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3 years ago

The graph shows the types of watches at a jewelry counter.

Mathematics

2 answers:

motikmotik3 years ago

5 0

The two correct answers are:
B) Sixty percent of the women’s watches are digital watches. because there are 10 womens' watches, 6 of them are digital so that equals 60%.
and
D) There are more than twice as many men’s watches as women’s watches. because there are 21 mens' watches and 10 womens' watches. 10 x 2 = 20 < 21, so this is true also.

Hope this helps,
♥A.W.E.S.W.A.N.♥

inna [77]3 years ago

3 0

The answer is c and d because the others wouldn’t make sense

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Step-by-step explanation:

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There is a clown's face on the top of a spinner. The tip of his hat rotates to (−2, 5) during one spin. What is the cosine value

uranmaximum [27]

Remark
The point value is (-2,5) So we know the two sides. We need the hypotenuse. We should notice that the x value is minus (-2) and value is y value is plus (5). That means we are in quad 2. Be careful how you read that. (-2,5) is a point. It is not a tangent.

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3 years ago

For each system of equations, drag the true statement about its solution set to the box under the system?

natta225 [31]

Answer:

y = 4x + 2

y = 2(2x - 1)

Zero solutions.

4x + 2 can never be equal to 4x - 2

y = 3x - 4

y = 2x + 2

One solution

3x - 4 = 2x + 2 has one solution

Step-by-step explanation:

* Lets explain how to solve the problem

- The system of equation has zero number of solution if the coefficients

of x and y are the same and the numerical terms are different

- The system of equation has infinity many solutions if the

coefficients of x and y are the same and the numerical terms

are the same

- The system of equation has one solution if at least one of the

coefficient of x and y are different

* Lets solve the problem

∵ y = 4x + 2 ⇒ (1)

∵ y = 2(2x - 1) ⇒ (2)

- Lets simplify equation (2) by multiplying the bracket by 2

∴ y = 4x - 2

- The two equations have same coefficient of y and x and different

numerical terms

∴ They have zero equation

y = 4x + 2

y = 2(2x - 1)

Zero solutions.

4x + 2 can never be equal to 4x - 2

∵ y = 3x - 4 ⇒ (1)

∵ y = 2x + 2 ⇒ (2)

- The coefficients of x and y are different, then there is one solution

- Equate equations (1) and (2)

∴ 3x - 4 = 2x + 2

- Subtract 2x from both sides

∴ x - 4 = 2

- Add 4 to both sides

∴ x = 6

- Substitute the value of x in equation (1) or (2) to find y

∴ y = 2(6) + 2

∴ y = 12 + 2 = 14

∴ y = 14

∴ The solution is (6 , 14)

y = 3x - 4

y = 2x + 2

One solution

3x - 4 = 2x + 2 has one solution

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3 years ago

If the original price of dima’s skirt was $54, how much more could she have saved at the store her friend suggested?

iris [78.8K]

$1.80

54× $\frac{1}{3}$ =18

54×0.30=16.2

18-16.2=1.8

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