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omeli [17]
3 years ago
10

Find the selling price of a $450 painting with a 45% markup

Mathematics
1 answer:
olganol [36]3 years ago
6 0
I think it's 202.5
I multiplied 450 and 45%
and then you're supposed to add them I believe
202.5+450
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nlexa [21]
All u have to do is plug in the values
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6 0
3 years ago
What is an example of proportional relationship
Dennis_Churaev [7]
Example: Oranges are sold in a bag of 5 for $2. The ratio of roanges to cost is 5:2 if i had 20 oranges for ? cost it would look like: 5/2=20/?
3 0
3 years ago
Find f(-1) if f(x) = -3x - 5<br><br><br> Choices <br><br> A. -9 <br> B. -8<br> C. -2<br> D. 2
GenaCL600 [577]

Answer:

Step-by-step explanation:

All you have to do is plug in -1 for x in the equation

f(-1)= -3(-1)-5

-3 times -1 = 3

Then you need to subtract 5 leaving it to be 3-5 = -2

Therefore the answer is C. - 2

5 0
3 years ago
Read 2 more answers
Help me please please
snow_lady [41]

Answer:

Step-by-step explanation:

Number 2 first:

See the graph below for a hint. (Do you know how to use Desmos ?)

factoring seems to make no sense for y =-x^{2} +2x +4  but "guess and check" seems to work. I tried 4 for x, but that proved false. 3 for x made sense. You get -3x^{2} +2(3) +4 =y  so -9 +6 +4 = 1 is true.  So (3,1)

x+y=4 becomes 3 + 1 = 4  Also true

According to the graph, (0,4) would also be a solution, so (3,1) and (0,4)

Part 1:

Factor x^{2} +4x +3  as (x + 3)(x + 1) set each equal to 0 and get

x = -3 and x = -1  so the solutions seem be (-3,0) and (-1,0)

y = 2x + 6  factors to 2(x +3)

(-1,0) doesn't work!

But Desmos shows something else as a solution set for both:

(1,8)

y=2x+6 substitute values 8=2(1) +6  8=2+6 True

y = x^{2} +4x +3. Substitute values  8 =1^{2} +4(1) +3  8= 1+4+3 True

7 0
3 years ago
15y - 3x + 4x - 5y<br> please help me
natima [27]

Answer:

Combine like terms

10y+ x

Put it in order

X+10y

8 0
3 years ago
Read 2 more answers
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