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ira [324]
2 years ago
14

A marble begins a marble track at 18.5 inches above the tabletop. It goes down a slide 8 inches long, rides up two paddle wheels

that are 2 1/4 inches each. You want to split the remaining height into three equal sections, how long will each section be?
Mathematics
1 answer:
snow_lady [41]2 years ago
6 0

Answer:

2in

Step-by-step explanation:

18.5in - 8in = 10.5in

10.5in - (2.25in * 2) = 10.5in - 4.5in = 6in

6in / 3 = 2in

Hope it helps,... Chow,...!

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Factorise -75ab² - 15ac
krok68 [10]

Answer:

9) 51 × 10⁻⁵ = 0.00051

10) Cash price = #54,000 × (1 - 0.125) = #47,250

11) -40·p·q÷(-2)² = -10·p·q

12) 0.003 × 0.045 = 1.35 × 10⁻⁴

13) N40°W = 320°

14) The base diameter of the cylinder = √(4 × (700×π cm³/7)/π) = 20 cm

15) The LCM of 2·x²·y, 3·x·y² is 12·x²·y²

16) 636,000 = 6.36 × 10⁵

17) 1/3·π·r²·h₁ = π·r²·h₂

h₂/h₁ = 1/3·π·r²/( π·r²) = 1/3

h₂/12 =  1/3

h₂ = 12/3 = 4 cm, the height of the cylinder = 4 cm

18) The angle = 180 + 45 = 225°

19) The total surface area = 22/7×14²/4 +  22/7 ×14 × 20 = 1034 cm²

20) The number is 58/2 = 29.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
PLEASE HURRY! this is financial algebra
Zina [86]

Answer:

6 years

Step-by-step explanation:

Simple interest= P.R.T

I = $1300

P = 18000 deposit

Rate = 1.19%

T = ?

Putting into the formula we have

1300 = 18000x1.19/100xT

1300 = 18000x0.0119xT

1300 = 214.2T

Divide through to get T

T = 1300/214.2

= 6.069

So when we approximate T = 6 years

It would take 6 years to make $1300 in interest

7 0
3 years ago
Help me guys please !
neonofarm [45]

Answer:

<em>Tim </em><em>will </em><em>get </em><em>£</em><em> </em><em>8</em>

<em>Sam </em><em>will </em><em>get </em><em>£</em><em> </em><em>3</em><em>2</em>

<em>Solution,</em>

<em>let </em><em>the </em><em>ratios </em><em>be </em><em>x </em><em>and </em><em>4</em><em>x</em>

<em>x + 4x = 40 \\ or \: 5x = 40 \\ or \: x =  \frac{40}{5}  \\ x = 8 \\ replacing \: value \\ 4x \\  = 4 \times x \\  = 4 \times 8 \\  = 32</em>

<em>hope </em><em>this </em><em>helps.</em><em>.</em><em>.</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em>

8 0
2 years ago
Read 2 more answers
Please help!
lana66690 [7]

Answer:

see explanation

Step-by-step explanation:

Given the recursive formula

a_{n} = \frac{1}{2}a_{n-1} with a₁ = 1, then

a₂ = \frac{1}{2} a₁ = \frac{1}{2} × 1 = \frac{1}{2}

a₃ = \frac{1}{2} a₂ = \frac{1}{2} × \frac{1}{2} = \frac{1}{4}

6 0
3 years ago
Andy sold 125 baseball cards on the third day at his sporting goods store. On
castortr0y [4]
Can u give me thanks I need it so I can get 50 points plz
5 0
2 years ago
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