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kobusy [5.1K]
1 year ago
13

A classroom contains an equal number of boys and girls. if 10 girls leave, twice as many boys as girls remain. what was the orig

inal number of students present?
Mathematics
1 answer:
PolarNik [594]1 year ago
6 0

the answer of this question is 38 and i hope it s  correct

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Factor this polynomial.
Crank

Answer:

D.  -1(3x + 1)(x+5)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
-2x + y=-5<br>+ -2x -y=-3​
vodomira [7]

Answer: Point-Form : (2,-1)

Equation Form : x=2, y=-1

Step-by-step explanation: Solve for the first variable in one of the equations, then substitute the result into the other equation.

Hope this helps you out! ☺

6 0
3 years ago
Ky has 3more books than Grant, and Grant has 6 fewer books than Jamie. If the total combined number of books is 176, how many bo
Debora [2.8K]

Jamie has 40 books.

I’ve had this question back when i was in school. Sorry for not explaining my work, in a bit of a hurry.


Hope this helps & good luck. :)

3 0
3 years ago
Mutleys journey began on a boat, 2 feet above sea level. He dove down to twelve feet below sea level and then returned to the su
Lubov Fominskaja [6]

Answer:

Mutley would start at 2 feet above sea level or +2, he would then travel 12 feet below sea level (-12) to then return to the surface of the ocean (0).  The integers from least to greatest:  -12, 0, 2.  Visual:

-12(dive level) * * * * * * * * * * * 0(sea level) * 2(boat)

Step-by-step explanation:

Using positive and negative integers, we can determine Mutleys journey above, below and at the surface of the ocean.  The surface of the ocean represents his 'origin' or starting point, which is 0.  The boat is above the surface or +2.  When Mutley dives below the surface, he is at a negative level of the ocean.  Think of it in terms of a number line - negative numbers are to the left of 0 and positive numbers are to the right of 0.  The further we go to the left on the number line, the lower our number.  In this case, -12 would be furthest to the left, then 0, followed by 2.  

6 0
3 years ago
Suppose the area of a circle is 4π. What is its diameter?
mart [117]
Area=pi times radius^2 so

if area=4pi=pi times r^2
4 times pi=r^2 times pi
divide both sdies by pi
4=r^2
square root
2=radius since legnth cannot be negative

radius=1/2 diamters
2 radius=diameter
2(2)=diameter=4
diameter=4
6 0
3 years ago
Read 2 more answers
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