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Maslowich
3 years ago
9

You went to the barber to get your hair cut. The haircut cost $30. You tipped the barber 20%. How much money did you give the ba

rber for a tip? What is the total amount you paid all together?
Mathematics
1 answer:
Rashid [163]3 years ago
7 0

Answer:

Tip $6

Total Amount $36

Step-by-step explanation:

20% of $30 is 6

$30 + $6 = 36

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A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick
STALIN [3.7K]

|\Omega|=10\cdot9=90\\ |A|=3\cdot3=9\\\\ P(A)=\dfrac{9}{90}=\dfrac{1}{10}=10\%

6 0
3 years ago
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Elena bowls two games on Saturday. Her score in the second game is 30 more than ¾ of her score the first game. Elena's total sco
grin007 [14]

Answer:

222 = score in 2nd game

Step-by-step explanation:

Let x = score in 1st game

3/4(x) + 30 = score in 2nd game

x + 3/4(x) + 30 = 478         Multiply thru by 4 to eliminate the fraction

4x + 3x + 120 = 1912

7x + 120 = 1912

7x = 1792

x = 256

3/4(x) + 30 = 3/4(256) + 30

= 192 + 30

222 = score in 2nd game

Check:  222 + 256 = 478

7 0
3 years ago
Suppose that an insect population’s density, in thousands per acre, during year n, can be modeled by the recursive formula: a1 =
vlabodo [156]

Answer:

The population alternates between increasing and decreasing

Step-by-step explanation:

<u><em>The options of the question are</em></u>

A) The population density decreases each year.

B) The population density increases each year.

C) The population density remains constant.

D) The population alternates between increasing and decreasing

we have

a_n=2.9(a_n_-_1)-0.2(a_n_-_1)^2

a_1=8

Find the value of a_2

For n=2

a_2=2.9(a_1)-0.2(a_1)^2

a_2=2.9(8)-0.2(8)^2=10.4

Find the value of a_3

For n=3

a_3=2.9(a_2)-0.2(a_2)^2

a_3=2.9(10.4)-0.2(10.4)^2=8.528

For n=4

a_4=2.9(a_3)-0.2(a_3)^2

a_4=2.9(8.528)-0.2(8.528)^2=10.1858

For n=5

a_5=2.9(a_4)-0.2(a_4)^2

a_5=2.9(10.1858)-0.2(10.1858)^2=8.7887

therefore

The population alternates between increasing and decreasing

7 0
3 years ago
Read 2 more answers
over a season in a women's basketball league jackson scored 41 more points than the second highest scorer leslie. Together they
vlabodo [156]
First, you know that Jackson (let call her J) scored 41 more points than L (Leslie).  What we don't know is how many points L scored so we can use a variable that will be 'x'.
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We also know that the total points is 1,189.
To find out what x is we first subtract 1,189-41.  We then get 1,148.
We are now left with 2x and 1,148 so we divide 1,148 by 2 and get 574.
574=x so now we can plug that in.
J= 574+41
Jackson scored 615 points and Leslie scored 574 points

(You can use bar modeling to do solve this problem.  An example of bar modeling is shown below.  

3 0
3 years ago
Ben is making math manipulatives to sell. He wants to make at least $450. Each manipulative costs $18 to make. He is selling the
lys-0071 [83]
7 is the answer because 7 is great and is always the answer

6 0
4 years ago
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