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ozzi
2 years ago
9

Find the original price. Round to the nearest cent. Sale price: $42 Discount: 30%

Mathematics
1 answer:
adelina 88 [10]2 years ago
6 0

Answer:

140

Step-by-step explanation:

Calculator Recommended:

100 / 30 = 3.3333333

Multiply it by 42 and you'll get the original cost.

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Classify the following triangle. Check all that apply.
Ludmilka [50]

Answer: obtuse, scalene

Step-by-step explanation:

This triangle has an angle that is 102 degrees.  102 is greater than 90, so the triangle is obtuse.  None of the sides of the triangle are the same length, so the triangle is scalene.

Hope it helps <3

8 0
3 years ago
AABC has vertices at (1,5), (4,8), and (16, 12). A second triangle, ADEF, has vertices at (4, 20), (16, 32), and (64, 48). If th
navik [9.2K]

Answer: the first one

Step-by-step explanation:

(x,y)->(4x, 4y)

5 0
2 years ago
How do you graph? <br> y=−4/3x+8y
trasher [3.6K]

How do we graph anything? Make a table of values for x and y and then plot each point. After plotting each point on the xy-plane, connect each point with a straight line or curve (depending on the function).


In this case, we must first isolate y.


y = (-4/3)x + 8y


y - 8y = (-4/3)x


-7y = (-4/3)x


y = (-4/3)x ÷ (-7)


y = (4/21)x


Now follow the steps above.


8 0
2 years ago
Is this a function please help!!!
Svetlanka [38]

Answer:

No

Step-by-step explanation:

There are two values for x=0

5 0
2 years ago
Y = 4x+1 y=x^2 + 2x - 2 A.6,2 B. 2,6 C. -6,2 D. -6,-2
natta225 [31]

Answer:

The solution is (3,13) and (-1,-3). So none of the mentioned options is correct.

Step-by-step explanation:

Given that

y = 4x + 1  (i)

y = x^2 + 2x -2 (ii)

Now, by susbstituting the value of 'y' from equation i to equation ii, we get

4x+1=x^2 + 2x -2

0=x^2 + 2x -2-4x-1

0=x^2 + (2x -4x) +(-2-1)

0=x^2 + (-2x) +(-3)

0=x^2 -2x -3

x^2 -2x -3 = 0 (iii)

Now by factorization, equation iii can be written as

x^2 -3x +x -3 = 0

x(x -3) + 1(x -3) = 0

(x -3)(x +1) = 0

x = 3 and x = -1

By putting the values of x in equation i, we get

y = 4(3) + 1

y = 12 +1

y = 13

and

y = 4(-1) + 1

y = -4 +1

y = -3

Therefore, the solution is (3,13) and (-1,-3). So none of the mentioned options is correct.

7 0
2 years ago
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