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vovikov84 [41]
3 years ago
13

Tracey paid $165 for an item that was originally priced at $570. What percent of the original price did Tracey pay? Round to the

nearest tenth of a percent. percent
Mathematics
1 answer:
kirza4 [7]3 years ago
7 0

Answer:

<h2>28.9%</h2>

Step-by-step explanation:

\frac{165}{570} = 0.2894

multiply by 100 to turn into percentage

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Which inequality does the graph below represent?
Dima020 [189]

Answer:

A. y\le2x^2-8x+3

Step-by-step explanation:

The given parabola has vertex at (2,-5).

The equation of this parabola in vertex form is given by:

y=a(x-h)^2+k, where (h,k)=(2,-5) is the vertex  of the parabola.

We substitute the values to get:

y=a(x-2)^2-5

The graph passes through; (0,3).

3=a(0-2)^2-5

\implies 3+5=4a

\implies 8=4a

\implies a=2

Hence the equation of the parabola is

y=2(x-2)^2-5

We expand this to get:

y=2x^2-8x+8-5

y=2x^2-8x+3

Since the outward region was shaded, the corresponding inequality is

y\le2x^2-8x+3

The correct answer is A

7 0
3 years ago
Koby can work about 22 math problems in 30 minutes. At this rate how many math problems can Koby work in 3 hours
Murrr4er [49]
132 problems because...

there are six 30 minutes in 3 hours so you would multiply 22 with 6 to get 132 
(22*6=132)
4 0
3 years ago
Read 2 more answers
Correct
Gekata [30.6K]

Answer:

Step-by-step explanation:

                 <u> 4km</u>

\frac{3 }{27}  \frac{miles}{minutes} * \frac{60}{1} \frac{min}{hour} * \frac{1}{.6213}  \frac{km}{mile}

4km ÷ 10.73 km/hr = .37 hr = 22.3 minutes

7 0
3 years ago
Indicate the method you would use to prove the two triangle 's . If no method applies, enter "none".
Sever21 [200]

<em>You would use AAS because of the fact that there is two angles and the angle where both triangles instersect and create a verticle angle, there is no angle written. It has an angle then another angle then a side. Hope this helps!</em>

5 0
3 years ago
Read 2 more answers
I Just want to know the difference in between graphing in two different ways...
aivan3 [116]

Answer:

It's simple.

Step-by-step explanation:

Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that the line is included in the region.

5 0
2 years ago
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