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mars1129 [50]
3 years ago
10

What is the value of f(4), if f(x) = 2x - 16?

Mathematics
2 answers:
SVEN [57.7K]3 years ago
8 0
The values would be F(x)=-8
Varvara68 [4.7K]3 years ago
8 0
The value would be f (x) = -8
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In the first semester, Jonas took seven tests in his math class. His scores were: 88 81 94 84 100 94 96.
maksim [4K]
The median is the middle-most number. First we need to put the numbers in order from lowest to highest:

81 84 88 94 94 96

The easiest way to find the median is to cross out the first and last number and then continue until you reach the middle.

So cross out 81 and 96:
84 88 94 94 are left.

Cross out 84 and 94:
88 and 94 are left.

Since we are left with 2 different numbers, we need to find the average of them and that’s our median. (88 + 94)/2 = 91

91 is the median.
3 0
3 years ago
Una diseñadora de modas que confecciona trajes de noche, tarda 3 horas en cortar y 2 horas en coser cada vestido de fiesta. Para
ella [17]

For this case we define the following variables:

x: Number of party dresses

y: Number of suits

You have 30 hours per week to cut, that is, the first equation is given by:

3x + 3y = 30\\

It is also known that 25 hours per week are available for sewing, that is:

2x + 3y = 25\\

It has a system of two equations with two unknowns, solving we have:

3x + 3y = 30\\\\2x + 3y = 25\\

Multiplying the second equation by -1:

3x + 3y = 30\\\\-2x-3y = -25\\

Adding up:

x + 0 = 5\\\\x = 5\\

Substituting x in the first equation:

3 * 5 + 3y = 30\\\\15 + 3y = 30\\

Clearing and:

3y = 30-15\\\\3y = 15\\

y = \frac{15}{3}\\\\y = 5\\

Thus, per week, the designer can produce 5 party dresses and 5 suits working at her maximum capacity.

Answer:

5 Party dresses

5 Suits


5 0
3 years ago
Solve a<br> a-20=b<br> a=<br><br><br><br> plzz help
saveliy_v [14]
In order to have the variable by itself you have to add 20 to both sides. So your answer would be a=b+20. I hope this helps love! :)
7 0
3 years ago
How long is it from 17:42 to 18:11?
olya-2409 [2.1K]

Answer:29 segundos

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is 3(4x+5)+2. Show your work.
Luden [163]

Follow PEMDAS:

First, distribute 3 to all terms within the parenthesis

3(4x) = 12x

3(5) = 15

12x + 15 + 2

Simplify. Combine like terms

12x + (15 + 2)

12x + 17

12x + 17 is your answer

hope this helps

8 0
3 years ago
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