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marta [7]
2 years ago
9

Plsss help :) will give brainly

Mathematics
1 answer:
AysviL [449]2 years ago
7 0

Answer:

y = ( x - 4 )²- 4

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Help help help help help help help
earnstyle [38]

Answer:

The first one is 90, and the second one is 150

Explanation:

40% of 90 is 36, and

40% of 150 is 60.

8 0
2 years ago
A line passes through the points (2, -2) and (-6.2), The point (a, -4) is also on the line. What is the value of a?
balu736 [363]

Answer:

It's is a negative one ( -1 )

Step-by-step explanation:

The explanation is in the question, if you draw the line you will see it.

5 0
2 years ago
Modeling Exponential Growth and Decay In Exercises 119 and 120, Find the exponential function
Lubov Fominskaja [6]

Answer:

There is no exponential function passing through (1,1) and (5,5).

Step-by-step explanation:

We have the following exponential function

y = Ce^{kt}

The function passes through these two points:

(1,1): This means that when t = 1, y = 1

(5,5): This means that when t = 5, y = 5.

So

(1,1)

y = Ce^{kt}

Ce^{k} = 1

e^{k} = \frac{1}{C}

(5,5)

y = Ce^{kt}

5Ce^{k} = 1

Ce^{k} = \frac{1}{5}

From above, we have that:

e^{k} = \frac{1}{C}

C\frac{1}{C} = \frac{1}{5}

1 = \frac{1}{5}

1 cannot be equal to 1/5, so this is wrong.

This means that there is no exponential function passing through (1,1) and (5,5).

5 0
3 years ago
Factor 5v^2 - 23v - 10​
AfilCa [17]

Answer:

(5v + 2)(v - 5)

Step-by-step explanation:

Hello!

The expression is written in the form of ax^2 + bx + c

Let's factor by grouping:

ac  = -50

The sum of the factors of -50 should add up to -23.

-25 and 2 work for this.

Expand and factor:

  • 5v^2 - 23v - 10
  • 5v^2 - 25v + 2v - 10
  • 5v(v - 5) +2(v -5 )
  • (5v + 2)(v - 5)

The factored expression is (5v + 2)(v - 5)

7 0
1 year ago
3/2•6-3+5/3•3<br><br> anyone know this ?
Solnce55 [7]
I believe the answers is 11
3 0
3 years ago
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