3 years ago

Which graph shows the correct solution to the linear-quadratic system of inequalities below?

Mathematics

2 answers:

LUCKY_DIMON [66]3 years ago

8 0

Answer:

(the pic)

Step-by-step explanation:

I used a link

dlinn [17]3 years ago

3 0

Answer:

it's A just in case anyone having a hard time.

Step-by-step explanation:

just took is on edge...

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B) Find the cube number<br> 7 12<br> 20<br> 25<br> 27

hram777 [196]

I don’t understand what your asking are you trying to find the cube of a certain number?

7 0

2 years ago

Wx+yz=bc , solve for z .

Aleksandr-060686 [28]

Wx+yz=bc
minus wx on both sides
yz=bc-wx
dividing 'y' on both sides
Hence,
z=(bc-wx)/y
Here is what you need.
Hope it helped

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3 years ago

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In ΔWXY, x = 680 inches, w = 900 inches and ∠W=157°. Find all possible values of ∠X, to the nearest degree.

ikadub [295]

Given:

In ΔWXY, x = 680 inches, w = 900 inches and ∠W=157°.

To find:

The all possible values of ∠X, to the nearest degree.

Solution:

Law of Sines:

$\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}$

For ΔWXY,

$\dfrac{w}{\sin W}=\dfrac{x}{\sin X}=\dfrac{y}{\sin Y}$

Now,

$\dfrac{w}{\sin W}=\dfrac{x}{\sin X}$

$\dfrac{900}{\sin (157^\circ)}=\dfrac{680}{\sin X}$

$900\sin X=680\sin (157^\circ)$

$\sin X=\dfrac{680}{900}\sin (157^\circ)$

$\sin X=0.295219$

$X=\sin^{-1}(0.295219)$

$X=17.17067$

$X\approx 17$

Therefore, the value of ∠X is 17 degrees.

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2 years ago

a post is driven into the ground. the first strike drives the post 30 inches into the ground. The next strikes drives the post 2

nevsk [136]

Your answer should be 156 inches

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3 years ago

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A clothing store spends $11 for each pair of shorts it produces and has fixed costs of $450. If the store makes 40 pairs of shor

zalisa [80]

Answer:

amt. the shop spends on 40 pairs

= $11 × 40

= $440

amt. paid extra (due to fixed cost) per pair

= ($450 - $440) ÷ 40

= $0.25

amt. per pair to break even

= $11 + $0.25

= $11.25

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2 years ago

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