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SVETLANKA909090 [29]
3 years ago
6

(−9+6.8−1.2)·(−0.49−0.51)

Mathematics
2 answers:
zmey [24]3 years ago
6 0

Answer:

3.4

Step-by-step explanation:

(−9 + 6.8 − 1.2) · (−0.49 − 0.51)

(−3.4) · (−1)

3.4

slega [8]3 years ago
4 0

Answer:

3.4

Step-by-step explanation:

(−9 + 6.8 − 1.2) · (−0.49 − 0.51)

(−3.4) · (−1)

3.4

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Fan can clean the garage in 3 hours, but it takes Angie 4 hours to do the same. How long would it take for them to clean the gar
kupik [55]

Answer:

1 5/7 hours.

Step-by-step explanation:

1/3+1/4 = 7/12

1/7/12= 1.714 hrs

6 0
3 years ago
At the movie theatre, child admission is $5.10 and adult admission is $9.70. On Thursday, 128 tickets were sold for a total sale
kvv77 [185]

Answer:

53

Step-by-step explanation:

Let x be the number of children tickets sold and y be the number of adult tickets sold. Then

x+y=128.

The cost of x children tickets is $5.10x and the cost of y adult tickets is $9.70y, so

5.10x+9.70y =896.60.

From the first equation,

x=128-y,

then

5.10(128-y)+9.70y=896.60,\\ \\652.80-5.10y+9.70y=896.60,\\ \\4.60y=243.8,\\ \\y=53.

53 adult tickets were sold.

6 0
3 years ago
Question 1:
Dominik [7]
14+2x=62        (x=Pass cost)
-14        -14
(2x=48)/2
x=24

6.50+5.75+1.15x=18
12.25+1.15x=18
-12.25          -12.25
1.15x=5.75 divide both sides by 1.15
x=5

5 0
3 years ago
Help me please!
olga nikolaevna [1]

Answer:

B

Step-by-step explanation:

Well you can get rid of c and d since 9^2 = 81. so 74 is less than 81 so it's definitely less than 9. Now, we know it's between 8 and 9. try multiplying 8.5 x 8.5 = 72.25. So our ranges are

A) 64 - 72.25

B) 72.25 - 81.

74 falls between 72.25 - 81. So it'll be B

3 0
2 years ago
At the end of the summer, I decide to drain the swimming pool
Bess [88]
20% is the answer. 20%
5 0
2 years ago
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