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nadezda [96]
3 years ago
9

Tom got 15 questions right on a test and scored 75%. How many questions were there total on Tom's test?

Mathematics
2 answers:
OverLord2011 [107]3 years ago
4 0

Answer: 20 questions

Step-by-step explanation:

Pani-rosa [81]3 years ago
4 0

Answer:

15/x*100=75

75/100*15=x

x=20

total no. of questions

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Which of the following is a rational number?
hammer [34]

im not sure but I think it is b

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3 years ago
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Grace is comparing cell phone plans. A prepaid phone plan costs $0.20 per minute and has no monthly fee. A contracted phone plan
Mkey [24]

Answer:

The prepaid phone plan will have a steeper line and lower y-intercept.

I hope this is right

Step-by-step explanation:

prepaid phone plan y = .20x

contracted phone plan y = .02x + 50

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Add the following polynomials, then place the answer in the proper location on the grid.
aivan3 [116]

Answer:

x^3 - 6x + 2

Step-by-step explanation:

The given polynomials can be added together by adding like terms together as shown below:

=> Add together, the coefficient of all terms that have the power of 3.

(2x^3) + (x^3) + (-3x^3)

2x^3 + x^3 - 3x^3

3x^3 - 3x^3

x^3

=> (-4x^2) + (6x^2) + (2x^2)

-4x^2 + 8x^2

4x^2

=> (6x) + (-8x) + (-4x)

6x - 8x - 4x

-6x

=> (-3) + (12) +(-7)

-3 + 12 - 7

2

The answer = x^3 - 6x + 2

5 0
3 years ago
Can you use the digits from 1-9 and the four operations (+, -, %, x) to make a 100 (or as close as possible). You can only use e
VladimirAG [237]
I’d just do 25 x 4 and it’s simple as that. Not unless I’m missing something
6 0
3 years ago
Two cross roads ,each width 10m cut at right angle through the centre of a rectangular park of length 700m and breadth 300m and
Dafna11 [192]

Answer:

Step-by-step explanation:

Area of one  road = 700 x 10

7000 sq m

area of another road

= 300 x 10 = 3000sq m

Total area of road

= 7000 + 3000 - 10 x 10

= 9900 sq m

Area of park

= 700 x 300

= 210000 sq m

less area of road

= 210000 - 9900

= 200100 sq m

= 200100 / 10000 hectare

= 20.01 hectare.

7 0
3 years ago
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