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irina1246 [14]
3 years ago
5

Identify whether each of these functions contains a minimum or a maximum

Mathematics
1 answer:
iogann1982 [59]3 years ago
7 0

Answer:

I graphed the functions on the graph below.

Step-by-step explanation:

1) Minimum

2) Maximum

3) Minimum

4) Maximum

If these answers are correct, please make me Brainliest!

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The length of a rectangle is x feet. Its width is (x-7) feet. Draw and label a rectangle to represent this situation. Then write
a_sh-v [17]

Answer:

Perimeter of rectangle:

(4x - 14)\text{ feet}            

Step-by-step explanation:

We are given the following in the question:

Length of rectangle:

x\text{ feet}

Width of rectangle:

(x-7)\text{ feet}

Perimeter of rectangle:

2\times \text{(Length + Width)}

Expressions to calculate perimeter

1. ~2((x) + (x - 7))\text{ feet}\\2.~2(2x-7)\text{ feet}\\3.~ 4x-14\text{ feet}

The attached image shows the image of the rectangle.

3 0
3 years ago
A bag contains 5 blue marbles, 6 red marbles, and 9 green marbles. Two marbles are drawn at random, one at a time. What is the p
Leokris [45]
Your answer would be C. 27/190.

This is because the probability of choosing green as the first marble would be 9/20, as there are 20 marbles in total and 9 of those are green.

The probability of choosing a red marble as the second marble would be 6/19, as no red marbles would have been lost if green was picked first, but there would be one less marble in total.

The 'and' rule for probability, the one that is used to determine the probability of P(A) and P(B), is to multiply, so we need to do 9/20 × 6/19 = 54/380 = 27/190.

I hope this helps!
7 0
3 years ago
Use the Rational Zeros Theorem to write a list of all possible rational zeros of the function.
marishachu [46]

Answer:

\text{Possible rational zeros}=\pm1,\pm\frac{1}{2},\pm2,\pm3,\pm\frac{3}{2},\pm6,\pm9,\pm\frac{9}{2},\pm18

Step-by-step explanation:

We have been given the function

f(x)=-2x^2+4x^3+3x^2+18

From the rational zeros theorem, we have

\text{Possible rational zeros}=\pm\frac{\text{Factors of constant term}}{\text{Factors of leading coefficient}}

From the given function,

Leading coefficient = 2

Factors of 2 are 1,2

Constant term = 18

Factors of constant term = 1, 2, 3, 6, 9, 18

Hence, we have

\text{Possible rational zeros}=\pm\frac{1,2,3,6,9,18}{1,2}\\\\\text{Possible rational zeros}=\pm1,\pm\frac{1}{2},\pm2,\pm3,\pm\frac{3}{2},\pm6,\pm9,\pm\frac{9}{2},\pm18

6 0
3 years ago
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
3 years ago
Meryl needs to cut down 10.5 trees for every 5 cabins she builds.
Zepler [3.9K]

Answer:

for seven cabins it should be 14.7 trees, im not sure about 3 cabins, sorry :(

5 0
3 years ago
Read 2 more answers
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