3 years ago

7:11 and 21:33 yes or no

Mathematics

1 answer:

grandymaker [24]3 years ago

7 0

Yes!! They both are equivalent.....

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A pair of weak earthquakes is modeled by a system of inequalities. One earthquake occurred roughly 20 km east and 14 km north of

AfilCa [17]

Answer:

2 km east and 10 km north

Step-by-step explanation:

I did the activity and got the right answer.

5 0

2 years ago

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Asa saves dimes and quarters so that he will have exact change for he bus. He dabs and then dumps the container that he has been

koban [17]

Asa has 15 dimes and 32 quarters.

Step-by-step explanation:

Given,

Total coins = 47

Worth of coins = $9.50 = 9.50*100 = 950 cents

1 dime = 10 cents

1 quarter = 25 cents

Let,

Number of dimes = x

Number of quarters = y

According to given statement;

x+y=47 Eqn 1

10x+25y=950 Eqn 2

Multiplying Eqn 1 by 10

$10(x+y=47)\\10x+10y=470\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(10x+25y)-(10x+10y)=950-470\\10x+25y-10x-10y=480\\15y=480$

Dividing both sides by 15

$\frac{15y}{15}=\frac{480}{15}\\y=32$

Putting y=32 in Eqn 1

$x+32=47\\x=47-32\\x=15$

Asa has 15 dimes and 32 quarters.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

7 0

3 years ago

Can someone help me with this please??

lana66690 [7]

So start with the top one and end w the bottom

6 0

2 years ago

What expression can be used for estimating 868 divided by 28

weeeeeb [17]

868 is about 870, and 28 is about 30, so your expression would be 870 divided by 30 which would be 29 and the actual answer is 31, so your estimate would be close to your actual answer.

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2 years ago

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What is the equation of the line, in slope-intercept form, that passes through the point (0,7) and is perpendicular to the line

Arisa [49]

Answer:

=12

Step-by-step explanation:

7=3(0)-5

7=-5

7+5

=12

Im pretty sure this is the answer

4 0

3 years ago

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