MATHEMATICS MIDDLE SCHOOL

What value of m makes the statement true?

m + (–9.5) = –7.8

Answers

Answer 1
Answer: m+(-9.5)=-7.8 \n\n m-9.5=-7.8 \n\n m=-7.8+9.5 \n\n \boxed{m= 1.7}
Answer 2
Answer: -7.8+9.5= 1.7 so m is 1.7

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What is -9x-(2x/-3) When x equals 7

Answers

-9x- (2x)/(-3)

-9*(7) - (2*7)/(-3)

9*7 = 63

(2*7)/(-3) = (14)/(-3)

Apply the fraction  rule : (a)/(-b) = - (a)/(b)

= - (14)/(3)

-63-( -(14)/(3) )

Apply rule  - ( - a) = a

-63+ (14)/(3)

Convert  element to fraction :

63 = (63)/(1)

-(63)/(1) + (14)/(3)

Find the LCD 1*3 = 3

- (63*3)/(3)+ (14)/(3)

(-3+63+14)/(3) = (-175)/(3)

Apply the fraction  rule : (a)/(-b) = - (a)/(b)

= - (175)/(3)

hope this helps!

Maria's favorite candy bar has 230 calories.The nutrition label states that 7/8 of the calories come from fat.How many calories in the candy bar come from fat?

Answers

230/8= 28.75
28.75x 7= 201.25
201.25 calories come from fat.

A population of 550 rabbits is increasing by 7.5% each year. In about how many years will the population be over 1000? A.) 9 years
B.) 5 years
C.)7 years
D.)15 years

Answers

Answer:

D.) 15 years

Step-by-step explanation:

7.5% of 550 rabbits would be 41.25

if you are increasing till you get over 1,000

it would take 10.9 almost 11 years to get to 1,000

meaning it would be 15 years when your over 1,000 giving you 1,168.75

44 points in 4 quarters

Answers


28 11 points in 1 quarter because 44/4=11 which is 11/1

Jr shaded 3/5 of a rectangle. Mary shaded 4/12 of a congruent rectangle. who shaded more? how do you know

Answers

well 3/5 = 0.60 in decimal form
and 4/12 when simplified is 1/3 which is .33 in decimal form 
so jr shaded more.
Mary did she paid 0.33 or 1/3

Please help me . !!!!!!

Answers

b. i think if you get it wrong im sorry
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