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Verdich [7]
2 years ago
13

1. Which of the following

Mathematics
1 answer:
Harrizon [31]2 years ago
8 0

(-19,7) (4, 15) hshw wjwhw

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I need help on this problem please help me.
a_sh-v [17]

Answer:

150 mL

Step-by-step explanation:

Let x represent the quantity of 75% solution needed. The total amount of alcohol in the 60% mixture will be ...

75%·x + 10%·45 = 60%·(x+45) . . . . . there will be x+45 mL of solution in the end

0.15x = 22.5 . . . . . . . . . . . . . . . . . . . . simplify, subtract .60x+4.5

22.5/0.15 = x = 150 . . . . . . . . . . . . . . mL of 75% solution needed

You will need 150 mL of the 75% solution.

3 0
3 years ago
A car goes from rest to 50 m/s in 5 seconds. What is the acceleration?
AVprozaik [17]
The acceleration is 10 because 50 divided by 5 is 10.
3 0
3 years ago
Math III WSD CRC QT 1.25 CR
Semenov [28]

Answer:

5ff5yvy hh h

Step-by-step explanation:

ctvtvh j h h h j

8 0
3 years ago
If LM = 6, what is the perimeter of △PKQ?
Tanya [424]
16 i believe
ur welcome
7 0
3 years ago
Read 2 more answers
HELP PLS Miguel wants to bike a total of 100 miles over the course of one week in the summer. He logs how much he bikes each day
Troyanec [42]

Answer:

15.6 miles needed for Sat. and Sun.

Step-by-step explanation:

100-(total of all the days)=how many miles he needs on Sat. and Sun.

100-84.4=15.6 miles needed

8 0
3 years ago
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