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ASHA 777 [7]
4 years ago
7

Dave collects rocks. he makes 12 groups of 10 rocks and has none left over. How many rocks does Dave have?

Mathematics
2 answers:
xxMikexx [17]4 years ago
8 0
12 groups, and each one containing 10. 
Think about it. Which operation could we use?

Multiplication!

12*10 = 120

Dave has 120 rocks. 

(One nice rock collection, Dave) 
;-) 
Firdavs [7]4 years ago
4 0
That means he has 120 rocks
12*10=120

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Please Please Help Me In These Math Questions!!!!’
Harman [31]

Answer:

m∠JLN = 42°

m∠MLK = 90°

m∠KLO = 42°

m∠JLO = 138°

m∠AGE = 160°

Step-by-step explanation:

m∠JLN = 90-48=42°

m∠MLK = 90°

m∠KLO = 42° (∠KLO opposite of ∠JLN, Opposite angles are congruent)

m∠JLO = 180-42=138°

For the second question, things become somewhat more complex.

We know that ∠GHD = 2x° and ∠AGH (x+15)°.

You correctly calculated that x=15°.

∠AGE is equal to both 180-(x+15)° and 180-2x°. Either equation will work just fine.

∠AGE = 180 - (15 + 15) = 180 - 30 = 160°

So m∠AGE = 160°

6 0
3 years ago
Oliver removed 56 marbles from his marble
krok68 [10]
ANSWER:
Total marbles =56
Number of groups =8
Therefore number of marbles in each group =56/8
= 7 marbles in each group.
HOPE IT HELPS!!!!
PLEASE MARK BRAINLIEST !!!!
5 0
3 years ago
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mihalych1998 [28]

It is 32% I'm pretty sure

4 0
3 years ago
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Greta is throwing yard darts 10 ft from the front edge of a circular target of radius 18 in. If she releases the dart 4 ft above
Vilka [71]

Answer:

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5 0
3 years ago
a square has a perimeter of 48cm.the square is cut in half . the two halves are put together to make this shape . what is the pe
Naily [24]

Answer:

The length of each side is 12cm.

Explanation:

The perimeter of a square is calculated by the formula:

P=4a, where P=perimeter, and a=length of any side, all sides being equal in a square.

From the given data we write:

48=4a

Divide both sides by 4.

12=a

The length of each side is 12cm.

7 0
3 years ago
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