MATHEMATICS MIDDLE SCHOOL

a box contains 100 pens.In each box there are 38 black pens and 42 blue pens,while the rest are green pens.Mr.Cane buys 6 boxes of pens.How many green pens does he have in total

Answers

Answer 1

Answer:

If he has 6 boxes with 100 pens in each box that's 600 pens.

38 x 6 = 228 pens are black

42 x 6 = 252 pens are blue

228 + 252 = 480 black and blue pens

600 - 480 = 120 green pens

Hope this helps. :)

Answer 2

Answer: 120 of the pens are green.
100-(38+42)=?
100-80=20
20x6= 120
therefore 120 pens are green.

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Pretty, pretty, pretty please help!!!Which proportion models this problem?On a soccer team, 8 out of 19 players surveyed say they had two or more siblings. The league has 570 players. Which is the best prediction of the number of players in the league that have two or more siblings? A. x/8 = 19/570 B. x/570 = 19/8 C. x/570 = 8/19 D. x/19 = 8/570

Answers

8 of 19 players said that they had 2 or more siblings.

8 out of 19 is equal to what out of 570

8/19 = x/570

This proportion can be written in different ways.

8/19 = x/570 cross multiplies to 19*x = 8*570

The task is to find a proportion among the answer options that cross multiplies to the same equation.

Option C is x/570 = 8/19. That cross multiplies to 19*x = 8*570 and is the correct answer.

If 8x+22=19x, then 3x=

Answers

Answer:

Step-by-step explanation:

- *x both sides

divide eleven both sides

x =2

3 times 2 is six

Answer:

ans is behind

Step-by-step explanation:

hope it helps uh

Nina and Krissy have to read different books for Ms. Lester's English class. Nina has read 32 pages of her 110-page book. Krissy has read 55 pages of her book, but she and Nina still need to read the same number of pages to finish their books. Which equation can be used to find k, the total number of pages in Krissy's book?

Answers

Answer:

78+55=k

Step-by-step explanation:

110-32=78

55+78=k=133

Answer:

78+55=k

110-32=78

55+78=k=133

Step-by-step explanation:

;)

E + 1 13/16 = 2 5/16

Answers

e + 1 13/16 = 2 5/16

subtract 1 13/16 from each side

e = 2 5/16 - 1 13/16

borrow from the 2

e = 1 16/16 + 5 /16 - 1 13/16

e = 1 21/16-1 13/16

e = 1 8 /16

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What is the value of x2 + (2y) ÷ (2w) + 3z for w = 2, x = 5, y = 8, and z = 3? Enter your Your answer in the box.

Answers

The given expression has some variables and their values are also given in the question, so using the substitution method,

The value of $x^2+(2y/2w)+3z$ is 38.

Given information:

The expression $x^2+(2y/2w)+3z$

where,

The value of x = 5,

The value of w = 2,

The value of y = 8,

And

The value of z = 3.

On putting the given values in the given expression and solving for the final answer as,

$x^2+(2y/2w)+3z$

$=5^2+(2* 8)/(2*2) +3*3\n=25+4+9\n=38$

Hence ,by using the substitution method the value of $x^2+(2y/2w)+3z$ is 38.

For more information visit:

brainly.com/question/14619835

Answer:

Step-by-step explanation:

To find the value of x² + (2y) ÷(2w) +3z , first we substitute the values of w, x, y and z

5² + 2(8) ÷ 2(2) + 3(3)

To simplify this further, we have to apply the rule of BODMAS

(Applying the rule of BODMAS simply means when you have an equation, if its having bracket, you have to remove the bracket first, then you move to powers then you proceed to dividing then subtraction and then addition)

5² + 2(8) ÷ 2(2) + 3(3)

=25 +16 ÷ 4 +9

=25 + 4 +9

=38

Therefore the value of x² + (2y) ÷(2w) +3z is 38

Which picture illustrates the prophase stage of mitosis? A.
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B.
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C.
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Prophase is when the nuclear envelope is starting to break down and the chromatin is condensing. The picture that illustrates this is D.

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