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4 years ago

I've been struggling a bit with Composite Figures. This is 2 ones I've really struggled with though so, could I have some help?

Mathematics

1 answer:

Natali5045456 [20]4 years ago

6 0

You are right with : Which shapes could a pentagon be decomposed into to find its area? Chose all that apply.
C. five triangles
D. one triangle and one trapezoid
And #2: Is (A) and (C)

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Which of these is a correct statement?

Nonamiya [84]

I think the answer in this case would be D

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4 years ago

a. Compute the gradient of ƒ and evaluate it at P. b. Find the unit vector in the direction of maximum increase of ƒ at P. c. Fi

DiKsa [7]

Answer:

The question has some details missing. Here is the given function ; f(x,y,z) = 1 + 4xyz at point P = (1,-1,-1)

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3 years ago

nalin [4]

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1200 x 0.85 = 1020

The sale price is $1020

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3 years ago

Andy flipped a coin once and rolled a six-sided number cube numbered 1 through 6. The list below shows the possible outcomes whe

zhuklara [117]

Answer:

C. 1/4

Step-by-step explanation:

The probability of landing tails is 50%, since coins are two sided.

If a cube has 6 numbers, the probability of getting an even number is also 50% since 2,4,and 6 are even while 1,3, and 5 are odd.

The probability of getting both would be 25% (I multiplied 1/2 by 1/2)

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3 years ago

Willa says the slope of the graph is -1/3.What error did she make?

Nataly [62]

ANSWER

She counted the squares instead of using the scale.

EXPLANATION

The slope of a line is calculated using the formula

$m = \frac{rise}{run}$

This is the same as:

$m = \frac{y_2-y_1}{x_2-x_1}$

The given straight line passes through:

(4,24) and (16,18).

We plug in the values to obtain,

$m = \frac{18 - 24}{16 - 4}$

$m = \frac{ - 6}{12}$

$m = - \frac{ 1}{2}$

This is the correct expression for the slope.

But Willa mistakenly counted the squares instead of using the scale and had

$m = - \frac{1}{3}$

Each box on the y-axis is 3 units and each box on the x-axis is 2 units.

The rise is one box along the y-axis which is equal to 3 units the run is 3 boxes which is equal to 6 units.

The line has a negative slope.

Because she just counted the boxes and did use the scale, she got a wrong answer.

6 0

3 years ago

Read 2 more answers