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2 years ago

Two complementary angles are such that one is 15 degrees less than

Mathematics

2 answers:

svetoff [14.1K]2 years ago

5 0

The answer would be 35 and 55 :)

Softa [21]2 years ago

4 0

Answer:

35 and 55

Step-by-step explanation:

x+(2×-15)=90

3x-15=90

3x=105

x=35

other angle is 35×2-15=55

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The coordinates of point A are (-6, -10) and the coordinates of point B are (x,-4). The distance between A to point B is 10 unit

vlabodo [156]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ A(\stackrel{x_1}{-6}~,~\stackrel{y_1}{-10})\qquad B(\stackrel{x_2}{x}~,~\stackrel{y_2}{-4})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ 10=\sqrt{[x-(-6)]^2+[-4-(-10)]^2}\implies 10=\sqrt{(x+6)^2+(-4+10)^2} \\\\\\ 10^2=(x+6)^2+(6)^2\implies 100=x^2+12x+36+36 \\\\\\ 100=x^2+12x+72\implies 0=x^2+12x-28 \\\\\\ 0=(x+14)(x-2)\implies x= \begin{cases} -14\\ \boxed{2} \end{cases}$

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3 years ago

You lose 2 points every time you forget to write your name on a test. You have forgotten to write your name 4 times. What intege

Gelneren [198K]

Answer:

-8

Step-by-step explanation: since it says Times, (for me times is multiplication) you would multiply -2 and 4. negative 2 would be from that person losing 2 points. and 4 since it is your total amount of times you have forgotten to write your name. so, -2 x 4 = -8.

how i got -8. both signs from -2 and 4 are different, and when they are different the answer will always be negative.

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2 years ago

Suppose a city with a population of 400,000 has been growing at a rate of 3% per year. If this rate continues, find the popula

Firdavs [7]

Answer: 537,563 people

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2 years ago

Use the FOIL Method to find (9-r)(2-3r)

gtnhenbr [62]

18-29r+3r^2! hope it helps

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2 years ago

The student body of a large university consists of 40% Business majors. A random sample of six students from this university is

Mashcka [7]

Answer:

The answer is 0.31

Step-by-step explanation:

We can solve this problem as a binomial distribution function. Probability of selecting business mayors is p=0.4 and selecting non-business mayors is q=0.6.

Then selecting 2 busies mayors out of six is:

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3 years ago