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2 years ago

Which expressions are equivalent to the expression shown? (2.5 X 10^-6) (7.3 X 10^-2)

Mathematics

1 answer:

Sveta_85 [38]2 years ago

4 0

Answer:

Just type this into a graphing calculator I would do it but im on the road right now. The graphing calculator will tell you exactly what the answer is.

Step-by-step explanation:

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(4,?) is on the line below. Find the other half of the coordinate. y= 2 7 x−3 y=27x-3

valina [46]

If you meant y = 27x - 3, OK. Then, if x = 4, y = 27(4) - 3, or 108-3 = 105.

8 0

2 years ago

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Anuta_ua [19.1K]

Slope: 1/40

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6 0

2 years ago

1. What's 7/8 as a decimal?

denpristay [2]

Answer:

0.875

Step-by-step explanation:

7/8 as a decimal is 0.875. Another was of thinking of this is the number '7' is 87.5 percent of the number '8.

5 0

2 years ago

Solve the equation 1/2x=5/2x-3

lilavasa [31]

Answer:

i think it is a but there are algebra caculators online

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Help! I have looked at so many lessons on writing exponential functions from a graph and nothing has helped.

Over [174]

Answer:

y = $8(-\frac{1}{2})^x$

Step-by-step explanation:

Let the equation of the exponential function is,

y = a(b)ˣ

Since the graph of this function passes through two points $(4, \frac{1}{2})$ and (3, -1)

For the point $(4, \frac{1}{2})$ ,

$\frac{1}{2}=a(b)^4$ ---------(1)

For second point (3, -1),

-1 = a(b)³ ---------(2)

Divide equation (2) by equation (1),

$\frac{\frac{1}{2}}{-1}$ = $\frac{a(b)^4}{a(b)^3}$

$-\frac{1}{2}=b^{(4-3)}$

$-\frac{1}{2}=b$

From equation (2)

-1 = $a(-\frac{1}{2})^3$

-1 = $-\frac{1}{8}a$

a = 8

Therefore, equation of the exponential function will be,

y = $8(-\frac{1}{2})^x$

4 0

2 years ago