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3 years ago

7

Which number sentence below matches this word problem?

2 answers:

just olya [345]3 years ago

6 0

<span>A.11 × 4 = 44 that should be the answer

</span>

podryga [215]3 years ago

6 0

Answer:

C.4 + 11 = 15

Step-by-step explanation:

apex

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Prove that 1/sin^2A -1/tan^2A= 1

Vika [28.1K]

Answer:

Step-by-step explanation:

$LHS =\dfrac{1}{Sin^{2} \ A }-\dfrac{1}{Tan^{2} \ A }\\\\\\ = \dfrac{1}{sin^{2} \ A}- \dfrac{1}{\dfrac{Sin^{2} \ A}{Cos^{2} \ A}}\\\\\\= \dfrac{1}{sin^{2} \ A } - \dfrac{Cos^{2} \ A}{Sin^{2} \ A}\\\\\\= \dfrac{1-Cos^{2} \ A}{Sin^{2} \ A}\\\\\\= \dfrac{Sin^{2} \ A}{Sin^{2} \ A}\\\\\\= 1 = \ RHS$

Hint: 1 - Cos² A = Sin² A

4 0

2 years ago

These prisms are similar. find the volume of the larger prism in decimal form. a=5 v=300 a=6 v=[?]

zepelin [54]

Answer:

Step-by-step explanation:

When we divide congruent sides of similar solids or plane figures we get the linear scale factor.

The square of the linear scale factor gives the area scale factor while it's cube gives the volume scale factor.

In this question, the linear scale factor will be 6/5

since we are asked to find the volume we cube the linear scale factor.

(6/5)³=216/125

to get the volume of the larger prism we multiply the volume of the smaller by the V.S.L as shown

(216/125)×300in³= 518.4in³

4 0

2 years ago

A thin wire has the shape of the first-quadrant part of the circle with center the origin and radius q. If the density function

irina [24]

Answer:

Step-by-step explanation:

Check attachment for solution

5 0

3 years ago

Jane works at a ski shop. She earns $11/hr and $15 for every set of skis she sells. Let h represent the hours worked, s represen

saveliy_v [14]

Answer:

11h + 15s = E

Step-by-step explanation:

E = total earnings

s = the amount of skis sold

h = how many hours she works

8 0

2 years ago

Quadratic Functions Put the equationy = x^2 + 14a + 40 into the form y = (x - h )^2 + k: Answer: y Preview Get help: Video Poins

Artist 52 [7]

Answer:

The required form is $y=(x+7)^2-9$ .

Step-by-step explanation:

Consider the provided quadratic function.

$y=x^2 + 14x + 40$

We need to put the equation into the form $y = (x - h )^2 + k$

Add and subtract 49 in order to make the above function a perfect square.

$y=x^2 + 14x+49-49 + 40$

$y=x^2 + 14x+7^2-49 + 40$

$y=(x+7)^2-49 + 40$

$y=(x+7)^2-9$

Hence, the required form is $y=(x+7)^2-9$ .

5 0

3 years ago