Mrs. Gannon is having her class make a winter decorations using pine cones. If each decoration needs 11 pine cones and Mrs. Gannon ha 18 students in her class. How many pine cones does Mrs. Gannon need?
Answers
If each student makes one decoration, then we can use the expression 11*18 to solve the problem. Or you could add eighteen elevens together, either method works.
11*18 = 198.
Mrs. Gannon needs 198 pine cones.
Hope that helped you!
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B. By what percent is the number of males less than the number of females?
C. Why is the percent increase and percent decrease in parts A. and B. different?
Answers
There were 28.57 % females greater than the number of males, 40 % males less than the number of females, and the percentage increased and decreased because of the number of females and males.
What is the percentage?
The percentage is defined as a ratio expressed as a fraction of 100.
At a student council meeting, there was a total of 60 students present. Of those students, 35 were female.
number of females = 35
number of males = 60 - 35 = 25
To find percent is the number of females greater than the number of males
(35-25)/35 × 100 = 28.57 %
To find percent is the number of males greater than the number of females
(35-25)/25× 100 = 40 %
The percentage increases and the percentage decreases. In parts a and b because of the number of females and males
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Answer:
A. 55%
B. 45%
C. The percent is increase and percent decreased. In parts a and b because of the number of female s and males
Step-by-step explanation:
Answers
The square root of the given fraction 121 / 49 will be 11 / 7.
What is a square root?
A number y such that y² = x, or a number y whose square is x, is referred to as the square root of a number x in mathematics.
Given that in mathematics, a number r is said to be the nth root of a number x if it is raised to the power n.
The square root of the given number will be calculated as below:-
Square root = √( 121/49 )
Square root = 11 / 7
Therefore, the square root of the given fraction 121 / 49 will be 11 / 7.
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Answers
Answer:
11x² - 3x
Step-by-step explanation:
Here's one way to do it. Write the two polynomials with corresponding powers of x under each other and subtract.
12x² - 5x
-(x² - 2x)
Distribute the -1 and add.
12x² - 5x
-x² + 2x
11x² - 3x
Check:
x² - 2x
+(11x² - 3x)
12x² - 5x
OK.
Answers
its right as well
Answers
Answer:
Well you can already answer that(37)
Step-by-step explanation:
In 3 hours and 30 minutes Greg has earned 64.75 dollars if you take that amount(the amount earned in 3 and a half hours) and divide it by the 3 1/2 hours(the time it took to earn that amount) you get 18.50 which is the amount you earn per half hour since that graph is increasing at 30min. per 18.50 or the amount.
Answers
y - the number of pens
She has twice as many pencils as she has pens.
Tom borrows a pen, so she has y-1 pens. Now she has ten less pens than pencils.
Set 2y and y+9 equal to each other:
She has 9 pens.