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Ilya [14]
3 years ago
9

URGENT!! Really need help on this test

Mathematics
1 answer:
mestny [16]3 years ago
3 0

Answer:

17

Step-by-step explanation:

triangle has 180 degrees

equation

90+53+(2x+3)=180

146+2x=180

2x=34

x=17

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To go on the class trip, chang needs at least $125. he has saved $45, and he makes $7 an hour at his job. what is the minimum nu
Murljashka [212]
The total amount that Chang will received from his wages is the product of his hourly wage times the number of hours he has worked (n). His total savings should not be less than $125. The equation that best describes the situation is, 
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Solving for n in the inequality gives an answer of n≥11.42 hours. Thus, he needs to work for at least 12 hours.
6 0
3 years ago
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A cone has a volume of 2,355 cubic inches and a height of 10 inches. How many inches is the diameter of the cone
Neporo4naja [7]

Hello there,

Okay well first we right down what we already know:

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 - the height is 10 inches

Now we write down the equation for the volume of a cone: V = πr²\frac{h}{3}

  • lets plug in what we know into the equation

                                     2,355 = πr²\frac{10}{3}

  • now we simplify to solve for r

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  • now since its r² we take the square root of 224.89

                            r = 15 inches

  • for diameter we multiply 15 by 2

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Hope I helped,

Amna

4 0
3 years ago
98% of a number is 294. What is 1% of the number? A)   3 B)   29.4 C)   288.12 D)   300
Bas_tet [7]
The answer is A) because 98% of 300 is 294 and 1% of 300 is 3; first just divide 294 by 98% (.98) and u get 300 then multiply 300 by 1% (.01) and u get 3
7 0
4 years ago
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trapecia [35]

Answer:

i think it is number 1

Step-by-step explanation:

5 0
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Ray Of Light [21]

Answer:

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Step-by-step explanation:

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each sheet has 8 pages

each notebook has 200 pages so,

75000x8=600000

600000/200=3000

8 0
3 years ago
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