MATHEMATICS MIDDLE SCHOOL

Addy is taking a test with multiple choice and True/False questions. On the test, Addy got a total of twenty questions correct. Addy gets five points for correct multiple-choice answers and one point for each correct True/False answer. She earned 76 points on the test. How many multiple-choice questions and how many True/False questions did Addy get correct?Use 2 equations to find your answer

Answers

Answer 1

Answer:

Answer:

12 multiple choice and 8 true/false

Answer 2

Answer: 12 multiple choice and 8 true/false

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Express each ratio as a fraction in simplest form 3 gallons to 15 quarts
Paulina works out with a 2.5-kilogram mass. what is the mass of 2.5-kilogram mass in grams?
A month of the year is chosen at random. What is the probability that the month starts with the letter J or m5/241/61/45/12
members of the marching band line ip in 6 rows of 8. how many total members are there? identify two other ways they could line up in equal rows and colums

Create an algebraic expression that uses at least two different operations with a minimum of 3 terms, 2 variables, 2 coefficients, and one constant.

Answers

Answer: -3(4x-7)(5+2x)

Step-by-step explanation:

A boat can travel 132 miles on 11 gallons of gasoline.how much gasoline will it need to go 252 mileswhat do I do?

Answers

rate is miles/gallons
132/11=12 mile pser 1 galon
ratio and propeortion
132/11=252/xgalons
12/1=252/x
multiply both sides by x
12x=252
divide both sides by 12
x=21

21 gallons

132/11=12per gallon'

12*11=132

252/12=21

21*12=252

11+11=21

21 is your answer

Marge has a book that holds her stamp collection. In this collection, 5 stamps are from England, 7 are from France, 8 are from the United States, and 3 are from Germany. Marge lives in the United States.If she picks a stamp at random from her collection, what is the probability that it is from a foreign country?

A. 10/23

B. 12/23

C. 15/23

D. 8/23

Answers

Answer:

C. 15/23

Step-by-step explanation:

This is because when working with probability, the first step is to determine what the probability you are finding is of.

1. You are finding the probability of it being a foreign country, so this would include England (5), France (8) and Germany (3). There are 15 stamps from outside countries.

2. In total, there are 23 stamps in the book, so the answer will always be "___ out of 23."

3. Putting these together, you can determine that her chance of picking a stamp from another country out of the book would be 15/23

Carl has 200 songs on his MP3 player of these songs 24 are country songs what is the percent of country songs he has

Answers

It would be 12 songs.

Divide 24 by 200.

24÷200=0.12

Multiply by 100 because percentages are out of 100.

0.12×100= 12

12%

$200 \ songs, 24 \ country \ songs \n\ \frac {24}{200} = Percent \ Of \ Country \ Songs \n\ (24)/(200) --\ \textgreater \ (12)/(100) \n\ 12 \%$

at the pet fair, Darlene's dog weighed 5 times as much as leah's dog. Together, the dogs weighed 84 pounds. how much did each dog weigh? complete the bar model. write an equation and solve

Answers

let d = Darlene's dog's weight
let l = Leah's dog's weight
d = 5l
d + l = 84
so, 5l + l = 84, which means 6l= 84
so, l = 84/6 = 14d = 5(14) = 70
Darlene's dog = 70 lbs, Leah's dog = 14 lbs.

Leah'sdog weighed 14 pounds and Darlene'sdog weighed 70 pounds.

We have,

Let's represent the weight of Leah's dog as 'x' pounds.

According to the given information,

Darlene's dog weighed 5 times as much as Leah's dog, so the weight of Darlene's dog can be represented as '5x' pounds.

Together, the dogs weighed 84 pounds, so we can set up the equation:

x + 5x = 84

Combining like terms, we have:

6x = 84

To solve for x, we divide both sides of the equation by 6:

x = 84 / 6

x = 14