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Bingel [31]
3 years ago
11

The price of a math book is 50$ but you only have 35$ if you get a discount of 20% how much money do you need?

Mathematics
1 answer:
igomit [66]3 years ago
7 0

Price of the book = $50

20% discount = 0.2 x 50 = $10

After discount, the price of the book is

$50 - $10 = $40

I have $35, so I need

$40 - $35 = $5 more

Answer: I need to borrow $5 from a friend.

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Leni [432]

Answer:

8 Hours Because 6×8=48 Plus The Cost Was 10$ You Would Just Do 48 + 10 = 58

Step-by-step explanation:

6 × 8 =48 + 10 = 58

7 0
3 years ago
Fatima wants to find the value of sine theta, given cotangent theta = four-sevenths. which identity would be best for fatima to
Olin [163]

By using trigonometric relations, we will find that:

sin(θ) = (√33)/7 = √(33/49)

<h3>How to find the value of the sine?</h3>

Remember that for a right triangle, we have the relations:

cos(a) = (adjacent cathetus)/(hypotenuse)

sin(a) = (opposite cathetus)/(hypotenuse).

Here we know that:

cos(θ) = 4/7

Then we can say that we have a triangle with an adjacent cathetus of 4 units and a hypotenuse of 7 units. Now we need to find the other cathetus.

opposite cathetus = √(7^2 - 4^2) = √33

Then we can write:

sin(θ) = (√33)/7 = √(33/49)

If you want to learn more about trigonometry.

brainly.com/question/8120556

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3 0
2 years ago
Plz i need this rn
Lunna [17]

Answer:

well i feel like she walked the whole thing

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Step-by-step explanation:

4 0
3 years ago
Find the value of n such that x2-10x+n is a perfect square trinomial.
mihalych1998 [28]
The answer is the last option (Option D), which is:

 D. 25

 The explanation is shown below:

 1. You have that:

 (a ± b)^2=a^2 <span>± 2ab + b^2

 2. The expression given in the problem is:

 </span><span>x^2-10x+n

 Where x^2=a and 2ab=10x

 2b=10
 b=10/2
 b=5

 3. Therefore, you have:

 b^2=5
 b^2=25

 b^2=n
 n=25</span>
7 0
3 years ago
Read 2 more answers
Noah is making grilled cheese sandwiches for friends. He has 24 ounces of cheese. He plans to split the cheese evenly between 6
Marysya12 [62]

Answer:

24/6=c

Step-by-step explanation:

Well to split 24 you need to divide by 6 and that will equal the answer. An equation always has a equal sign so you know that you would be solving for c

3 0
3 years ago
Read 2 more answers
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