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3 years ago

1 Find the probability of drawing a 7 of diamonds. ( enter your answer as a fraction.)

Mathematics

1 answer:

makkiz [27]3 years ago

8 0

Answer:

1. 1/26

2. 2/52

Not sure if this is what you meant for sure.

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10. What is the measure of angle C?<br> A. 25°<br> B. 30°<br> C. 60°<br> D. 75°

Reil [10]

Answer:

Step-by-step explanation:

x + 5 + 3x + C = 180 All triangles have 180 degrees.

4x + 5 + C = 180

But C must be equal to 3x. Notice the markings on the lets of the triangle.

4x + 5 + 3x = 180

7x + 5 = 180 Subtract 5 from both sides

7x = 180 - 5

7x = 175

x = 25

But angle C = 3x

C = 3*25

C = 75

8 0

3 years ago

An item regularly priced at $49.95 was marked down to $44.95. Estimate the percent of discount

Zarrin [17]

Answer:

10%

Step-by-step explanation:

5 0

3 years ago

Why is 4 + (-3) equal to 1?

gladu [14]

This is because 4+(-3) is also 4-3. So that equals 1

3 0

3 years ago

Read 2 more answers

the athletic department spent $11,250 on the 15 sports at the school. what is the rate that the athletic department spent in eac

Sholpan [36]

Answer:

$11,250 divided by 15 is 750, which means that the answer is the rate is $750 dollars spent in each sport.

5 0

3 years ago

Read 2 more answers

Which set of parametric equations over the interval 0 ≤ t ≤ 1 defines a line segment with initial point (–5, 3) and terminal poi

Ksivusya [100]

Given:

A line segment with initial point (–5, 3) and terminal point (1, –6).

To find:

The set of parametric equations over the interval 0 ≤ t ≤ 1 which defines the given line segment.

Solution:

Initial point is (–5, 3). So,

$x(0)=-5,y(0)=3$

Terminal point is (1, –6).

$x(1)=1,y(1)=-6$

Check which of the given set of parametric equations satisfy $x(0)=-5,y(0)=3,x(1)=1,y(1)=-6$ .

Put t=1 in each set of parametric equations.

In option A,

$y(1)=3-6(1)=3-6=-3\neq -6$

So, option A is incorrect.

In option B,

$y(1)=1-6(1)=1-6=-5\neq -6$

So, option B is incorrect.

In option C,

$y(1)=3-9(1)=3-9=-6$

$x(1)=-5+6(1)=-5+6=1$

Put t=0, in this set of parametric equations.

$x(0)=-5+6(0)=-5$

$y(0)=3-9(0)=3$

So, option C is correct.

In option D,

$y(1)=1-7(1)=1-7=-3\neq -6$

$x(1)=-5+8(1)=-5+8=3\neq 1$

So, option D is incorrect.

8 0

3 years ago