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3 years ago

Here’s the question:

Mathematics

2 answers:

Delicious77 [7]3 years ago

8 0

Answer:

An easy way to solve this problem is divide $23.25 by 3 or $54.25 by 7. Either way, you get $7.75. This number represents the amount of money he makes for 1 hour. So with that in mind, the correct equation is:

$7.75x = y

Step-by-step explanation:

Ulleksa [173]3 years ago

8 0

Answer: y = 7.75x

Step-by-step explanation:

Find the difference of charges between 6 hours and 8 hours

62-46.5 = 15.5 for 2 hours

15.5/2 = 7.75/hr

62 = 7.75 x 8

Therefore there is no initial charge, and that the relationship is linear

so y = 7.75x

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Three cylinders have a volume of 2836 cm^3. Cylinder A has a height of 900 cm. Cylinder B has a height of 225 cm. Cylinder C has

Vinvika [58]

Answer:

Ra = 1 cm , Rb = 2cm and Rc = 3 cm

Step-by-step explanation:

In the given data you've missed one word:

"Three cylinders have a volume of 2836 cm^3 each "

According to this we have:

V₁ = V₂ = V₃ = V = 2836 cm³, Ha = 900 cm, Hb = 225 cm and Hc = 100 cm and π ≈ 3.14

Formula for calculating volume is:

V = B · H, where B is base of the cylinder and H is height of the cylinder.

Ba = V / Ha = 2836 / 900 = 3.15 cm²

Ba = Ra² · π ⇒ Ra² = Ba / π = 3.15 / 3.14 ≈ 1 cm² ⇒ Ra = √1 = 1 cm

Ra = 1 cm

Bb = V / Hb = 2836 / 225 = 12.6 cm²

Bb= Rb² · π ⇒ Rb² = Bb / π = 12.6 / 3.14 ≈ 4 cm² ⇒ Rb = √4 = 2 cm

Rb = 2 cm

Bc = V / Hc = 2836 / 100 = 28.36 cm²

Bc = Rc² · π ⇒ Rc² = Bc / π = 28.36 / 3.14 ≈ 9 cm² ⇒ Rc = √9 = 3 cm

Rc = 3 cm

God with you!!!

6 0

4 years ago

The broccoli farmer notices that his pre-flowering crop is being attacked by caterpillars. He was advised to use a particular in

Sati [7]

Answer:

a) 3,467 gallons of water

b) 17,335 ml of insecticide = 12 bottles

c) $ 42,000

Step-by-step explanation:

1 gal. Water = 3785.412 ml

1 hectare = 10,000 m^2

2.6 hectare = 2.5 x 10.000 m^2 = 26,000 m^2

(a) 4 gal. water cover 30m^2

X gal water cover 26,000 m^2

(4 x 26,000)/30 = 3,467 gal of water

(b) 5 ml per 1 gal of water

X ml per 3,467 gal of water

(5 x 3,467) = 17,335 ml of insecticide

Bottle of insecticide = 1,500 ml of insecticide in each bottle.

17,335/1,500 = 12 bottles of insecticide

8 0

3 years ago

What is the distance between (-5,5) and (3,-3)

Butoxors [25]

Answer:

the distance between (-5,5) and (3,-3) is

Step-by-step explanation:

the distance formula is d= $\sqrt{(x^2-x^1 )^2+(y^2-y^1)^2\\$

step on plug in:

x1=-1

x2=3

y1=5

y2=-3

$\sqrt{(-5-3 )^2+(5-(-3)^2\\$

step 2 solve it:

= $\sqrt{(-8 )^2+(8)^2\\$

= -8x-8= +64 8x8=16

= $\sqrt{64+64\\$ = $\sqrt{128$

when reduced it's= $8\sqrt{2}$ or 11.31 <--- thats the answer

6 0

3 years ago

Identify the property: 3(9) + 3(7) = 3(9 + 7)

Aleks [24]

3(9) = 27
3(7) = 21
3(9+7) = 48
27+21 = 48
48=48

4 0

4 years ago

Read 2 more answers

What is equal to 2/4

Travka [436]

Fractions: 4/8, 1/2

Percent: 50%

Decimal: 0.50

8 0

3 years ago

Read 2 more answers