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leonid [27]
3 years ago
5

PLEASE HELP THIS IS MY LAST QUESTIONNNN

Mathematics
2 answers:
Vinil7 [7]3 years ago
7 0

Answer:

500 kilowatt-hours.

Step-by-step explanation:

Let k = number of kilowatt-hours.

0.15k+30=105\\0.15k=75\\k=500

Therefore, Dalton used 500 kilowatt-hours of electricity.

Ray Of Light [21]3 years ago
6 0
5 he used 5 hours or however it is out but it’s “5”
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A baker made 20 pies. A Boy Scout troop buys one–fourth of his pies, a preschool teacher buys one–third of his pies, and a cater
n200080 [17]

Answer:

The number of pies does the baker have left is 15.

Step-by-step explanation:

Given : A baker made 20 pies. A Boy Scout troop buys one–fourth of his pies, a preschool teacher buys one–third of his pies, and a caterer buys one–sixth of his pies.

To find : How many pies does the baker have left?

Solution :

Let x be the number of pies does the baker have left.

According to question,

Number of pies buys,

One-fourth =\frac{1}{4}

One-third =\frac{1}{3}

One-sixth =\frac{1}{6}

i.e. x=20-(20\times \frac{1}{4}+20\times \frac{1}{3}+20\times \frac{1}{6})

x=20-(5+20\times \frac{1}{3}+10\times \frac{1}{3})

x=20-(5+\frac{20+10}{3})

x=20-(5+ \frac{30}{3})

x=20-(5+10)

x=20-(15)

x=5

The number of pies does the baker have left is 15.

7 0
3 years ago
How do you solve and simplify
DedPeter [7]
F(x) = 1/(x+2)   & g(x) = x/(x-3)


(f(x) + g(x) = 1/(x+2) + x/(x-3). Reduce to same denominator:

1/(x+2) + x/(x-3) =(x-3) + x(x-3)/(x+2).(x-3) ==> (x²+3x-3)/(x+2).(x-3)

7 0
2 years ago
Answer ASAP
Yuki888 [10]

Answer:

D. None.

Step-by-step explanation:

Say the obtuse angle is 100 degrees. Since the sum of all angles in a triangle cannot be bigger than 180, it's not possible because 195 (100+95) is greater than 180 degrees. Hope this helps.

6 0
2 years ago
is there really a 2000 average of 3 out of 5 doctors use the brand name and how many doctors use the exact brand aspirin
sukhopar [10]
3/5 * 2000 = 1200. Hope this helped
3 0
3 years ago
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Which expression represents x less than 9? A. x−9 B. 9−x C.−9x−9 D. 9x−9
LiRa [457]
The answer is B. 9 - x. I hope this helps!
7 0
3 years ago
Read 2 more answers
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