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3 years ago

I need help please (18 points)

Mathematics

2 answers:

inysia [295]3 years ago

8 0

Answer:

128

Step-by-step explanation:

eduard3 years ago

7 0

Answer: 4x4

Step-by-step explanation:

Rectangle could be 4″ x 4″, so area will be 16 square inches.

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Under a dilation centered at the origin, the point (-4 , 3) has image at (8 , -6) The dilation is _____

Sveta_85 [38]

Answer:

Step-by-step explanation:

see the image for the explanation

4 0

3 years ago

Rico bicycles on average speed of 12.5 miles per hour what distance will Rico bicycle are in 5.5 hours

aleksley [76]

Answer:

68.75 miles

Step-by-step explanation:

12.5 x 5.5 is 68.75

Hope this helped!

5 0

3 years ago

I NEED HELP PLEASEE

xenn [34]

$\bf \cfrac{1+cot^2(\theta )}{1+csc(\theta )}=\cfrac{1}{sin(\theta )} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{1+cot^2(\theta )}{1+csc(\theta )}\implies \cfrac{1+\frac{cos^2(\theta )}{sin^2(\theta )}}{1+\frac{1}{sin(\theta )}}\implies \cfrac{~~\frac{sin^2(\theta )+cos^2(\theta )}{sin^2(\theta )}~~}{\frac{sin(\theta )+1}{sin(\theta )}}\implies \cfrac{~~\frac{1}{sin^2(\theta )}~~}{\frac{sin(\theta )+1}{sin(\theta )}}$

$\bf \cfrac{1}{\underset{sin(\theta )}{~~\begin{matrix} sin^2(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }}\cdot \cfrac{~~\begin{matrix} sin(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{sin(\theta )+1}\implies \cfrac{1}{sin^2(\theta )+sin(\theta )} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill \cfrac{1+cot^2(\theta )}{1+csc(\theta )}\ne \cfrac{1}{sin(\theta )}~\hfill$

5 0

3 years ago

state whether the slope of a line passing through (2, -3) and (1, 8) is positive, negative, zero or undefined.

Natalija [7]

Slope = change in y / change in x

= (8 - -3) / (1 - 2) = (8 + 3) / ( 1 - 2)

= 11 / -1

= -11

Slope is negative.

4 0

3 years ago

Find the minimum value of the region formed by the system of equations and functions below.

Naily [24]

Answer:

A. -12

Step-by-step explanation:

A graph shows the vertices of the feasible region to be (0, 6), (3, 0) and (0, -3). Of these, the one that minimizes f(x, y) is (0, -3). The minimum value is ...

f(0, -3) = 3·0 + 4(-3) = -12

_____

<em>Comment on the graph</em>

Here, three regions overlap to form the region where solutions are feasible. By reversing the inequality in each of the constraints, <em>the feasible region shows up on the graph as a white space</em>, making it easier to identify. The corner of the feasible region that minimizes the objective function is the one at the bottom, at (0, -3).

7 0

3 years ago