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Aleks [24]
4 years ago
14

ASAAPPP!! Which of the following exponential equations could be represented by the table below?

Mathematics
2 answers:
Ira Lisetskai [31]4 years ago
8 0

Answer:

C) y=3^{x-3}+2

Step-by-step explanation:

In this question, from the table looking at the Range row (y values). We can clearly see increasing values. Increasing exponential functions follow this rule:

y=a^{n} \Rightarrow a>1

As \frac{1}{3} We can eliminate A, D for they are decreasing exponential functions.

And let's focus on the test for B, and C

b) y=3^{x-2}-3\\y=3^{-3-2}-3\Rightarrow (-3,-2.9959)\\c) y=3^{x-3}+2\\y=3^{-3-3}+2\Rightarrow (-3,2.0014)

As the first coordinate point matches, then it's C the answer

Ne4ueva [31]4 years ago
7 0

Answer:

Option C

Step-by-step explanation:

Just took the quiz and it was right.

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Pleaseeeee helppppp
IRINA_888 [86]

Answer:

  (a)  (6, 2)

Step-by-step explanation:

The system of equations has one of them in y= form, so it lends itself to solution by substitution.

__

Using the equation for y to substitute into the first equation, we have ...

  2x -y = 10

  2x -(-1/2x +5) = 10 . . . . . substitute for y

  2x +1/2x -5 = 10 . . . . . eliminate parentheses

  5/2x = 15 . . . . . . . . . add 5, collect terms

  x = 6 . . . . . . . . . . . multiply by 2/5

Using the equation for y, we have ...

  y = -1/2(6) +5 = -3 +5

  y = 2

The solution is (x, y) = (6, 2).

3 0
2 years ago
An Olympic swimming pool is 50 metres long by 25 metres wide. Rebecca draws a scale diagram of it to a scale of 1 cm to 5 m. How
evablogger [386]

Answer:

10

Step-by-step explanation:

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

the scale drawing is usually reduced at a constant dimension

scale of the drawing = original dimensions / dimensions of the scale drawing

Scaled length of the pool = 50 / 5 = 10cm

7 0
3 years ago
How to do compound and simple interest
Cerrena [4.2K]

Answer:

We can compute simple interest by finding the interest rate percentage of the amount borrowed, then multiply by the number of years interest is earned. Another type of interest calculates interest on both the money initialy deposited as well as the interest money earned, and is called compound interest.

Step-by-step explanation:

hope this helps

3 0
3 years ago
How do you add with decimals step by step?
astra-53 [7]

Answer:

https://www.mathsisfun.com/adding-decimals.html

This has an explanation.

5 0
3 years ago
Did Cherise use algebra tiles to correctly represent the product of (x – 2)(x – 3)? No, she did not multiply the x-tiles by the
Alina [70]
(x -2)(x - 3)
x(x - 3) - 2(x - 3)
x^2 - 3x - 2x + 6
x^2 - 5x + 6 <===

I dont know what cherise did, but this is the correct way 
6 0
4 years ago
Read 2 more answers
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