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ludmilkaskok [199]
2 years ago
12

(No links!) Ill give brainliest and 20+ points to decent answer and this is due today!

Mathematics
1 answer:
Kaylis [27]2 years ago
4 0

Answer:

The answer for number 1 is Bill, his questions is statistical because he is collecting and analyzing data.  But Lisa is just asking what their favorite book was.

Step-by-step explanation:

moreover ) Lisa, because there can be many answers to the question.

2) 4.5 points.

You might be interested in
Tyrell says $750 is about $800. Sara says $750 is about $700. who is correct? Explain
Dima020 [189]
Tyrell is correct.. If you round it, it is 750. 5 or more up the score, 4 or less let it rest.
6 0
2 years ago
4252.50=(18000)(r)(54)
drek231 [11]

Step-by-step explanation:

do you want to find r?

so do 4252.50/ (18000*54)

5 0
3 years ago
A chemical company makes two brands of antifreeze. The first brand is 55 % pure antifreeze, and the second brand is 80 % pure an
Likurg_2 [28]

We have 55% and 80% antifreeze.  We need 90 gallons of 75%.  

F - 55% and E - 80%

A) F + E = 90

B) .55 F + .80 E = 67.50 (which is .75 * 90)  Multiplying A) by -.55

A) -.55 F -.55 E = -49.50 (which is -.55 * 90) then adding A) & B)

.25 E = 18

E = 72 gallons of 80% and

F = 18 gallons of 55%

********* DOUBLE CHECK ******************

72 * .80 = 57.60  and 18 * .55 = 9.90

57.60 + 9.90 = 67.50 gallons of antifreeze and we have 90 total gallons

(67.50 / 90) * 100 = 75% correct!

Source: 1728.com/mixture.htm


3 0
3 years ago
Could anyone help me with this question? And could you also provide a explanation? I would be so grateful for any help.
Art [367]

Answer:

Step-by-step explanation:

7a(3-a)

7 0
3 years ago
Jack had 3 bags of golf balls with b balls in each bag; then his friend gave him 6 more golf balls. How many golf balls does Jac
earnstyle [38]
Answer= (3 x b)+6

Because you multiply to find the total of the golf balls. Then you'll have to add 6.

Hopefully this helped!
3 0
2 years ago
Read 2 more answers
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