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3 years ago

A triangle has two sides that are perpendicular could the triangle be isosceles, equilateral or scalene explain

Mathematics

1 answer:

oksano4ka [1.4K]3 years ago

7 0

The triangle can be isosceles or scalene but not equilateral

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Alsion saves $29.26 each month. How many months will it take her to save enough money to buy a stereo for $339.12?

Darya [45]

Answer: 12 months (1 year)

We know that Alision gains $29.26 each month. She wants to buy a stereo for $339.12

You want to divide $339.12 with $29.26 to find the total months.

339.12 / 29.26 = 11.6

CHECK:

You want to round up, since she needs the money to buy a stereo. She's allowed to have more money.

29.26 * 12 = 351.12

It will take Alision 12 months (1 year) to buy her stereo.

5 0

3 years ago

There are 25 players in a ping-pong tournament. Each player plays every other player exactly once. How many games will be played

Aleonysh [2.5K]

This is a round robin style tournament. Given that there are 25 people, and order doesn't matter meaning that the combination AB is equivalent to BA you must use the choose formula.

Thus the answer should be 25C2 or
25! / [(25-2)! * 2!] = 300

4 0

4 years ago

Multiply eight and eighty-eight hundredths by two and three tenths

zimovet [89]

Answer:

20.424

Step-by-step explanation:

Given words can be written as

Eight and eighty-eight hundredths = (8+ $\frac{88}{100}$ )

= $\frac{800+88}{100}$

= 8.88

Two and three tenth = (2+ $\frac{3}{10}$ )

= $\frac{20+3}{10}$

= 2.3

Now multiply them

i.e 8.88 × 2.3 = 20.424

So 20.424 is the Answer

7 0

3 years ago

What is an equation of the line that passes through th (3,-1) and has a slope of 2?

dezoksy [38]

The given point to us is (3,-1) and the slope of the line is 2 . We can use the point slope form of the line as ,

$\sf\longrightarrow m ( x - x_1) = y - y_1$

Substitute the values ,

$\sf\longrightarrow 2( x - 3 ) = y - (-1)$

Simplify LHS and RHS ,

$\sf\longrightarrow 2x - 6 = y +1$

Put all terms on one side ,

$\sf\longrightarrow \boxed{\bf 2x - y -7=0}$

4 0

3 years ago

Ellen says that one and 2/5 equal 5÷7. Is she correct? Explain.

zhuklara [117]

No because 2/5 is the same as 2 divided by 7, so 2/5 = 0.4 where 5 divide by 7 is 0.714….. so they’re not equal.

7 0

2 years ago