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ycow [4]
3 years ago
7

Work out the angles marked with letters. Give reasons for each answer.

Mathematics
1 answer:
german3 years ago
5 0
A. angel a is 50 bc since it is isosceles, the two ungiven angles equal the same (180-80=100, 100/2=50)
B. 180=28+28+b, 180=56+b, 124=b
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What is 713.49 written in standard form​
Fantom [35]
It’s Seven Hundred Thirteen point forty-nine
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What would you have to do to make the line y = 2x -7 steeper on the coordinate plane?
ValentinkaMS [17]
The slope, if increased, would make the line y=2x-7 steeper. If you were to increase the y intercept, you would just move the line, not tilt it. Suggest changing it to 4x-7 = y or 8x-7= y, if you increase the slope, it'll make it steeper.
6 0
3 years ago
What is the inverse function of d(x) = 2x - 4?
zysi [14]

Answer:

d^{-1}(x) = \frac{x+4}{2}

Step-by-step explanation:

let d(x) = y and rearrange making x the subject, that is

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Change y back into terms of x, so

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7 0
3 years ago
In august the simons water bill was $48.in September it was 15% lower . What was the simons water bill in September
slega [8]
Water bill of Simons in the month of August = $48
Percentage of bill that was lower in the month of September = 15%
then
Amount of bill that was lower in the month of September = (15/100) * 48
                                                                                           = 720/100 dollars
                                                                                           = 7.2 dollars
So
The bill for the month of September = (48 - 7.2) dollars
                                                          = 40.8 dollars
So Simon will have to pay $40.8 as the water bill for the month of September. I hope the procedure is clear enough for you to understand.
3 0
3 years ago
Read 2 more answers
Please help me solve this question ! ​
AlexFokin [52]
(d) 18/48

That’s the only value that’s not negative compared to the rest
3 0
2 years ago
Read 2 more answers
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