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2 years ago

I DONT UNDERSTAND WHICH WAY THESE SHOULD GO. Please someone explainnnnnn

Mathematics

1 answer:

uranmaximum [27]2 years ago

6 0

I believe your answer is A.) ASA

ASA stands for angle-side-angle, meaning you need an angle then an adjacent side then another adjacent angle to be congruent to say that these are congruent triangles. Because the semi circles represent congruent angles, they share a side (making them congruent) and both have corresponding right angle measures (making them congruent), you can say that these two triangles are congruent by ASA.

Hope this made sense!

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2 years ago

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2 years ago

What is the scale factor to go from small triangle to the large triangle?

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2 years ago

What is the answer to this system of equations? 2x - 3y= 21 and -6x + 2y = 7.

allsm [11]

answer:

x = - 9/2

y = -10

Step-by-step explanation:

make both equations look like y =

2x-3y=21 -> -3y= -2x+21 -> y = (-2x+21)/-3 -> y = 2/3x - 7

-6x + 2y = 7 -> 2y = 6x + 7 -> y = 3x + 7/2

now make the equations equal to each other (since they both equal y)

get x

2/3x - 7 = 3x + 7/2

-7 -7/2 = 3x - 2/3x

-14/2 -7/2 = 9/3x - 2/3x

-21/2 = 7/3x

(3/7) -21/2 = x

x = (3/7) -21/2

x = - 63/14

x = - 9/2

put it back in an equation to get y

y = 3x + 7/2

y = 3(-9/2) + 7/2

y = -27/2 + 7/2

y = -20/2

y = - 10

brainly.com/question/12203001

5 0

1 year ago

In 1990, the rate of change of the world population was approximately 0.09125 billion per year (or approximately 1 million peopl

babunello [35]

Answer: Option A

$P = 5.3 + 0.09125t$

Step-by-step explanation:

Note that for the initial year, 1990, the population was 5.3 billion.

The exchange rate is 0.09125 billion per year. In other words, each year there are 0.09125 billion more people.

In year 2 there will be 0.09125 * 2 billion people

In year 3 there will be 0.09125 * 3 billion people

In year 4 there will be 0.09125 * 4 billion people

In year t there will be 0.09125 * t billion of people

So the equation that models the number of people that there will be as a function of time is:

$P = P_0 + rt$

Where $P_0$ is the initial population

$P_0 = 5.3$ billion

r is the rate of increase

$r = 0.09125$ billion per year

finally the equation is:

$P = 5.3 + 0.09125t$

The correct answer is option A.

6 0

2 years ago

Read 2 more answers