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Sergeu [11.5K]
4 years ago
14

Given the piecewise function shown below, select all of the statements that are true.

Mathematics
1 answer:
mafiozo [28]4 years ago
8 0
A.  f(1)=5   (as defined on the second line, x=1)   TRUE  because f(1)=5
B.  f(5)=5^2=25 (as defined on third line, x>1)   FALSE   because f(5) ≠ 1
C. f(-2)=2(-2)=-4  (as defined on first line, x<1)  FALSE   because f(-2) &ne; 4
D. f(2)=2^2=4  (as defined on third line, x>1)   TRUE   because f(2)=4
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A car can travel 247 kilometers on 19 liters of gasoline. how much gasoline will it need to go 429 kilometers?
7nadin3 [17]

find the number of miles per 1 liter:

247 kilometers / 19 liters = 13 kilometers per liter.


Divide how may kilometers they want to go by kilometers per liter:

429 kilometers / 13 kilometers per liter = 33 liters are needed.

6 0
3 years ago
Lola measures three buttons for a shirt she’s making. One button is 1/8, 3/8 and 1/4 inch. The button hole is 2/6 of an inch. Wh
mel-nik [20]

Answer:

3/8

Step-by-step explanation:

That's the only one bigger than 2/6, any smaller will fall out as it's a button. You'd twist it sort of in half to get it in the hole, therefore, 3/8 is the only button that will fit.

I'm not sure if this is correct but this is how I'd go about it :)

7 0
3 years ago
Write an expression to represent the product of 6 and the square of a number plus 15.
Elenna [48]

Answer:

Step-by-step explanation:

6(x²+15)

3 0
3 years ago
Read 2 more answers
Find the slope and the y-intercept of the graph of the linear equation. y=-7x+12<br><br>​
Sever21 [200]
Slope = -7

Y intercept= 13
7 0
2 years ago
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Please help me with this question. I will mark brainliest
Hatshy [7]

Answer:

19,350.4 or 19,350 if they want it rounded

Step-by-step explanation:

To find the mean you must add up all the numbers. Then, divode that sum by the amount of numbers you added up.

Explanation:

16,746 + 18,423 + 20,536 + 19,572 + 21,475 = 96,752

96,752/5 = 19,350.40

Hope this helps you out!! : )

4 0
3 years ago
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