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Liula [17]
3 years ago
10

Which is the graph of y = 2.5x? A. B. C. D.

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
5 0
The answer is D. because first you got solve the problem.

y=2.5x
(turn y to 0)
0= 2.5x
÷2.5  ÷2.5
_________
0=x

So we got one answer (0,0) 

y=2.5x
(turn x to 0)
y= 2.5(0)
 y=2.5

(2.5, 0)

When you do (0,0) (2.5,0) on the graph it will look like D.)
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F(x)=2^x evaluate f(5)
Helen [10]

Hey there!

To solve this, we will first replace x with 5 anytime we see it in the equation.

f(5) = 2^5

Now, we simplify 2^5.

The base is 2 and the exponent is 5 in this case.

The exponent is the number of times you multiply the base by itself. In oour case:

2 x 2 x 2 x 2 x 2 = 32

f(5) = 32

Hope this helps!

3 0
3 years ago
The angles in a triangle are represented by 5x, 8x, and 2x+9. What is the value of x?
Ahat [919]

Answer:

x = 11.4

Step-by-step explanation:

The sum of the angles of any triangle must add up to 180°.  Since we have the expressions for each angle:  5x, 8x, and (2x +9), we can solve for the variable of 'x' by adding the expressions together and setting them equal to 180:

5x + 8x + (2x +9) = 180

Combine like terms:  15x + 9 = 180

Use inverse operations: 15x + 9 - 9 = 180 - 9

                                                     15x = 171  or x = 11.4

Check:  5(11.4) + 8(11.4) + 2(11.4) + 9 = 57 + 91.2 + 22.8 + 9 = 180

8 0
3 years ago
1. The description "Y is 4 more than the opposite of X" is represented by
Vladimir [108]
I believe it is y= -x + 4
4 0
2 years ago
Number 4 pleeeaaassseee
dmitriy555 [2]
This is simple, cycle through the answers until you get 30 inches squared. The answer is height equals 5. 2x3x5=30
8 0
3 years ago
5 quarters weigh approximately 1 ounce. How many ounceswould you expect a collection of quarters worth $15 to weigh?
PSYCHO15rus [73]

5 quarters =1.25$

15$÷1.25$=12

then 15$ in quaters would weigh 12 ounces

8 0
2 years ago
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