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NISA [10]
3 years ago
13

Sally's mother wants to buy a cell phone. The price of the cell phone she wants increased this week from $200 to $240. What is t

he percent increase in the price of the cell phone?
Mathematics
2 answers:
Mice21 [21]3 years ago
5 0

Answer:

20 percent

Step-by-step explanation:

200 divided by 5 is 40

Nadya [2.5K]3 years ago
4 0
Ok so 200 + 40 is 240 but the percentage increase is 20% because because the new value is greater than the old value.
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ASAP
Katen [24]

Answer:

No , because there are different formulas for each prism.

Step-by-step explanation:

7 0
3 years ago
Select all the expressions that are equivalent to 4 - x.
Wewaii [24]

Answer

4+(-x),-x+4

Step-by-step explanation:

6 0
3 years ago
If we wanted to prove quadrilateral MNOP was a parallelogram, which method below would not work?
rjkz [21]

Answer:

The correct option is 4.

4) Doing two distance formulas to show that adjacent sides are not the same length.

Step-by-step explanation:

Parallelogram is a quadrilateral which has opposite sides equals and parallel. Example of a parallelogram are rhombus, rectangle, square etc.

We can prove that a quadrilateral MNOP is a parallelogram. If we find the slopes of all four sides and compare those of the opposite ends, same slopes would indicate the opposite sides are parallel, hence the quarilateral is a parallelogram. We can also find the distance of two opposing sides, and slopes of twp opposing sides to determine whether it is a parallelogram or not. The most difficult approach is that diagonals bisect each other at same point.

However, using only two distance formulas will not give us enough information to determine whether a side is parallel or not.

7 0
3 years ago
Find the radius, please help asap due tuesday
Varvara68 [4.7K]

Answer:

I can't see anything man but you could do it alright

3 0
2 years ago
Read 2 more answers
Find the absolute maximum value for the function f(x) = x^2 − 4, on the interval [–3, 0) U (0, 2].
Andreyy89

Answer:

5

Step-by-step explanation:

The function y=x^2 -4 is

  • decreasing for all x\in [-3,0);
  • is increasing for all x\in (0,2]

(see attached diagram for details).

The maximum value of the function is at endpoints -3 or 2. find y(-3) and y(2):

y(-3)=(-3)^2-4=9-4=5\\ \\y(2)=4^2-4=0

So, the maximum value is 5.

5 0
3 years ago
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