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Mars2501 [29]
3 years ago
15

Need help ASAP 16. What is f(-1)

Mathematics
2 answers:
e-lub [12.9K]3 years ago
8 0

Answer:

f(- 1) = 3

Step-by-step explanation:

locate x = - 1 on the x- axis, go vertically up to meet the graph at (- 1, 3 ) , so

when x = - 1, then y = 3 , that is

f(- 1) = 3

OlgaM077 [116]3 years ago
3 0

Answer:

y = 0

Step-by-step explanation:

READ THE GRAPH. If X = 1, then Y = 0. have a nice day

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Darren purchased a bicycle for 25% of the original cost at Walmart. If the Original cost of the bicycles was $200, how much did
Leona [35]

Answer:

its 50

Step-by-step explanation:

25 % of 200 is 50 thus the answer being half of 100

6 0
2 years ago
Colin and amil Each built boxes with a volume of 8 ft.³ Collins box is a cube almils box is a rectangular prism the length of am
SOVA2 [1]

Answer:

4' x 2' x 1'

Step-by-step explanation:

Collins' cube has a volume of that is the length of any side, x, cubed:  Vol = x^3.  Since his box has 8^3, we can say that x = 2.  <u>[2^3 = 8]</u>

Amil's box has one side that is 2x.  That side would be 2*2 = 4 feet.  His volume is also 8 ft^3.  Amil's box also has a volume of 8 ft^3.

His box dimensions are therefore:  (4)(X)(Y) = 8 ft^3 , where X and Y are whole-number dimensions for the other 2 dimensions of his box.

(4)(X)(Y) = 8 ft^3

      X*Y = 2

The only combination of whole numbers for which this this would work is 1 and 2.

Amil's box is 4' x 2' x 1' or 8 ft^3

3 0
3 years ago
I needdddddd Help now!
exis [7]

Answer:

29/30

Step-by-step explanation:

Converting 0.66(repeating) to fractions is using the hack of if there is a single repeating digit, put that over 9. So, 0.6666(repeating) is 6/9 or 2/3. Now, 0.3 is 3/10.

Creating a qcd(quick common denominator) we have 20/30+9/30 = 29/30, which cannot be simplified further.

4 0
2 years ago
Read 2 more answers
Tommy's salary increases by 4% each year. This year, Tommy's salaray was $42,250. How much will her salary be in 7 years?
Nuetrik [128]

Answer:

$295,750

Step-by-step explanation:

<u>Given</u>

Tommy's salary increases by 4% each year.

Increase to 4%

1 year = $42,250

7 years = $?

<u>To find</u>

So if 1 year is $42,250, then to find 7 years, you multiply the given by what you are trying to find.

Set up.

1/42250 x 7/x =

295,750

Therefore, Tommy's salary be in $295,750 7 years.

5 0
3 years ago
Write each equation in slope intercept form. Identify the rate of change and the Y intercept ( write in coordinate form). Show w
Snezhnost [94]

ABOUT SLOPE INTERCEPT FORM:

  • y = mx + b
  • m represents the slope
  • b represents the y - intercept AKA the starting point

You have to isolate y in order for the equation to be in Slope Intercept Form...

9:

7x + 10y = 7x + 50

-7x            -7x

<u>10y = x + 50</u>

10        10

y = 10x + 5 where 10 is the slope AKA the ROC & 5 is the y - intercept AKA the starting point.

10:

<u>9y = 4x + 27</u>

9            9

y = 4/9x + 3 where 4/9x is the slope AKA the ROC & 3 is the y- intercept AKA the starting point.

11:

<u>3x = 42</u>

3        3

x = 14

Um.. For this one, IDK... Where is the the other variable(y)?

12:

6x - 42y = 168

-6x              -6x

<u>-42y = -6x + 168</u>

-42            -42

y = -6/42x + 4 where -6/42x is the slope AKA the starting point & where 4 is the y - intercept AKA the starting point.

I think I might've did the last 2 wrong... I'm not sure... Really really sorry if I'm incorrect...



6 0
3 years ago
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