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Karolina [17]
3 years ago
14

If f(x)=4x-7, find X if f(x) = -3.

Mathematics
1 answer:
Minchanka [31]3 years ago
7 0
Well if you download the app photo math and take a photo of it. It will solve it for you
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sales tax is added to the price of items sold on ebay. if someone in arizona buys an item online for 22.50 and the state sales t
Elden [556K]

Answer:

$23.98

Step-by-step explanation:

22.50 + 6.6% (1.485) = $23.98

4 0
3 years ago
A collection of numerical information, such as the scores on a test, is referred to as simple random sampling.True / False.
Nimfa-mama [501]

Answer:

False. See explanation below.

Step-by-step explanation:

False

A simple random sample "is a subset of a statistical population in which each member of the subset has an equal probability of being chosen"

In other words that means in order to apply a random sampling we need to ensure that we have the same probability of inclusion for every possible element of the population of interest.

And for this case a collection of any numerical information is not referred as random sampling since we don't know if these scores are representative of the population of interest.

And we don't know if this information is obtained using any sampling frame or sampling methodology.  

8 0
3 years ago
What is the discriminant of f(x)=2x^2+8x+16 <br>and the number and type of roots​
vfiekz [6]

Answer:

2 imaginary roots

Step-by-step explanation:

The discriminate is the portion of the quadratic equation under the square root

D = b^2 - 4ac

D = 8^2 - 4(2)(16)

D = 64 - 128

D = -64

Since the discriminate is negative the square root will be imaginary

and there will be 2 of them

2 imaginary roots

7 0
3 years ago
Read 2 more answers
Ill give brainly if you answer first
nika2105 [10]

Answer:

a i think

Step-by-step explanation:

7 0
2 years ago
5x - 7(2- 4x) = <br> 8 - 3(6 - 6x) =<br> 9a - 4(2a + 5) =
kati45 [8]

Answer:

the answer to 5x-7(2-4x)= =33x−14

the answer to 8 - 3(6 - 6x) ==18x−10

the answer to 9a - 4(2a + 5) ==a−20

Step-by-step explanation:


8 0
4 years ago
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