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HACTEHA [7]
3 years ago
7

Isaac has 21 green marbles and 7 blue .He wants to place them in identical groups without any marbles left over.What is the grea

test number of groups Isaac can make
Mathematics
1 answer:
dybincka [34]3 years ago
8 0

Answer:

7 groups

Step-by-step explanation:

Each group would have 1 blue marble and 3 green marbles

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Earl worked 18 hours last week. If he had earned $2.00 an hour more but had worked only 15 hours, he would have earned the same
ruslelena [56]

Answer:

B) $10.00

Step-by-step explanation:

10 × 18 = 180

10 + 2 = 12

12 × 15 = 180

3 0
3 years ago
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What is 3% of $30.00?
CaHeK987 [17]
% means out of 100 so 1%=1/100

so 3%=3/100
$30.00=3000 cents
so you multiply 3/100 by 3000 =(3*3000)/100
you can cross out two zeros at the bottom and on the top and get
(3*30)/1 or 90/1 or 90 cents
3 0
3 years ago
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What is the slope of y = 4 - 2x?
just olya [345]

Answer:

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Step-by-step explanation:

5 0
2 years ago
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what are the lengths of the legs of a right triangle in which one acute angle measures 19° and the hypotensue is 15 units long?
givi [52]
Refer to the diagram shown below.

Given:
m∠A = 19°
c = 15

By definition,
sin A = a/c
Therefore
a = c*sin A = 15*sin(19°) = 4.8835

cos A = b/c
Therefore
b = c*cos A = 15*cos(19°) =14.1828

Answer:
The lengths are 4.88, 14.18, and 15.00  (nearest hundredth)  

6 0
3 years ago
Marsha notices that all of her siblings are more than 5 foot 2 inches tall but at most 6 foot 1 inch tall. Write an inequality o
mafiozo [28]

Answer:

first make everything inches so you have at least 62 inches and at most 73 inches, now create it.

Step-by-step explanation:

62<x<=73

7 0
2 years ago
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