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e-lub [12.9K]
3 years ago
11

I'm taking a test rn does anyone know this question

Mathematics
2 answers:
Anna007 [38]3 years ago
6 0

Answer:

9 ft.

Step-by-step explanation:

lara31 [8.8K]3 years ago
5 0

Answer:Let the base of the 15ft long ladder be placed x ft away from the wall so that it exactly reaches the top of a 12- foot tall wall.

By Pythagorean theorem

12

2

+

x

2

=

15

2

⇒

x

2

=

15

2

−

12

2

=

81

⇒

x

=

√

81

=

9

ft

Step-by-step explanation:

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Christy bought an 8 foot piece of lumber to trim a bookshelf.Altogether she needs 100 inches of lumber for the trim. Did christy
soldi70 [24.7K]
Christy did not get enough because 12 times 8 = 96. she needs 4 for inches.
6 0
3 years ago
Do you know the answer ?
SIZIF [17.4K]

draw in the line, here are the points

6 0
2 years ago
a movie ticket used to cost $4.25 back in 1990. inflation exist because products increase in value over time. the inflation rate
Andrews [41]

In the year 1998, movie tickets will be greater than $5.50 as determined by solving the equation y=4.25[(1.035)^x].

What is an equation?

  • Math can be used to analyze an equation or a set of equations.
  • An equation is a sentence that maintains the equivalence of two expressions. Most of the time, it is easy to solve the arithmetic equations given in an exact manner.
  • While perfect solutions can occasionally be found, it is more typical to find approaches that are just as accurate. It speaks to the particular guidelines for quadratic mathematical equations.

A movie ticket cost $4.25 in 1990.

The inflation rate is about 3.5%

Rate increased ,r=100%+3.5%=103.5%=1.035

equation generated is,

y=4.25[(1.035)^x]

Solving the equation for each year, we get the following data:

Tabulating the data

Year         cost

1990         4.25

1991          ....

....              ....

1998          5.5964~ 5.6

In the year 1998, the will be greater than $5.50.

To learn more about equations visit:

brainly.com/question/17145398

#SPJ1

6 0
1 year ago
Need help with number 5 plz and thank you
____ [38]
Yes, my dear~♥️.
x=1, y=7
x=2, y=9
x=3, y=11
x=4, y=13
So your answer is point B.)
4 0
3 years ago
Read 2 more answers
8.
Fantom [35]

Answer:

C 109

Step-by-step explanation:

First add all the known angles inside the triangle first to get 109°

Then since all angles in a triangle add to 180°

you take away 109 from 180 so

180-109 which equals 71

Then since all angles on a straight line add up to 180°

you take 71 from 180 so

180-71 = 109

so x = 109°

8 0
1 year ago
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