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dmitriy555 [2]
3 years ago
13

Need help due todayy !!!

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
6 0

Answer:

A.

Step-by-step explanation:

Its a

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Given the function f(x) =2(x+6)-4for what values of x is f(x)=6
olchik [2.2K]
F(x) is another way to say “y” so you could also write, y=2(x+6)-4, and it’s asking what does x equal if y is 6, so you substitute 6 for y.
6=2(x+6)-4
6=2x+12-4
6=2x+8
-2=2x
-1=x
6 0
3 years ago
A tree is 6 feet tall. Two years after buying the tree, it had grown to a height of 9 feet how much does the tree grow every yea
kumpel [21]

Answer:

1.5 each year

Step-by-step explanation:

6 0
3 years ago
Susie collected data on the favorite type of music of the students of two grades. The table below shows the relative frequencies
svp [43]

Answer:

In Grade 9, 20% of students liked classical music.

Step-by-step explanation:

Your table was hard to decipher, so I have recreated it here.

\begin{array}{c|cccc}&\text{Pop}&\text{Classical}&\text{Heavy Metal}&\text{Total}\\\text{Grade 8}&0.50&0.10&0.40&1.00\\\text{Grade 9}&0.53&0.20&0.27&1.00\\\text{Total}&0.36&0.32&0.32&1.00\\\end{array}

(a) In Grade 9, 53 students liked pop music.

FALSE. 53 % of the students liked pop music. We don't know how many students there were.

(b) In Grade 8, 60% of students liked heavy metal.

FALSE. 40 % of students liked heavy metal.

(c) In Grade 8, 10 students liked classical music.

FALSE. We don't know how many students there were.

(d) In Grade 9, 20% of students liked classical music.

TRUE. 0.20 means 20/100 or 20 %.

4 0
4 years ago
A store charges ​$13.75 for 5 boxes of cookies. A second store charges ​$9.00 for 4 boxes of​ cookies, but you have to buy a gal
belka [17]

Answer: The number of boxes of cookies that makes the costs equal is 3

Step-by-step explanation:

A store charges ​$13.75 for 5 boxes of cookies. This means the charge per cookie is 13.75/5 = $2.75

Therefore, for x cookies, the store charges 2.75 × x = $2.75x

A second store charges ​$9.00 for 4 boxes of​ cookies. This means the charge per cookie is 9/4 = $2.25

Therefore, for x cookies, the store charges 2.25 × x = $2.25x but you have to buy a gallon of milk for ​$1.50 to get that deal.

This means that at the second store, the charge for x cookies will be

2.25x + 1.50. Therefore, the cost model equations for both boxes are

Cost of x boxes cookies at first store, C(x)= $2.75x

Cost of x boxes of cookies at second store, C(x) = 2.25x + 1.50

To find number of boxes of cookies that make both costs equal,

2.75x = 2.25x + 1.50

2.75x - 2.25x = 1.50

0.5x = 1.5

x = 1.5/0.5 = 3

5 0
3 years ago
Mindy is 36 years old. Mindy's age is 3 years older than two times Jake's age. Let j represent Jake's age.
Dmitriy789 [7]

Answer:

36 = 2j + 3

This should be the correct answer to your question

PLease rate and mark brainliac if this helped

5 0
3 years ago
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