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Ilia_Sergeevich [38]
3 years ago
9

Mrs.Harris has a coupon for a 25% on any one book. The regular cost of the book she wants to buy is $32. What will be the discou

nt on the book?
Mathematics
2 answers:
makkiz [27]3 years ago
7 0

\frac{25}{100}*32=8

The discount will be 8$

Ulleksa [173]3 years ago
4 0

Answer:

8

Step-by-step explanation:

.25 times 32

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What fraction is equivalent to 80%
Gnesinka [82]
Percent means parts out of 100
80%=80/100=8/10=4/5
8 0
3 years ago
Read 2 more answers
Anybody know the correct answer?
earnstyle [38]

Since \csc^2{x}=\frac{1}{\sin^2{x}} and \cot^2{x}=\frac{\cos^2{x}}{\sin^2{x}}, we can rewrite the right side of the equation as

\frac{1}{\sin^2{x}}-\frac{\cos^2{x}}{\sin^2{x}} =\frac{1-\cos^2{x}}{\sin^2{x}}

Using the identity \sin^2{x}+\cos^2{x}=1, we can subtract \cos^2{x} from either side to obtain the identity \sin^2{x}=1-\cos^2{x}

substituting that into our previous expression, the right side of our equation simply becomes

\frac{\sin^2{x}}{\sin^2{x}}=1

We can now write our whole equation as

3\tan^2{x}-2=1

Adding 2 to both sides:

3\tan^2{x}=3

dividing both sides by 3:

\tan^2{x}=1

\tan{x}=\pm1

When 0 ≤ x ≤ π, tan x can only be equal to 1 when sin x = cos x, which happens at x = π/4, and it can only be equal to -1 when -sin x = cos x, which happens at x = 3π/4

4 0
3 years ago
HELP ASAP A vector starts at point (-3, 4) and ends at point (6, -3). What is the magnitude of the vector? Answer to two decimal
balu736 [363]

The magnitude of the vector to two decimal places is 11.40 units

The formula for calculating the magnitude of the vector is expressed as:

D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2 }

Given the coordinate points  (-3, 4) and (6, -3)

D=\sqrt{(-3-4)^2+(6+3)^2 }\\D=\sqrt{(-7)^2+9^2}\\D=\sqrt{49+81}\\D=\sqrt{130}\\D=  11.40

Hence the magnitude of the vector to two decimal places is 11.40 units

Learn more here: brainly.com/question/20759497

6 0
3 years ago
Please help it’s urgent
Rama09 [41]

Answer:

Angle CED

Step-by-step explanation:

They are opposite to each other in the X they make.

4 0
4 years ago
Determine the value of x. Question 4 options: A) 10 B) 5 C) 10 D) 5
ikadub [295]
The answer should be A or D
6 0
3 years ago
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