MATHEMATICS MIDDLE SCHOOL

Miguel completed the division problem below. What is Miguel’s error?A.He included a 5 in the quotient, which does not belong.
B.He multiplied the divisor by 10 and the dividend by 100.
C.He subtracted 208 from 234 incorrectly.
D.He multiplied the divisor by 100 and the dividend by 10.
down there is a jpg

Answers

Answer 1

Answer:

Answer:

he need to add one more zero to 7540

Step-by-step explanation:

Answer 2

Answer: He needs to add another zero at the end of 7540

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Using the polynomials Q = 3 x2 + 5 x - 2, R = 2 - x2 , and S = 2 x + 5, perform the indicated operation. Q - [ R + S ]

Answers

Answer:

4x^2 + 3x - 9

Step-by-step explanation:

First, add together functions R(x) and S(x). Stack them vertically and combine like terms:

R(x) = 2 - x^2

S(x) = 2x + 5

------------------

(R+S)(x) = -x^2 + 2x + 7

Now subtract the above result from Q(x):

Q(x) - (R(x) + S(x)) = 3x^2 + 5x - 2 + x^2 - 2x - 7, or 4x^2 + 3x - 9

What are the like terms in the expression ?

9a - 3b + 4ab

Answers

None of these terms are like terms

Dustin and his best friend Jeremy found some money buried in a field. They split the money evenly,each getting more than $24.28. How much money did they find?

Answers

24.28 multiply by 2 =48.56

They found $48.56 in that field

I need help on my math homework.A hairdresser is considering ordering a certain shampoo. Company A charges $4 per 8-oz bottle plus a $10 handling fee per order. Company B charges $3 per 8-oz bottle plus a $25 handling fee per order. How many bottles must the hair dresser buy to justify using Company B? (Answer in a complete sentence.)

I don't know what justify using company B means. Can someone help me?

Answers

hi tissuebox,

let x= the number of bottles the customers buys

first, lets consider how many bottles the customer must buy for the price to be the same no matter which company.

4x+10=3x+25
.
.
.
x=15, so at 15 bottles, the cost is the same for either company. At this point you look at x=16, one bottle higher, to compare costs, seeing that for company A this is $74 while for company B this is $73, so at 16 bottles company B is cheaper

Find the slope of the line that goes through the points (-15,70) and (5,10) and (2,7) and (6,3).

Answers

(5,10)(2,7)

Rise/run = 10-7/5-2 = 3/3 = 1

Therefore, the slope of the line is 1.

My answer was right I looked it up why you delete it?!

Fruit: Sugar in 2:3
If 15kg of sugar is used,how much fruit?

Answers

1 kg...............2/3 fr
15 kg..............x fr
x=15·2/3
x=5·2
x=10 fruits

Answer:10

So the 2:3 means that for every 2kg of fruit you have there are 3kg of sugar.Divide the sugar by three, giving you 5kg. Then multiply that by two to find the fruit = 10kg.10kg:15kg