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3 years ago

Lucas used the number sentence 8 x 2 = 16 to solve a problem. Which problem could he have solved?

Mathematics

1 answer:

4vir4ik [10]3 years ago

3 0

Answer:

Word problem 3

Step-by-step explanation:

Word Problem one is a subtraction problem since Felicia is giving away two marbles to Lucas. Word Problem two is a division problem since Felicia is evenly dividing the number of marbles she has into two bags. Word Problem three is a multiplication problem because Ryan has two times as many marbles that Felicia does. Word Problem four is an addition problem because she found two more marbles while she already has eight marbles. Keywords for subtraction word problems are: fewer than, decrease, take away, less than, minus, difference, change, lost reduced, and subtract. Keywords for division word problems are: As much, cut up, groups, equally, sharing, half, how many in each, parts, per percent, quotient, ratio, and separated. Keywords for multiplication word problems are: double, every, factor, increased, multiplied product, times, and tripled.

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3 years ago

Read 2 more answers

The following graph shows a proportional relationship.

LenKa [72]

Answer:

Step-by-step explanation:

If we look at the graph this is an increasing graph where y increases with respect to x so in other words we can say that y is directly proportional to x.

$y\ \alpha\ x\\$

and when we remove the proportionality sign we replace it with an equal to sign and a constant. So it becomes ,

$y = kx\\$

now to find the Constant of proportionality which is k we can use any ordered pair(coordinate/point) from the graph,

Lets take ( 2 , 4) where 2 represents the value of x on the x-axis and 4 represents the value of y on the y-axis so now,

$y=kx\\(4)=k(2)\\4=2k\\4/2=k\\k=2\\$

so the constant of proportionality is 2

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3 years ago

Ik this is rlly easy im just to lazy to do it

True [87]

The answer 12/72 because you multiply

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3 years ago

Keith has 39 books in his library he brought several books at a yard sale over the weekend he now has 84 in his library how many

garri49 [273]

Subtract original amount from new amount:

84 - 39 = 45

He bought 45 books.

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3 years ago

Alyssa is factoring the following expression p∆2-8p-9. She said the answer is (p-1) (p +9). Is she correct? If not, explain her

Lesechka [4]

Answer:

Step-by-step explanation:

p^2-8p-9

factor out the trinomial

(p-9)(p+1)

Therefore, she's incorrect. Because (p-1)(p+9)=p^2-p+9p-9=p^2+8p-9 and that's different from p^2-8p-9.

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3 years ago

Lucas used the number sentence 8 x 2 = 16 to solve a problem. Which problem could he have solved? ​

Lucas used the number sentence 8 x 2 = 16 to solve a problem. Which problem could he have solved?