3 years ago

Please Hurry! Need Help! Try to explain if not that ok

Mathematics

1 answer:

KIM [24]3 years ago

8 0

the second one is the answer becuz it shows how it grows and gets bigger so it’s the setons

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What is solution for k-(-3) <=[less than or equal to] 4

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This is the anwser.

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2) Brian purchased pens for 75 cents each and pencils for 40 cents each he bought total of 22 writing utensils for $11.95. How m

d1i1m1o1n [39]

Answer:

13 pencils.

Step-by-step explanation:

Let x be the pens and y be the pencils

Given:

Brian purchased pens for 75 cents each and pencils for 40 cents each he bought total of 22 writing utensils for $11.95.

Total pens and pencils is 22

So, $x+y=22$ ----------------(1)

And he bought all utensils for $11.95. and each pen for 75 cents and pencils for 40 cents.

$0.75x+0.40y=11.95$ ------------(2)

solve equation 1 and equation 2 for x and y.

From equation 1.

$x+y=22$

$y=22-x$ ----------------(3)

put y value in equation 2.

$0.75x+0.4(22-x)=11.95$

$0.75x+0.4\times 22-0.4x=11.95$

$0.75x+8.8-0.4x=11.95$

$0.75x-0.4x=11.95-8.8$

$0.35x=3.15$

$x=\frac{3.15}{0.35}$

$x=9$

Now substitute x value in equation 3.

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So, he buy 13 pencils.

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What is forty-five divided by seven? WILL MARK BRAINLIEST

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Answer:

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Step-by-step explanation:

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Sally is teaching a nursery rhyme to her kindergarten students. She found that 4 out of every 10 students know the rhyme. If Sal

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Step-by-step explanation:

the answer is

$= \frac{4}{10} \times 20 = 8$

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