MATHEMATICS HIGH SCHOOL

Which phrase best defines a square? A.
a quadrilateral with exactly one pair of parallel sides

B.
a quadrilateral with no congruent sides

C.
a rectangle with four congruent sides

D.
a parallelogram with four congruent angles
I think its D?

Answers

Answer 1
Answer: the answer is D a parallelogram with four congruent angles
 

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A triangle has one angel that measures 51 degrees and one angle that measures 39 degrees. what kind of triangle is it?

Answers

Those two angles are complementary - which means they both give us 90 degrees. We know that all three angles in any triangle must be exactly 180 degrees, so the third angle will be 180 - 90 = 90 degrees. It means that our triangle is a straight triangle. The figure will look more less like in the attachment.
it would be a acute because you would do 51+39=90 which u would do 180-90 which would equal 90 and a aucte is a 90 degree angle 

snooker is a kind of pool or billiards played on a 6 foot by 12 foot table. the side pockets are half way down the rails . find the distance to the nearest tenth of a foot, diagonally across the table from the corner pocket to corner pocket

Answers

Let length be 12 ft (l = 12 ft) and width be 6 ft (w = 6ft).

The side pocket will be on the half of its length (l). To calculate the distance, we will use the distance d as a hypotenuse of the right triangle with sides w and l/2.

According to the Pythagorean theorem, the square of the hypotenuse is equal to the sum of the squares of two other sides:

d² = w² + (l/2)²

We have:

d = ?

w = 6 ft

l = 12 ft

d² = 6² + (12/2)²

d² = 6² + 6²

d²= 2 * 6²

d² = 2 * 36

d² = 72

d = √72

d = 8.48 ft

Since 1 ft is 12 in, then 8.48 ft is 101.76 in:

8.48 * 12 in = 101.76 in

Hope this helps!

Paul, Colin and Brian are waiters. One night the restaurant earns tips totalling £77.40.
They share the tips in the ratio 1:3:5.
How much more does Brian get over Paul?

Answers

You have to add the ratio, which is 1:3:5 and 1+3+5= 9. Then you must do £77.40 divided by 9. This gives you £8.6. So 1 part is £8.60, also how much Paul got. To find out Brian, you must do 5 multiplied by £8.60 which gives you £43. Then, to get the difference, you must do £43 take away £8.60, giving you £34.40. Your final answer will be £34.40. I hope this helped!

Fred got a score of 80 on the test. Enter a division sentence using negative numbers where the quotient represents the number of questions Fred answered incorrectly on the test.

Answers

The division sentence using negative numbers where the quotient represents the number of questions Fred answered incorrectly on the test is 20 ÷ (-1) = -20.

Let "x" represent the number of questions Fred answered incorrectly on the test.

Since he got a score of 80, then the equation:

Total Questions - Incorrectly Answered Questions = Score

100 - x = 80

To create a division sentence using negative numbers, express this equation in a different form:

x = 100 - 80

Now, subtract:

x = 20

So, a division sentence using negative numbers is:

20 ÷ (-1) = -20

This division sentence represents that Fred answered 20 questions incorrectly on the test.

Learn more about Integers here:

brainly.com/question/33503847

#SPJ3

Answer:

.

Step-by-step explanation:

In which quadrant are x and y both negative

Answers