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andrew-mc [135]
3 years ago
8

What's The Answer??????????????????

Mathematics
1 answer:
Yuri [45]3 years ago
7 0
f(x) =  \dfrac{x}{2} - 2

g(x) = 2x^2 + x - 3

(f + g)(x) =  \dfrac{x}{2} - 2+ 2x^2 + x - 3

(f + g)(x) = 2x^2 + \dfrac{3}{2}x - 5
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Here are a bucket load of points(and brainliest) for a bucket load of help. SO PLEASE HELP.
Daniel [21]
2a) 12.9 cm
2b) 8.5 cm
2c) 6.9 cm

3a) 3.5 cm
3b) 2 cm
3c) 6.9 cm

Hope this was helpful :)
4 0
3 years ago
What is the length of the altitude of the equilateral triangle below
AVprozaik [17]

Answer

Find out the altitude of the equilateral triangle .

To proof

By using the trignometric identity.

tan\theta = \frac{Perpendicular}{base}

As shown in the diagram

and putting the values of the angles , base and perpendicular

tan 60^{\circ} = \frac{a}{4\sqrt{3}}

tan 60^{\circ} = \sqrt{3}

solving

\sqrt{3} = \frac{a}{4\sqrt{3}}

a = \sqrt{3}\times 4 \sqrt{3}

As

\sqrt{3}\times \sqrt{3} = 3

put in the above

a = 4 × 3

a = 12 units

The  length of the altitude of the equilateral triangle is 12 units .

Option (F) is correct .

Hence proved






3 0
3 years ago
Read 2 more answers
If a cube has a mass of 90.91 kilograms and a weight of 200 pounds on Earth, what
blagie [28]

What planet?

Like mars?

4 0
3 years ago
Read 2 more answers
The diagram shows TUV. Which term describes point W?
alex41 [277]
A. incenter

point w is shown in the triangle formed by 3 different lines. these lines are called angle bisectors, and the point at which the angle bisectors meet is called the incenter of a triangle
5 0
3 years ago
The table shows the value of an account x years after the account was opened. Based on the exponential regression model, which i
lana66690 [7]

Answer:

Correct choice is B

Step-by-step explanation:

The exponential regression model can be written as exponential function

y=a\cdot b^x.

Then

5,000=a\cdot b^0=a,\\ \\5,510=a\cdot b^2\Rightarrow 5,510=5,000\cdot b^2,\\ \\b^2=\dfrac{5,510}{5,000}=\dfrac{551}{500}\Rightarrow b\approx 1.05.

Thus,

y=5,000\cdot (1.05)^x.

When x=12, you get

y(12)=5,000\cdot (1.05)^{12}\approx \$8,980.

6 0
3 years ago
Read 2 more answers
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