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koban [17]
3 years ago
14

What is 3 2/3 divided by 2 1/6

Mathematics
1 answer:
julsineya [31]3 years ago
4 0

Answer:

Exact form:

22/13

Decimal form:

1.692307

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I have a two expressions 3z-4 and 2z+5
aleksley [76]

Answer:

The answers are 3z-16 and 2z+10

Step-by-step explanation:

Do 3 x z (3z) and then do 3 x 4 (16) and then you got 3z-16


Do 2 x z (2z) and then do 2 x 5 (10) and then you got 2z + 10

6 0
3 years ago
What is equivalent to 7%
Maksim231197 [3]

Answer:

In what form?

These are both equivalent to 7%:

7/100

0.07

7 0
3 years ago
Lynn has $8.58 in quarters and pennies. If she has eight times ans many pennies as quarters, how many of each does she have?
svp [43]
Let q = number of quarters.
Let p = number of pennies.

A quarter is worth $0.25. q quarters are worth 0.25q.
A penny is worth $0.01. p pennies are worth 0.01p.
All coins together are worth 0.25q + 0.01p.

We are told that all coins together are worth $8.58, so 0.25q + 0.01p must equal 8.58.

0.25q + 0.01p = 8.58

That is our first equation.

She has 8 times as many pennies as quarters, so

p = 8q

That is our second equation.

We have a system of equations.

0.25q + 0,.01p = 8.58
p = 8q

Since the second equation is already solved for p, we can use the substitution method.

We will substitute 8q for p in the first equation.

0.25q + 0.01p = 8.58

0.25q + 0.01(8q) = 8.58

0.25q + 0.08q = 8.58

0.33q = 8.58

q = 26

p = 8q = 8 * 26 = 208

She has 26 quarters and 208 pennies.

Check:
26 quarters are worth 26 * $0.25 = $6.50
208 pennies are worth $2.08
$6.58 + $2.08 = $8.58
The value of the coi8ns is correct.

Also, 208/26 = 8. The number of pennies is really 8 times the number of quarters.

Our solution is correct.
4 0
3 years ago
What is the sum of all the positive two-digit integers divisible by both the sum and product of their digits?
Makovka662 [10]

Answer:

  72

Step-by-step explanation:

Exhaustive search shows the numbers to be 12, 24, 36. The sum of these three numbers is 72.

8 0
3 years ago
Is -0.723 rational or irrational
cupoosta [38]

Answer:

i think its a irrational number but i could be wrong! :)

Step-by-step explanation:

6 0
3 years ago
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