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Lelechka [254]
3 years ago
15

sandy had 10 dollars in her collection. she gave 3 to her younger sister. her parents were so impressed that they quadrupled her

remaining dolls. write a numerical expression with parentheses for the total number of dolls sandy has now.(do not simplify your expression)
Mathematics
2 answers:
Sholpan [36]3 years ago
8 0
10-3=7 (7*4)=x
hope this is of help

pantera1 [17]3 years ago
7 0
(10-3)*4

Hope this helps!
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a salesman earns 40% commission on all the merchandise that he sells. Last month he sold $700 worth of merchandise. How much in
shepuryov [24]

Answer:

280 dollars will be his commission

Step-by-step explanation:

So if he sells 700 dollars worth of stuff, he gets a 40% of that.

40% of that means we are multiply 40% and 700.

40% times 700

=.4 times 700

=280

8 0
4 years ago
Alex takes a multiple-choice quiz in his Anthropology 100 class. The quiz has 10 questions, each has 4 possible answers, only on
Andreas93 [3]

Answer:

The probability is 0.28157

Step-by-step explanation:

The number of answers are 40 answers ( 10 questions and 4 answer each)

The number of correct answers is only 10

So the probability that he answers 2 exactly out of 10 means he correctly selected 2 answers

The probability will be;

10 C 2/ 40 C 10

This mean out of the total 10 correct, he selects 2 and out of the total 40 , he selects 10

The probability of selecting a correct answer is;

1/4 while the probability of selecting a wrong one is 3/4

So probability of selecting 2 correct out of a total 10 will be

10 C 2 (1/4)^2 (3/4)^8

= 0.28157

4 0
3 years ago
What is the inverse of f(x) = one-thirdx + 2? h(x) = one-thirdx + 2 h(x) = one-thirdx - 2 h(x) = 3x - 2 h(x) = 3x - 6
Anettt [7]

Answer:

Step-by-step explanation:

h(x) = 3x - 6

i just did the quiz ;-;

8 0
3 years ago
Read 2 more answers
List the domain and range if the relation {(0,2),(4,3),(5,5),(4,7)}
lyudmila [28]
(x,y)

domain is inputs (normally x or first number)
range is outputs from the given domain (normally y or second number)

domain is just all the first numbers
range is all the second numbers
ignore repeats


domain: {0,4,5}
range: {2,3,5,7}
5 0
3 years ago
Read 2 more answers
An artist mixes colors for a painting. She mixes 1.5 ounces of blue with 2.5 ounces of yellow to get the perfect shade of green.
lesya692 [45]

Answer:

4.5 ounces of yellow and 7.5 ounces of blue will create 12 ounces of the perfect shade of green.

Step-by-step explanation:

1.5 + 2.5 = 4 ounces.

Multiply by 3

4.5 + 7.5 = 12 ounces

So, she needs 4.5 ounces of yellow.

4 0
3 years ago
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