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JulsSmile [24]
3 years ago
11

you buy a new pair of shoes for $125. you have a coupon for 25% off the shoes. what is the sale price

Mathematics
1 answer:
professor190 [17]3 years ago
7 0

Answer:

$93.75

Step-by-step explanation:

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Alicia plots a point at (0, 5) and (0, -2). What is the distance between the points?
kondaur [170]
In (5,0), five represents how many times he will move over in the X axis. Since it’s zero, you do not move at all. However you will move five spot up, because the five is on the Y axis. Then, he will do the same thing with your second pair of coordinates. You do not move on the X axis, but you will move two spots down on the Y axis. Then, trace your pencil between the two dots. You will notice that it passes seven intersections, so your answer will be seven units.
3 0
3 years ago
The perimeter of an isosceles triangle is 14. If the
VashaNatasha [74]

Answer:

The length of each leg = 5 units

The length of the base =  4 units

Step-by-step explanation:

Isosceles Triangle is a triangle with any two sides of it in equal measure.

Perimeter of a triangle =  SUM OF ALL SIDES

Now, Perimeter of the triangle = 14

Let length of each leg = a

So, the length of the other leg is also a.

And, the base of the triangle is a -1

Now, as perimeter is 14.

⇒a   + a + (a -1) = 14

or, 3 a =  14 + 1

⇒ 3 a = 15, or  a = 15/3 = 5

Hence, the length of each leg = 5

And the length of the base = (a -1) = (5-1) = 4 units

6 0
4 years ago
SUBTRACTING FRACTIONS PLS HELP
svet-max [94.6K]

Answer: 1. 3 1/6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the volume of a sphere made by rotating a circle with a radius of 12 inches. Use 3.14 for π and round to nearest whole numb
nydimaria [60]
Volume = 4/3×pi×r^3
= 4/3×3.14×12^3
= 7234.56
~ 7235
5 0
4 years ago
Cos 15 - sin 15 = 1/2 <br><br><br>prove that :​
yuradex [85]

Answer:

Cos(15) = Cos(45-30)

Sin(15) = Sin(45-30)

Cos(45-30) - Sin(45-30)

Simplifying both brackets

Recall

Cos(A+B) = CosACosB - SinASinB (For cosine... The sign is always the opposite during expansion. If you look... Cos(A+B) became negative during its expansion;So if It was Cos(A–B)... Its expansion is CosACosB + SinASinB)]

Sin(A+B) = SinACosB + CosASinB

Now let's go!

Cos(45-30) = Cos45Cos30 + Sin45Sin30

From Trig

Cos45 = 1/√2

Cos30 = √3/2

Sin45 = 1/√2

Sin30 = 1/2

Substituting

Cos(45-30) = (1/√2).(√3/2) + (1/√2).(1/2)

= √3/(2√2) + 1/(2√2)

= 1 + √3/(2√2).

For

Sin(45 - 30)

= Sin45cos30 – Cos45Sin30

= (1/√2).(√3/2) – (1/√2).(1/2)

= √3/(2√2) – 1/2√2

= √3 – 1/(2√2)

So the question was

Cos15 - Sin15

Substituting...

1 + √3 / 2√2 – (√3 - 1)/ 2√2

When the Minus interacts with the parenthesis

We have

1 + √3 - √3 + 1 / (2√2)

= 2/2√2

= 1/√2.

THE ANSWER IS 1/√2 AND NOT 1/2.

YOU CAN VERIFY THIS WITH YOUR CALCULATOR ALSO.

YOU'LL HAVE 0.7071 WHICH IS SAME AS 1/√2.

HAVE A GREAT DAY!

5 0
3 years ago
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