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Studentka2010 [4]

3 years ago

10

Nicole has 83 erasers. Susan gives Nicole 5 more. Later, Nicole buys 13 oranges at the store. How many erasers does Nicole have

in all.

1 answer:

zheka24 [161]3 years ago

3 0

Answer: Nicole has 88 erasers in all

Step-by-step explanation:

Number of erasers that Nicole has = 83

Number of erasers given to Nicole= 5

Total number of erasers Nicole has in all = 83+5= 88 erasers

Therefore Nicole has 88 erasers.

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13) A rectangular garden has an area of 45 square meters. The garden will be 4 meters longer than its width Write and sowe an eq

11Alexandr11 [23.1K]

Answer:

9m ×5m

Step-by-step explanation:

Area of a rectangle= length ×width

Let the width be W meters and the length be L meters.

2 equations can be written from the given information:

45= WL -----(1)

L= W +4 -----(2)

Substitute (2) into (1):

45= W(W +4)

<em>Expand:</em>

45= W² +4W

<em>-45 on both sides:</em>

W² +4W -45= 0

<em>Factorise:</em>

(W +9)(W -5)= 0

W+9=0 or W-5=0

W= -9 or W= 5

(reject)

Substitute W= 5 into (2):

L= 5 +4

L= 9

∴ The dimensions of the garden is 9m ×5m.

6 0

2 years ago

There are 200 students in the 8th grade class at Alleghany Middle School. Of these students, 8% play basketball and 14% play soc

sergeinik [125]

Answer:

The probability that a student plays either basketball or soccer is 19% or 0.19.

Step-by-step explanation:

Let A be the event that student play basketball and B be the event that student play soccer.

$P(A)=8\%$

$P(B)=14\%$

It is given that 6 students play on both teams.

$P(A\cap B)=\frac{6}{200}\times 100=3\%$

We have to find the probability that a student plays either basketball or soccer.

$P(A\cup B)=P(A)+P(B)-(A\cap B)$

$P(A\cup B)=8\%+14\%-3\%$

$P(A\cup B)=19\%$

Therefore the probability that a student plays either basketball or soccer is 19% or 0.19.

6 0

3 years ago

Keiko is mixing 4 cups of concrete to make a stepping stone. She needs 1.5 cups of sand and 2.5 cups of cement mix. Which statem

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Ur answer would be B.. Hope it helps let me know if its right or not!

8 0

2 years ago

The Orioles played 90 games and have won 70% of them. How many games has the team won?

Afina-wow [57]

To answer this, all you have to do is multiply 90 by 0.7!
so the final answer is 63 games.

6 0

2 years ago

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Find the Pythagorean triplets whose one number is 24.

AveGali [126]

Answer Is 143 and 145

6 0

3 years ago

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