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Oksanka [162]
3 years ago
5

A woodworker makes wooden checkerboards. Her profit is a function of the

Mathematics
1 answer:
mash [69]3 years ago
6 0

Answer: b is the correct answer

Step-by-step explanation:

I did the quiz and it was right

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Find the distance of a chord 8cm long from the centre of a circle radius 5cm​
KiRa [710]

Answer:

3 cm

Step-by-step explanation:

4 0
3 years ago
A metallic sphere is immersed in water in a cylindrical container causing a rise in the level of water by 7.5cm if the cylinder
SVETLANKA909090 [29]

Answer:

6.51 cm

Step-by-step explanation:

Since the sphere causes the water level in the cylindrical container to rise and thus increase by its own volume, the volume of the sphere is V = 4πr³/3 where r = radius of sphere. The volume rise of the container is thus    V' = πR²h where R = radius of base of cylinder = 7 cm and h = height of water level = 7.5 cm.

Since V = V',

4πr³/3 = πR²h

dividing through by π, we have

4r³/3 = R²h

multiplying both sides by 3/4, we have

r³ = 3R²h/4

taking cube-root of both sides, we have

r = ∛(3R²h/4)

Substituting the values of the variables into the equation, we have

r = ∛(3(7 cm)² × 7.5 cm/4)

r = ∛(3 × 49 cm² × 7.5 cm/4)

r = ∛(1102.5cm³/4)

r = ∛(275.625 cm³)

r = 6.508 cm

r ≅ 6.51 cm to 2 decimal places

3 0
3 years ago
Help urgently with 1 and 2
ladessa [460]

Answer:

1: b

2: c

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
Find the simple interest for 3 years at a rate of 7.5% on $200
Vesnalui [34]
<h2><em>Answer:</em></h2><h2><em>$</em><em>4</em><em>5</em></h2>

<em>Solution</em><em>,</em>

<em>Principal</em><em> (</em><em>P)</em><em>=</em><em>$</em><em>2</em><em>0</em><em>0</em>

<em>Time(</em><em>t)</em><em>=</em><em>3</em><em> </em><em>years</em>

<em>Rate(</em><em>R)</em><em>=</em><em>7</em><em>.</em><em>5</em><em>%</em>

<em>Now,</em>

<em>Simple </em><em>Interest=</em><em>PTR</em><em>/</em><em>1</em><em>0</em><em>0</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>2</em><em>0</em><em>0</em><em>*</em><em>3</em><em>*</em><em>7</em><em>.</em><em>5</em><em>/</em><em>100</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>4</em><em>5</em><em>0</em><em>0</em><em>/</em><em>100</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em> </em><em>$</em><em>4</em><em>5</em>

<em>Hope </em><em>it</em><em> helps</em>

<em>good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

6 0
4 years ago
Ryan conducted a 6-day study observing the effects of an organic plant food on the growth of his sprouting bean plant. He tracke
LekaFEV [45]

Answer:

The relationship is a function because only one amount of plant food remains each day

Step-by-step explanation:

The relationship is a function because only one amount of plant food remains each day

y (remaining at finish of the day) = - 12 x + 72

x = 1     y = 60

x = 2     y = 48

x = 3     y = 36

x = 4     y = 24

x = 5     y = 12

x = 6     y = 0

8 0
3 years ago
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