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zheka24 [161]
3 years ago
11

based on the samples, about how many mystery books will the book store sale rounded to the nearest whole number

Mathematics
1 answer:
Advocard [28]3 years ago
4 0

Answer:

um 7]

Step-by-step explanation:

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Answer correctly asap don’t troll!!!
Bogdan [553]

Answer:

yes

Step-by-step explanation:

it just needs to have three sides

7 0
3 years ago
Find numbers between -.27 and -.28
Ede4ka [16]

Answer:

that is literally so easy just add some type of fraction

Step-by-step explanation:

-.27 1/10

-.27 2/10

-.27 3/10

etc.

8 0
3 years ago
Line a is parallel to line b, m 6=85 and m 3=2x. Find m 1.
FromTheMoon [43]
The sum of the angles <6 and <3 must be 180. Since <3 and <1 are opposed to the top, their measure are equal. We need then to calculate the measure of angle >3 = 180 - <6 = 180-85=95

m(<1) = 95 

8 0
3 years ago
A customer goes to a bank and gets change for a $100 bill. The change is to be in $1, $5, and $10 bills. There were four times a
alexira [117]

Answer:

12

Step-by-step explanation:

x = number of $1 bills

y = number of $5 bills

z = number of $10 bills

We know that:

x + y + z = 25 (total amount of bills)

x + 5y + 10z = 100 (total amount of money)

y = 4z (Given)

Substitute the third equation into the first one.

x + 4z + z = 25

x = 25 - 5z

Put this into the second equation.

(25 - 5z) + 5 (4z) + 10z = 100

Simplify and solve.

25 - 5z + 20z + 10z = 100

25z + 25 = 100

25z = 75

z = 3

Substitute this into y = 4z

y = 4 * 3

y = 12

So, there are 12 $5 bills.

5 0
3 years ago
Read 2 more answers
Evaluate this expression <br><br> <img src="https://tex.z-dn.net/?f=8%5E%7B-2%7D" id="TexFormula1" title="8^{-2}" alt="8^{-2}" a
shepuryov [24]

Answer:

0.015625

Step-by-step explanation:

Rule: a^{-n} = \dfrac{1}{a^n}

8^{-2} = \dfrac{1}{8^2} = \dfrac{1}{64} = 0.015625

6 0
3 years ago
Read 2 more answers
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