist. For example, a right triangle may have angles that form simple relationships, such as 45°–45°–90°. This is called an "angle-based" right triangle.</em>

Step-by-step explanation:

Hope this helps

Have a nice day :)

5 0
2 years ago
Read 2 more answers
Evaluate 7 + (-3x^2) For x = 0<br><br>A. -2<br>B. 0<br>C. 4<br>D. 7​
Goryan [66]

Answer:  D. 7

Step-by-step explanation:

The problem tells you that x = 0 so replace everything that is x in the equation with 0 so the problem becomes

7 + (-3(0)^2)

Now we just solve the problem normally.

solve the problem in the parenthesis first, we must multiply -3 times 0^2 is 0

so now our problem is 7 + 0 which is 7

8 0
3 years ago
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