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masha68 [24]
3 years ago
12

An elevator on the 10th floor goes down 9 floors. Then it goes up 19 floors, down 3, and finally down 12. What floor does it end

up on? Write an equation to show how you found your answer(24 Points
Mathematics
1 answer:
Ksivusya [100]3 years ago
4 0
It lands on floor 5.
10-9+19-3-12
1+19-3-12
20-3-12
17-12
5
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The backboard of the basketball hoop forms a right triangle with the supporting rods, as shown. Use the
svlad2 [7]

Answer:

9.14 inches.

Step-by-step explanation:

From the question,

Assuming the diagram attached, is similar to diagram required to support the question,

From the diagram,

Applying pythagoras theorem

a² = b²+c²...................... Equation 1

Where a = 13.4 in, b = x in, c = 9.8 in.

Substitute these values into equation 1

13.4² = x²+9.8²

x² = 13.4²-9.8²

x² = 179.56-96.04

x² = 83.52

x = √(83.52)

x = 9.14 inches

Hence the distance between the rods is 9.14 inches

8 0
2 years ago
Which of the following is a complex number?<br> 0 -7<br> O 2+√3<br> O 4 + 91
aivan3 [116]
The second one because it has a square root symbol and the other ones are all numbers whole numbers
5 0
3 years ago
Ken made &amp;14,500 in five months at his new job how much can he expect to make in two years if his pay remains constant
solniwko [45]

Answer:

$69,600

Step-by-step explanation:

$14,500 in 5 months,

14,500/5=2,900

so he makes $2,900 each month,

1 year=12 months

2 years=24 months

-------------------------------------------------

2900*24=69600

so he expects to make $69,600 in two years.

4 0
3 years ago
Read 2 more answers
Jake has 12 liters of water. Name four different ways he can divide the water into buckets so each bicket has the same number of
sammy [17]
1 liter per 12 buckets, 3 liters per 4 buckets, 6 liters per 2 buckets, and 4 per 3.
5 0
3 years ago
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How many solutions does this linear system have? y = y equals StartFraction 2 over 3 EndFraction x plus 2.x+ 2 6x – 4y = –10
Ira Lisetskai [31]

Answer:

The system has one solution

Step-by-step explanation:

we have the system of equations

y=\frac{2}{3}x+2 ----> equation A

6x-4y=-10 ----> equation B

Solve the system by substitution

substitute equation A in equation B

6x-4(\frac{2}{3}x+2)=-10

6x-\frac{8}{3}x-8=-10

Solve for x

Multiply by 3 both sides to remove the fraction

18x-8x-24=-30

Combine like terms

10x=-30+24

10x=-6

x=-\frac{6}{10}

Simplify

x=-\frac{3}{5}

<em>Find the value of y</em>

y=\frac{2}{3}(-\frac{3}{5})+2

y=-\frac{6}{15}+2

y=\frac{24}{15}

Simplify

y=\frac{8}{5}

The solution of the system is the point (-\frac{3}{5},\frac{8}{5})

therefore

The system has one solution

4 0
3 years ago
Read 2 more answers
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