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STatiana [176]
2 years ago
15

Can someone please help me with this for brainliest!!!!!

Mathematics
1 answer:
sergiy2304 [10]2 years ago
4 0

Answer:

(c) 65

Step-by-step explanation:

(f ⁰ g)(x) = 3(x² + 4) + 5

(f ⁰ g)(4) = 3(4² + 4) + 5 = 3*20 + 5 = 65

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Could someone help me out please!
cluponka [151]

Answer:

  1. BC = 6
  2. x = 5
  3. CE = 16
  4. Yes, BC║DE

Step-by-step explanation:

1. The parallel lines make the various triangles similar, so the corresponding sides are in proportion.

... BC/AB = FE/A.F

... BC/9 = 4/6

... BC = 9·4/6 = 6

2. As in problem 1, the triangles are similar, so ...

... x/(x+10) = 10/30

... 30x = 10x + 100 . . . . multiply by 30(x+10)

... 20x = 100 . . . . . . . . . subtract 10x

... x = 100/20 = 5

3. As in problems 1 and 2, the triangles are similar, so ...

... AD/DB = CE/EB

... 24/27 = CE/18

... 18·24/27 = CE = 16

4. If the lines of interest are parallel, the triangles will be similar and corresponding measures will be in proportion.

Compare AD/DB = 15/12 = 5/4 to AE/EC = 10/8 = 5/4. These are equal, so corresponding measures are proportional. Therefore we conclude the triangles are similar and BC║DE.

7 0
3 years ago
What method is best to solve each equation?
Paladinen [302]
It really depends on your preference of method
7 0
3 years ago
Use the discriminant to determine the type and number of solutions.
Nata [24]

The type and number of solutions is (b) two imaginary solutions.

<h3>How to determine the type and number of solutions?</h3>

The equation is given as:

3x² + 5x + 5 = 0

A quadratic equation can be represented as:

ax^2 + bx + c = 0

Where, the discriminant (d) is

d = b^2 - 4ac

So, we have

d = 5^2 - 4 * 3 * 5

Evaluate

d = -35

The value of d is negative

This means that the equation has only imaginary solutions

Hence, the type and number of solutions is (b) two imaginary solutions.

Read more about number of solutions at

brainly.com/question/25275758

#SPJ1

5 0
1 year ago
Put the following equation of a line into slope-intercept form, simplifying all
seraphim [82]

6x -15y = 135

-15y = 135 -6x

y = (135-6x)/-15

y = 2/5x + 9

8 0
3 years ago
Classify each graph as increasing, decreasing, constant
posledela

Answer:

3. increasing

4. decreasing

Step-by-step explanation:

well for graph 3 the values are increasing

and for graph 4 the values are decreasing

8 0
2 years ago
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