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LekaFEV [45]
3 years ago
5

Use an array or an area model to illustrate how to solve this equation. Then, explain each part of the

Mathematics
1 answer:
valentina_108 [34]3 years ago
3 0

Answer:

870

Step-by-step explanation:

Array model shown below along with description (at the bottom).

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What points can be found on the line 2y=3x+4
Olin [163]

The answer is (2,5).

Check:

2y=3x+4

2(5)=3(2)+4

10=6+4

10=10 Good

The answer is (2,5)

3 0
3 years ago
PLEASE ANSWER NOW
Brums [2.3K]

Answer:

15 scores are less than 90

Step-by-step explanation:

Total 11 scores are less than 90 not 15

3 0
2 years ago
For how many positive values of n are both n3 and 3n four-digit integers?
AVprozaik [17]

Answer:

No positive value of n

Step-by-step explanation:

we have to find out for how many positive values of n are both

n^3 , 3^n our-digit integers

Let us consider first cube

we get 4digit lowest number is 1000 and it has cube root as 10.

Thus 10 is the least integer which satisfies four digits for cube.

The highest integer is 9999 and it has cube root as 21.54

or 21 the highest integer.

Considering 3^n we get,

3^10 is having 5 digits and also 3^21

Thus there is no positive value of n which satisfy that both n cube and 3 power n are four digits.

5 0
3 years ago
An airplane is loaded with cargo and ready to take off. Before it departs, an unknown number
Leto [7]

Answer:

b ≤ 50

Step-by-step explanation:

Since no more than 400 pounds of b number of 8 pound boxes can be taken off to ensure that the plane is in balance, this can be represented by the inequality:

8b ≤ 400

b ≤ 400/8

b ≤ 50

This means that a maximum number of 50 8 pounds boxes can be taken off the plane for a 600 pound crate to be put on ensuring that the plane is in balance.

8 0
2 years ago
One staple weighs 31 milligrams. If a box of staples holds 250 staples, how many grams of staples does the box hold?
lilavasa [31]

Answer:

7.75

Step-by-step explanation:

1 mg = 0.001 g

31 mg * 0.001 = 0.31 grams per staple

0.31 g * 250 = 7.75 grams per 250 staples

8 0
3 years ago
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