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Oliga [24]
3 years ago
14

Which function opens down

Mathematics
1 answer:
Nikolay [14]3 years ago
3 0

Answer:

f(x) = –2(x–4)² + 1

Step-by-step explanation:

well, your option need square ?

open down if the coefficient of x² is negative

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Letv⃗ 1=⎡⎣⎢012⎤⎦⎥,v⃗ 2=⎡⎣⎢1−20⎤⎦⎥,v⃗ 3=⎡⎣⎢30−1⎤⎦⎥be eigenvectors of the matrix A which correspond to the eigenvalues λ1=−3, λ2=2
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6 0
3 years ago
The Masons are driving home from a trip. The function graphed models the Masons' distance from home, y, in miles, after x hours
Studentka2010 [4]
The 1.Y-intercept indicates that the Masons were 2.400 mi <span>home when they begin driving.

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8 0
3 years ago
Find the length of the hypotenuse !!
bearhunter [10]

Answer:

17

Step-by-step explanation:

To find the hypotenuse, you would use the Pythagorean theorem.

A^{2} +B^{2} =C^{2}

We can plug 8 and 15 into A and B\

8^{2} +15^{2} =C^{2}

We can simplify this to

64+225=C^{2}

289 = C^{2}

To get C by itself not squared, we can do the square root of both sides.

\sqrt{289} =\sqrt{C^{2} }

If we simplify, we get

17 = C or C = 17

Therefore the length of the hypotenuse is 17.

6 0
4 years ago
Mr. Clark sold 280 bags of chips and 415 bottles of juice in 5 days. At this rate, Mr. Clark will sell_________ bottles of juice
shtirl [24]

Answer:

D

Step-by-step explanation:

Because in 5 days he did 415 bottle in 12 it will be 996.

5 0
3 years ago
Read 2 more answers
Please explain in steps!
iragen [17]

3. \:  {2 + 4^2} - 4+ 2 \\  = 2 + 16 - 4 + 2 \\  = 18 - 4 + 2 \\  = 14 + 2 \\  = 16 \\  \\ 4. \:  {84 + 7}^{2}  - 9 + 2 \\  = 91^{2}  - 9 + 2 \\  = 8281 - 9 + 2 \\  = 8272 + 2 \\  = 8274 \\  \\ 5. \: {5 ^{2}  + 7} + 5 - 6 \\  = 25 + 7 + 5 - 6 \\  = 32 + 5 - 6 \\  = 37 - 6 \\  = 31 \\  \\ 6. \: {4^{2}  + 7} + 4 - 10 \\  = 16 + 7 + 4 - 10 \\  = 23 + 4 - 10 \\  = 27 - 10 \\  = 17 \\  \\ 7. \: 2 - {4 + 2}^{2}  + 9 \\  = 2 - 6^{2}  + 9 \\  = 2 - 36 + 9 \\  =  - 34 + 9 \\  =  - 25 \\  \\ 8. \: 3 - {6 + 3}^{2}  + 9 \\  = 3 - 9^{2}  + 9 \\  = 3 - 81 + 9 \\  =  - 78 + 9 \\  =  - 69 \\  \\ 9. \: {42 + 7}^{2}  - 2 + 5 \\  = 49^{2}  - 2 + 5 \\  = 2401 - 2 + 5 \\  = 2399 + 5 \\  = 2404 \\ \\ 10. \: {2^{2}  + 5} \times 2 - 7 \\  = (4 + 5) \times 2 - 7 \\  = 9 \times 2 - 7 \\  = 18 - 7 \\  = 11 \\  \\ 11. \: 6 \times {66 + 11 - 5}^{2}  \\  = 6 \times 77 - 5^{2}  \\  = 6 \times 72^{2}  \\  = 6 \times 5184 \\  = 31104 \\  \\ 12. \: {78 + 13}^{2} - 8 + 5 \\  = 91^{2}   - 8 + 5 \\  = 8281 - 8 + 5 \\  = 8273 + 5 \\  = 8278

5 0
4 years ago
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