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3 years ago

10 points to whoever answers this CORRECTLY and QUICKLY. Thanks

Mathematics

1 answer:

Ainat [17]3 years ago

4 0

1 solution

x = -1/2

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Each car on a computer train holds 20 people. On a particular morning, 5 cars were 90% full and 3 cars were 65% full. If the peo

madam [21]

Answer:

7 cars

Step-by-step explanation:

The computation of the number of cars to be filled is shown below:

A car that is 90% full and the total people is 20 so 90% would be

= (.90)(20)

= 18

A car that is 65% full and the total people is 20 so 65% would be

= (.65)(20)

= 13

Now

Total number of people = (5)(18) + (3)(13).

= 129

Now the number of cars to be filled is

= 129 ÷ 20

= 6.45

= 7 cars

7 0

3 years ago

What times 4/5 equals 3/4

bagirrra123 [75]

Answer:

15/16

Step-by-step explanation:

4/5 x=3/4

x=(3/4)/(4/5)

x=15/16

6 0

3 years ago

One day Mr. Pritz drove for 6 1/3 hours. The next day he drove 9 1/2 hours. For how many hours did he drive during the two days?

maks197457 [2]

Answer:

Step-by-step explanation:

First convert them into improper fractions: $6\frac{1}{3} =\frac{19}{3}$ and $9\frac{1}{2} =\frac{19}{2}$ . Now we add: $\frac{19}{2}+\frac{19}{3}=\frac{95}{6}$ or $15\frac{5}{6}$ .

7 0

3 years ago

Using the ratio of perfect squares method, what is square root of 22 rounded to the nearest hundredth?

Alja [10]

$4+ \frac{22-16}{25-16} = \\\\ 4 + \frac{6}{9} =\\\\4 + \frac{2}{3} 
=\\\\ \boxed{\bf{4.67}}$
Using the ratio of perfect squares method, the square root of 22 rounded to the nearest hundredth is 4.67

Hope this helps!! If you have any other questions or would like further explanation just let me know!! :)

5 0

3 years ago

Y = x + 4 y = −2x − 2

miskamm [114]

Y = x + 4
y = -2x - 2

x + 4 = -2x - 2
x + 2x = -2 - 4
3x = -6
x = -6/3
x = -2

y = x + 4
y = -2 + 4
y = 2

solution is (-2,2)

7 0

3 years ago