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saw5 [17]
3 years ago
13

Https://brainly.com/question/23389243?answeringSource=feedPublic%2FhomePage%2F21

Mathematics
1 answer:
nadya68 [22]3 years ago
6 0

Answer:

liar

Step-by-step explanation:

liar

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What are the zeros of the function f(x) = x2 + 8x +4, expressed in simplest radical form?
Elanso [62]

Answer:

x = - 4 ± 2\sqrt{3}

Step-by-step explanation:

Given

f(x) = x² + 8x + 4

To find the zeros let f(x) = 0, that is

x² + 8x + 4 = 0 ( subtract 4 from both sides )

x² + 8x = - 4

To solve using the method of completing the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(4)x + 16 = - 4 + 16

(x + 4)² = 12 ( take the square root of both sides )

x + 4 = ± \sqrt{12} = ± 2\sqrt{3} ( subtract 4 from both sides )

x = - 4 ± 2\sqrt{3}

Thus the zeros are

x = - 4 - 2\sqrt{3} and x = - 4 + 2\sqrt{3}

5 0
3 years ago
I suck at math and need help
tankabanditka [31]

Answer:

B. 3 + 5i

Step-by-step explanation:

-2i + (9 - 3i) - (6 - 10i) =

= - 2i + 9 - 3i - 6 + 10i

= 5i + 3

= 3 + 5i

3 0
3 years ago
Read 2 more answers
Given the function y=1/2x-2 and the domain {-1,0,1}, what is the range of the function?
Marina86 [1]
I have no idea good question though 69=y
4 0
3 years ago
Julie was given a new map of New Hampshire to calculate some distances. The scale is 1 inch = 50 miles. How far is Conway from L
Aloiza [94]

Answer:

Conway is 312.50 miles from Littleton

Step-by-step explanation:

Given

Scale: 1\ in = 50\ mi

See attachment

Required

Distance between Conway and Littleton

The scale distance between Conway and Littleton is 6.25 inches.

So, the actual distance is calculated as:

1\ in = 50\ mi

Multiply both sides by 6.25

6.25 * 1\ in = 50\ mi * 6.25

6.25\ in = 312.50\ mi

<em>Hence, Conway is 312.50 miles from Littleton</em>

7 0
2 years ago
What is the answer to this question.
wariber [46]

Answer:

1

Step-by-step explanation:

(-3x^2-7x+9)+(-5x^2+6x-4)\\(-3x^2+(-5x^2))+(-7x+6x)+(9+(-4))\\-8x^2-x+5

7 0
3 years ago
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