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worty [1.4K]
3 years ago
7

Given the function w (×)=9×+8,evaluate w (5)

Mathematics
2 answers:
stira [4]3 years ago
7 0
We have to solve for x being 5.
9(5)+8
Let's multiply first.
45+8
Now add.
53
So, 9x+8=53 when x=5.
Tell me if this helps!!
Dafna1 [17]3 years ago
6 0
W(5)=9(5)+8
W(5)=45+8
W(5)=53

All you have to do is combine like terms by first multiplying 9 and 5 by substituting 5 for x and then add the 8
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PLEASE HELP!!! 10pts​
labwork [276]
<h3>I'll teach you how to solve (81x^-20 y^-16)^-3/4</h3>

---------------------------------------------------------------

(81x^-20 y^-16)^-3/4

Apply exponents rule:

(81x^-20 y^-16)^-3/4=

1 / (81x^-20 y^-16)^-3/4

Simplify (81x^-20 y^-16)^-3/4:

1/27/x^15 y^12

Apply the fraction rule:

x^15 y^12 / 27

Your Answer Is x^15 y^12 / 27

plz mark me as brainliest if this helped :)

8 0
3 years ago
A used car salesman wants to be able to predict the resale value of a car based on the age of the car. What type of variable is
Feliz [49]

Answer:

D. Cannot be determined without seeing the data.

Step-by-step explanation:

Option “D” is correct because age is a quantitative variable but if we look at the exact number or exact age of the car then the car’s age is quantitative discrete but if we look at the age of the car by going a number of years then it will be continuous. Therefore, without getting the exact information of the age of the car we cannot predict the type of variable. So the option “D” best fit for the answer.

4 0
3 years ago
22= -11k what does k equal
Snezhnost [94]

Answer:

k = -2

Step-by-step explanation:

Divide 22 by -11 as well as -11k by -11

(You have to divide both sides by the number that k is to find your answer)

22 divided by -11 = -2

-11k divided by -11 = k

meaning you would get the answer of k = -2

6 0
3 years ago
Below is a diagram of the base of gazebo hunter is building in his backyard
Brilliant_brown [7]

Full Question: Below is the diagram of the base of gazebo. Hunter is building for his backyard. He plans on gazebo having a height of 4 meters with a pyramid shaped roof that is an additional 2 meters high. He needs to order shingles for the roof and needs to know how much area is covered by shingles.

Answer:

2784 m^{2}

5 0
4 years ago
(a) Work out the reciprocal of 1.25
Oxana [17]

Answer:

0.8 OR \frac{4}{5}

Step-by-step explanation:

The reciprocal of any number is the number that it multiplies by to equal 1.

The reciprocal can be found by simply converting the number into a fraction and then 'flipping' the fraction as any number multiplied by its reciprocal is 1.

E.g.

No. X/Y * Y/X (its reciprocal) = 1

\frac{x}{y} *\frac{y}{x} =\frac{xy}{xy} =1

So, to find the reciprocal of 1.25,we should first convert 1.25 to a fraction.

1.25 = 125/100

\frac{125/25}{100/25}=\frac{5}{4}

Now we just flip 5/4 to get our reciprocal:

\frac{4}{5} = 0.8

Test: 0.8 * 1.25 = 1

The reciprocal of 1.25 (\frac{5}{4}) is 0.8 (\frac{4}{5}).

Hope this helped!

8 0
3 years ago
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