MATHEMATICS HIGH SCHOOL

A cereal company used to fill the boxes with 16 ounces of cereal. They have reduced that amount to 14 ounces. The percent decrease is 87.5%. True or false

Answers

Answer 1

Answer:

Answer:

False

Step-by-step explanation:

Given: A cereal company used to fill the boxes with 16 ounces of cereal. They have reduced that amount to 14 ounces.

Decreased amount = 16 -14 = 2 ounces.

Now let's find the decreased percentage using the following formula.

Decrease percent = $(decreased amount)/(original amount) *100$

= $(2)/(16) *100$

= $(200)/(16)$

= 12.5%

The percentage of decrease is 12.5%.

Therefore, the answer is false

Answer 2

Answer: This is a true statement

%87.5 = .875 in decimal form
multiply 16 by 8.75 and it will give you 14

hope this helped

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Of the 8760 hours in a year, one television was on for 2190 hours. What percent is this?
Solve by graphing. x2 + 2x – 3 = 0

Show your work !

Thanks

Answers

For 1st.
you can solve it by general law or ,
since the coefficient of r^2 = 1
so u should think of 2 number which if u multiple them gives you 27 and sum of them is 12 and those numbers are 9 , 3
so the answer (x+9)*(x+3)
2nd problem :
g^2 - 9 = (g-3)*(g+3)
3rd problem:
2p^3 + 6p^2 + 3p +9
1st divide it into two parts
(2p^3 +6p^2)+ (3p+9)
from the 1st part
take 2p^2 as a common factor and from part 2 take 3 as a common factor and the equation be like
2p^2(p+3) + 3(p+3)
then take (p+3) as a common factor
so (p+3)* ( 2p^2 +3 )

1: (r+3)(r+9). 2: (g+3)(g-2). 3: (2p^2+3)(p+3). FOIL multiply the first, inside, outside, and last terms. add the inside and outside terms together. :)

What number can be written as 40 + 5

Answers

a number that can written as 40 + 5 will be 45

The number that can be written as 40 +5 = 45.So the number is 45.

13.4 ___13.40

A : >
B : <
C : =

Answers

13.4 = 13.40

This is because the 0 at the end is a trailing decimal, and so when testing for inequalities, you can simply disregard it.

Jillian is selling boxes of cookies to raise money for her basketball team. The 10 oz. box costs $3.50, while the 16 oz. box costs $5.00. At the end of one week, she collected $97.50, selling a total of 24 boxes. The system of equations that models her sales is below. x+ y= 24 3.50x + 5.00y = 97.50 Solve the system of equations. How many 10 oz. boxes were sold? a. 6
b. 9
c. 12
d. 15

Answers

we have to solve simultaneous equations.

x = 10 oz. boxes

y = 16 oz. boxes

simultaneous equations

x + y = 24 ---1)

3.50x + 5.00y = 97.50 ----2)

to solve for x we need to eliminate y, therefore we have to multiply 1st equation by 5

5x + 5y = 120 --3)

subtract 3) - 2)

5x - 3.50x = 120 - 97.50

1.50x = 22.5 x = 15

number of 10 oz. boxes are 15. answer is d.15

Answer:

d is the correct answer

Step-by-step explanation:

PLSSSSSSSSSSSSSSSSSSS HELPPPPPPPPPPPPPPPPPPP!!!!GUARaNTEE REWARDAmanda earned a score of 940 on a national achievement test that was normally distributed. The mean test score was 850 with a standard deviation of 100. What proportion of students had a higher score than Amanda? Use your z table.

Answers

To solve this question, you¨ll need to use a table of the standardized Normal distribution, or you could use a graphing calculator. The answer will be the cumulative property which will be a number with decimals. However, this represents the students who had a lower score then her, You´ll need to subtract this from 1 in order to get the opposite number, which will be the kids who scored higher. Be sure to multiply the result by 100 to get a percentage. Your answer should be 0.806 hope this helped!

Given that g(4)=9 and g(-11)=k, find the value of k that would result in a slope of 5 between the two points.