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worty [1.4K]
3 years ago
6

dvds are on sale for $24 each. felipe writes the expression 4 x 24 to find the cost in dollars of buying 4 dvds. how can you rew

rite felipes expression using the distributive property
Mathematics
1 answer:
Orlov [11]3 years ago
3 0
4 * 24 = 4(20 + 4) or 4(20) + 4(4)
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2. Which of the following systems of inequalities represents the graph?
Rom4ik [11]

Answer:

Option: D is the correct answer.

D)  –2x + y ≥ 4

         x + y < 2

Step-by-step explanation:

We are asked to find the linear inequality that represents the following graph.

Clearly from the graph we could observe that one line is dotted and the other is solid line.

i.e. one inequality is strict while the other is a inequality with equality sign.

<u>Dashed line:</u>

It passes through (0,2) and  (2,0).

Hence, the equation of line is:

y-2=\dfrac{0-2}{2-0}\times (x-0)\\\\\y-2=\dfrac{-2}{2}\times x\\\\y-2=-x\\\\x+y=2

As the shaded region is towards the origin.

Hence, the inequality will be:

x+y<2.

<u>Solid line:</u>

The line passes through (-2,0) and (0,4).

hence equation of line is:

y-0=\dfrac{4-0}{0-(-2)}\times (x+2)\\\\

i.e

y=\dfrac{4}{2}\times (x+2)\\\\y=2\times (x+2)\\\\y=2x+4\\\\-2x+y=4

Now, as the shaded region is away from the origin hence the inequality which will be used is:

-2x+y\geq 4

Hence, option: D is the correct answer.

D.   –2x + y ≥ 4

       x + y < 2

8 0
3 years ago
Read 2 more answers
Calculate the m angle CLA , given m arc AC = 160° and m arc AKC = 200°.
crimeas [40]
<span>When two tangent lines intersect, they form an angle that equals
one half (larger intercepted arc minus the smaller </span><span>intercepted arc)

So, angle CLA = (1/2) (200 -160)
</span><span>Angle CLA = (1/2) (40)
</span><span>Angle CLA = 20 degrees

Source:
http://www.1728.org/circangl.htm

</span>
7 0
3 years ago
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Can someone help me pls!!
olga nikolaevna [1]

Answer:

x=1

Step-by-step explanation:

4 0
3 years ago
HELPP PLSSSS Im failing school :(
hoa [83]

Answer:

D.540

if im wrong sorry

Step-by-step explanation:

6 0
3 years ago
Please help now asap
rusak2 [61]

Answer:

(4 ,26)

Step-by-step explanation:

Try to locate the intersection point of the graph of f and the graph of g

which the point with coordinates (4 , 26)

3 0
3 years ago
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