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Zielflug [23.3K]
2 years ago
10

Help me plz and ty :) :)

Mathematics
1 answer:
Ivahew [28]2 years ago
4 0

Answer:

1.

40 students chose papa johns and 24 did not

2. 14 students chose dominos and 10 chose pizza hut

Step-by-step explanation:

1.  set up a proportion like 5/8 x x/64 and cross mutliply like 8 times x and 5 times 64

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Find the length of the side labeled x. Round intermediate values to the nearest tenth. Use the rounded values to calculate the n
strojnjashka [21]

Answer:

42.1

Explanation step-by-step:

Working out the lenght of the blue-dashed line:

SOH

47 is the Hypotenuse.

the blue line is the adjacent.

adjacent= Cos(30) x47

adjacent= 40.7

Working out x :

40.7 is the opposite this time.

x is the adjacent.

x = 40.7/ Tan(44)

x = 42.1

5 0
3 years ago
A right triangle has legs of lengths 9 cm and 12 cm. calculate the length of the hypotenuse?
just olya [345]
Let the legs of the triangle be a and b, and the hypotenuse c.

Your first instinct might tell you to use the Pythagorean theorem to go about solving this because c= \sqrt{a^{2}+b^{2}}. This works, but it is slow.

The fastest way to solve this is to recognize that the right triangle is a special triangle where the ratio of the sides are 3:4:5. This means that if the legs are 9 and 12, then the hypotenuse is 15 because 3*3 is 9, 3*4 is 12, and 3*5 is 15.
6 0
2 years ago
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X^2+ 3x = 18 using zero product property
xz_007 [3.2K]
Its 18 to the 0 so one
8 0
3 years ago
Solve the following system of equations:
Akimi4 [234]
It would have no solutions that's your answer.
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Cengage Homework Trig/Pre-calc
iVinArrow [24]

Based on the populations of the town from 2000 to 2008, the average rate of change of the population between 2002 and 2004 is -6.1%

The average rate of change between 2002 and 2006 is -4.88%

<h3>What is the average rate of change?</h3>

The average rate of change can be found as:

=Change in population / Population in base year

The average rate of change in population between 2002 and 2004 is:

= (77 - 82) / 82

= -6.1%

The average rate of change in population between 2002 and 2006 is:

= (78 - 82) / 82

= -4.88%

Find out more on the average rate of change at brainly.com/question/23434598

#SPJ1

3 0
10 months ago
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