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4 years ago

Helpppp me pleaseeeee

Mathematics

1 answer:

Mkey [24]4 years ago

3 0

what grad are you in its 2

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Help me please in this problem

MaRussiya [10]

I think it’s 12.67 I’m not so sure

8 0

3 years ago

Please help! BRAINLIEST!!!

poizon [28]

Answer:

50. in this graph it is talking about the rate it changed from 1 to 4

Step-by-step explanation:

f(b)-f(a)/b-a

270-120/4-1

6 0

3 years ago

Keegan is printing and selling his original design on t-shirts. He has concluded that for x shirts, in thousands sold his total

Katarina [22]

Answer:

t-shirts: 2790

profit: $12209

Step-by-step explanation:

Given the function:

p(x) = -x³ + 4x² + x

we want to maximize it.

The following criteria must be satisfied at the maximum:

dp/dx = 0

d²p/dx² < 0

dp/dx = -3x² + 8x + 1 = 0

Using quadratic formula:

$x = \frac{-b \pm \sqrt{b^2 -4(a)(c)}}{2(a)}$

$x = \frac{-8 \pm \sqrt{8^2 -4(-3)(1)}}{2(-3)}$

$x = \frac{-8 \pm 8.72}{-6}$

$x_1 = \frac{-8 + 8.72}{-6}$

$x_1 = -0.12$

$x_2 = \frac{-8 - 8.72}{-6}$

$x_2 = 2.79$

d²p/dx² = -6x + 8

d²p/dx² at x = -0.12: -6(-0.12) + 8 = 8.72 > 0

d²p/dx² at x = 2.79: -6(2.79) + 8 = -8.74 < 0

Then, he should prints 2.79 thousands, that is, 2790 t-shirts to make maximum profits.

Replacing into profit equation:

p(x) = -(2.79)³ + 4(2.79)² + 2.79 = 12.209

that is, $12209

3 0

3 years ago

(3x-8)(2xsquared4x-9) multiply and write the result in descending order

RSB [31]

Hello there, you can proceed with the multiplication of these factors using the FOIL method (which stands for first, outer, inner and last) multiply I assume that by descending order, you mean by decreasing power. If it were so, the answer is 6(x^3)12(x^2)-16(x^2)32x-27x+72.

8 0

3 years ago

Does 6 3/8 - 4 3/4 = 4 3/4

UNO [17]

Answer:

no it doesnt

Step-by-step explanation:

4 0

2 years ago

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