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wlad13 [49]
3 years ago
8

Use Completing the square to solve: –3x^2 + 12x – 15 = 0

Mathematics
1 answer:
Reptile [31]3 years ago
4 0

Answer:

x = 5

x = -1

Step-by-step explanation:

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Leon wrote an expression that is equivalent to (30 + 6) ÷ 12. Which expression could be the one Leon wrote?
lesya [120]

Answer:

36/3*4

Step-by-step explanation:

Brainliest please!

8 0
4 years ago
5. Evaluate the function f (x) = 4•7^x for x=-1 and x= 2. Show your work.
mr Goodwill [35]

Answer:

Given

f

(

x

)

=

4

⋅

7

x

For

x

=

−

1

we have

f

(

−

1

)

=

4

⋅

7

−

1

=

4

7

using

a

−

n

=

1

a

n

For x=2, we have

f

(

2

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=

4

⋅

7

2

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196

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
HELP ME PLEASE
Scrat [10]

Answer:

7 units

Step-by-step explanation:

A=pi*r^2

153.86=3.14*r^2

153.86/3.14=r^2

49=r^2

r=7

6 0
3 years ago
. Explain the Error: Katie said, “All Negative numbers are integers.” What was her error?
Triss [41]

Answer:

All Negative numbers are NOT integers

Step-by-step explanation:

For example, If we take the negative number, -5/6

It is NOT a integer, it is a rational number.

Thus, this statement is wrong.

7 0
3 years ago
Read 2 more answers
What is the y-intercept of -3x-9y=18
marusya05 [52]
The y-int. Is -2 and the y intercept form is Y= -1/3x-2 from the form y=mx +b and bbis your y-int. You can find it by solving your equation for Y
5 0
4 years ago
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