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expeople1 [14]
3 years ago
10

Vertex of y=2x^2+4x-6

Mathematics
1 answer:
borishaifa [10]3 years ago
6 0

Answer:

(-4) (0)

Step-by-step explanation:

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Use trig ratios to find the measure of the angle in this triangle. A .cos^-1(4/5) B. tan(4/5) tan^-1(4/5) C. sin(4/5) D. cos(4/5
ololo11 [35]

Answer:

The answer is A

Step-by-step explanation:

Step 1: Use Cosine to find ∅

Cos∅=\frac{4}{5}

∅=Cos^{-1}(\frac{4}{5})

Therefore the answer is A

8 0
3 years ago
Practice Writing Composite Functions Given: f(x) = x - 7 and h(x) = 2x + 3 Write the rule for h(f(x)).
Setler79 [48]

Answer:

<h2>h(f(x)) = 2x - 11</h2>

Step-by-step explanation:

f(x) = x - 7

h(x) = 2x + 3

To find h(f(x)) substitute f(x) into h(x) that's replace every x in h(x) by f(x)

That's

h(f(x)) = 2(x - 7) + 3

h(f(x)) = 2x - 14 + 3

We have the final answer as

<h3>h(f(x)) = 2x - 11</h3>

Hope this helps you

6 0
3 years ago
If (1/9x)-2 , what is f–1(x)?
julia-pushkina [17]
F(x) = (1/9 x) - 2
y = (1/9 x) - 2
(1/9 x) = y + 2
x = 9(y + 2) = 9y + 18

f^-1(x) = 9x + 18
3 0
3 years ago
Can anyone help? will mark brainliest!! :D
uranmaximum [27]

Answer:

702in^2

Step-by-step explanation:

First you want to find out the area of each of the squares. So first lets do the two 9x9 squares.

9x9+9x9=81+81= 162in^2

Now lets do the bigger rectangle, we see that the width is 15 and that half of the lenght is 18. So with this information the area equation would be 15x(18+18)= 15x36= 540in^2.

Now that we have both the two smaller squares and the bigger rectangle we just have to add them together.

540+162=702in^2 would be the answer

7 0
3 years ago
Find 1+ 2+ 3+ 4+ ... +50, the sum of the first 50 natural numbers.<br> The sum is
SOVA2 [1]

Step-by-step explanation:

First term(a) = 1

Common difference(d)=2-1=1

No.of term(n)=50

Sn=n÷2(n+1)=50÷2(50+1)=1275

7 0
4 years ago
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