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KATRIN_1 [288]
3 years ago
15

I need to know how to solve this problem, you don't necessarily have to answer it, i just don't know the name and the steps to s

olving it because I missed out on a class that explained it, so I'm in the dark

Mathematics
1 answer:
Olegator [25]3 years ago
8 0

Answer:

f(-3) = -16

Step-by-step explanation:

Given piecewise function is,

f(x) = 5x - 1       If x < -2

        x + 3       If x ≥ -2

We have to find the value of he function when x = -3

Since x = -3 is less than x = -2,

Piece of the function to be considered,

f(x) = 5x - 1

f(-3) = 5(-3) - 1

f(-3) = -16

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The graph of y=2x^2-4x+2 has a y-intercept of (0,1).<br> A. True<br> B. False
astra-53 [7]
False. Set x = 0 and find y.

y = 2(0)^2 - 4(0) + 2
y = 0 - 0 + 2
y = 2

The y-intercept is (0, 2), not (0, 1).
8 0
4 years ago
Solve for x, then find the perimeter. You should select TWO answer choices.
dimulka [17.4K]

Answers:

x = 6 and P = 128

=================================================================

Explanation:

The tangents CT and CU are equal to each other. The rule is that tangent segments that meet at a common point are the same length.

Let's solve for x

CT = CU

3x = 18

x = 18/3

x = 6

Because CT = 18, this makes BC = BT+TC = 12+18 = 30

---------------------------

For similar reasoning as mentioned earlier, we can say tangents BT and BV are the same length. This means BV = 12.

Segment CD = 52 and CU = 18, which makes UD = CD-CU = 52-18 = 34

From there, we can say segment DV = 34 also. This leads to BD = BV+VD = 12+34 = 46

Triangle BCD has the three sides

  • BC = 30
  • CD = 52
  • BD = 46

The perimeter is

P = sum of the three sides

P = (side1)+(side2)+(side3)

P = BC + CD + BD

P = 30+52+46

P = 82+46

P = 128

7 0
3 years ago
The same eight people sit in a certain church pew every week, but not always in the same order. Every week, each person hugs the
vfiekz [6]

It takes 4 weeks at minimum for each pair to hug at least once if they sit in random order.

Analyzing the Given Information

As per the given information,

Number of people = 8

It is given that they sit in random order every week.

W e assume that the order is not repeated.

There are 4 pairs and since a person hugs both the persons on his immediate left and right.

Determining the Number of Weeks

Total number of people to be hugged by each person = 7

Number of people hugged by a person in one week = 2

So, number of weeks taken by each to huge every other person = 7/2

⇒ It will take (3 +1) for every pair to hug.

It takes 4 weeks at a minimum for every pair to hug if we assume that  their order is not repeated.

Learn more about order here:

brainly.com/question/10952560

#SPJ4

5 0
2 years ago
Somebody helpppppppppppoo
Marizza181 [45]

Answer:

40 degrees : )

4 0
3 years ago
Find the area of the triangles round to the tenth. Show steps please!
amm1812

Answer:

\large\boxed{A=89.6}

Step-by-step explanation:

It's the right triangle. The formula of an area of a right triangle:

A=\dfrac{leg\cdit leg}{2}

We have:

leg=x\\leg=16\\\text{and the angle}\ \alpha=55^o

Use tangent:

tangent=\dfrac{opposite}{adjacent}

opposite=16,\ adjacent=x

\tan55^o\approx1.4281

Substitute:

\dfrac{16}{x}=1.4281        <em>convert the decimal to the fraction</em>

\dfrac{16}{x}=\dfrac{14281}{10000}          <em>cross multiply</em>

14281x=160000            <em>divide both sides by 14281</em>

x=\dfrac{160000}{14281}

x\approx11.2

Calculate the area:

A=\dfrac{(16)(11.2)}{2}=89.6

7 0
3 years ago
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