2 years ago

How would i solve this does anyone know?

1 answer:

7 0

You need to use pythagorean’s theorem. so a^2+b^2=c^2.

in this case it would be 6^2+8^2=c2

36+64=100

the square root of 100 is 10

x=10

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The class mark of the interval 100 to 120 is

Afina-wow [57]

Answer:

110

Step-by-step explanation:

= 120+100/2

=220/2

=110

CLASS MARK = HIGHEST OBSERVATION +LOWEST OBSERVATION BY 2

7 0

3 years ago

One family spends $134 on 2 adult tickets and 3 youth tickets at an amusement park. Another family spends $146 on 3 adult ticket

AnnZ [28]

3x + 2y = $134
2x + 3y = $146

Using elimination to solve for x

9x +6y = 3*134 Multiplying 1st equation by 3

-4x -6y = -2*146 | Multiplying 2nd equation by -2

5x = 3*134 - 2*146

5x = $110

x = $22, the cost of the youth ticket

Put x= 22 Into An Equation Then Solve For y

3(22)+2y= 134
66+ 2y=134
Subtract 66
2y=68
Y= 34

CHECKING Answer ($34 being the cost of the adult ticket) y = (134-3*22)/2

3*$22 + 2*$34 = $66 + $68 = $134

8 0

3 years ago

A city has a population of 51,368. If the population grows 1.8% each year, what will the

Andreyy89

Answer:

56,161

Step-by-step Thought Process:

Use the equation: $a(1+r)^x$ to solve this problem. Let x= time in years, a= initial amount, and r= growth rate.