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ira [324]
4 years ago
10

Please help, last two questions.

Mathematics
1 answer:
Novay_Z [31]4 years ago
5 0
First problem.
The function is f(x) = 3^x.
The base, b, is 3 since 3 is raised to power x.
The question is what value of x used in 3^x makes the expression 3^x equal to 3?
Look at the graph, and find the point that has y-value 3.
Which x-value does that point have?
The point is (1, 3), and the x-value is 1.

Second question.
The question is similar to the question above using a different exponential function.
(1/4)^1 = 1/4, so the answer is x = 1
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A girl wants to count the steps of a moving escalator which is going up. If she is going up on it, she counts 60 steps. If she i
SOVA2 [1]
Add 60 and 90 to get 150 then divide by 2 and get 75 which is the answer i believe.
4 0
4 years ago
Guys I really need help!
olasank [31]

Answer: false

Step-by-step explanation:

8 0
4 years ago
While on vacation in Mexico Jeremiah reads a distance marker that indicates he is 89 kilometers from Juarez. If 1 mile is approx
Sedbober [7]

Answer:

Distance  between Jeremiah and  Juarez is 55.3 miles

Step-by-step explanation:

We are given

1 mile is approximately 1.61 kilometers

so,

1.61 km =1 mile

we can divide both sides by 1.61

1km=\frac{1}{1.61}mile

now, to find for 89 km

we can multiply both sides by 89

89\times 1km=89\times\frac{1}{1.61}mile

now, we can simplify it

and we get

89 km =55.2795 mile

so, nearest tenth is

89 km =55.3 mile

So,

Distance  between Jeremiah and  Juarez is 55.3 miles


6 0
3 years ago
What is the equation, in slope-intercept form, for the line through the point
goblinko [34]

Answer:

A perpendicular line has an opposite-reciprocal slope.

The slope given is m = 5. So the perpendicular slope is m = -\frac{1}{5}.

Now subsitute your (x, y) values to find the y-intercept, b.

y = -\frac{1}{5} x + b

-1 = -\frac{1}{5}( 3) + b

-1 = -\frac{3}{5}+ b

-1 + \frac{3}{5} = b

-\frac{5}{5} + \frac{3}{5} = b = -\frac{2}{5}

Answer: y = -\frac{1}{5} x - \frac{2}{5}

Step-by-step explanation:

3 0
3 years ago
Simplify. Please show your work.<br> 4a+12b+10a-4b
Drupady [299]

Answer:

14a + 8b

Step-by-step explanation:

First, you need to combine like terms.

4a + 10a = 14a

12b + (-4b) = 8b

14a + 8b

6 0
3 years ago
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