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natta225 [31]
3 years ago
12

In a survey, 60 people were asked:

Mathematics
1 answer:
LuckyWell [14K]3 years ago
7 0
The correct Answer is B Morning Newspaper
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Find f(-6) for f(x) = x² - 4x + 5. Be sure to show<br> your work.
Marina86 [1]

substitute -6 in the equation:

f(x)=x^{2} -4x+5,\\f(-6)=(-6)^{2} -4(-6)+5\\f(-6)=36+24+5\\f(-6)=\boxed{65}

4 0
3 years ago
Explain how you know that each pair of triangles are similar.
xenn [34]

<em>If two pairs of corresponding angles in a pair of triangles are congruent, then the triangles are similar. We know this because if two angle pairs are the same, then the third pair must also be equal. When the three angle pairs are all equal, the three pairs of sides must also be in proportion.</em>

8 0
3 years ago
Using the distance formula , find the distance from the center of your habitat to the point (x, y). Write this equation. Your an
alexdok [17]

Answer:

See explanation

Step-by-step explanation:

The distance formula is given by:

d =  \sqrt{ {(x_2-x_1)}^{2} +  {(y_2-y_1)}^{2}  }

We want to find the distance between (a,b) and (x,y).

The center of the habitat is missing in the question.

Assuming the center is (a,b) where a and b are real numbers, then we can use the distance formula to obtain:

d = \sqrt{(x - a)^{2} +  {(y - b)}^{2}  }

For instance if the center of your habitat us (2,-1), then

d = \sqrt{(x - 2)^{2} +  {(y  + 1)}^{2}  }

6 0
3 years ago
Which equation represents the line that passes through the point (4, -5) and is perpendicular to the line x + 2y = 5?
Lerok [7]

Answer:

y = 2x - 13

Step-by-step explanation:

Equation of a line is y = mx + c, m is the gradient and c is the intercept

The line passes through points 4 and -5, x is 4 and y is -5

-5 = 4m + c

When two lines are perpendicular, the products of their gradients are equal to -1, m1 * m2 = -1

x + 2y = 5

2y = -x + 5

y = (-1/2 * x) + 5

therefore m = -1/2

m1 * m2 = -1

m * -1/2 = -1

-m = -2 , therefore m = 2

-5 = 4 * 2 + c

c = -5 - 8, which is -13

Therefore the equation for the line is

y = 2x - 13

7 0
3 years ago
Help me please express the simplest radical form
Lelechka [254]

Answer:

8\sqrt{2}

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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