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scZoUnD [109]
3 years ago
9

Will award BRAINLIEST

Mathematics
2 answers:
Leviafan [203]3 years ago
6 0
The answer is 3√5 units


Explain

∠KMJ = 180° - 90° -adjacent angles on a straight line = 90°

Using Pythagora's Theorem

KJ² = 6² + 3²

KJ² = 45

KJ = √45

= √9√5

= 3√5
mart [117]3 years ago
6 0

Answer:

hewo. its a perpendicular triangle. so

6²+3² will equal to KJ.

36+9=45

45 is = 3√5 because when i put three in square, thats gonna be 3×3×5 = 45.

if u have question u can ask. good luck(:

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A 4.5 kg cat requires medication at a dose rate of 5 mg/kg once daily for the next 7 days. The tablets are available in 10 mg st
Marta_Voda [28]

Answer:

<u>Approximately 16 tablets of medicine</u>

Step-by-step explanation:

Based on the information above , we can use a <u>Rule of Three</u> to first figure out how many mg the cat would need to ingest per day.

\frac{5mg}{1kg} = \frac{x}{4.5kg}

\frac{5mg*4.5kg}{1kg} = 22.5mg

Now we see that the cat needs to take a daily dose of 22.5mg. Since the Tablets come at a strength of 10 mg per tablet then,

22.5 / 10 = 2.25

The cat would need to take 2.25 tablets per day. Since she needs to take the dose for the next 7 days then,

2.25 * 7 = 15.75

She would need to take<u> approximately 16 tablets of medicine</u> during the week .

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

5 0
3 years ago
Convert the polar equation to an equivalent rectangular equation:
Alchen [17]

Answer:

The correct answer will be option b

Step-by-step explanation:

We know that x = rcos( θ ), and y = rsin( θ ), so let's rewrite this polar equation.

r = 4( x / r ) + 2( y / r ),

r = 4x / r + 2y / r,

r = 4x + 2y / r,

r / 1 = 4x + 2y / r ( Cross - Multiply )

4x + 2y = r²

We also know that r² = x² + y², so let's substitute.

x² + y² = 4x + 2y,

x² - 4x - 2y + y² = 0,

Circle Equation : ( x - 2 )² + ( y - 1 )² = ( √5 )²,

Solution : ( x - 2 )² + ( y - 1 )² = 5

8 0
3 years ago
A 12-ft ladder leaning against a house makes a 64 degree angle with the ground. Will the ladder reach a window sill that is 10.5
Luba_88 [7]

Answer:

Yes, it will

Step-by-step explanation:

Given

Length of Ladder = 12 ft

Angle = 64

Required

Determine if it'll reach a height of 10.5ft from the base

See attachment for proper illustration.

<em>From the attachment, we want to determine that x be greater than 10.5</em>

Using sin formula:

Sin\ 64 = \frac{x}{12}

Multiply through by 12

x = 12 * sin\ 64

x = 12 * 0.8988

x = 10.79 (Approximated)

<em>Since 10.79 is greater than 10.5, then the ladder will reach the window</em>

sin64 = x/12

x = 12* sin64

5 0
3 years ago
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Sophie [7]

Answer:

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4 0
3 years ago
Piper is planning for a birthday party. She gets to pick a meal activity and cake. For dinner the choices are spaghetti or pizza
Free_Kalibri [48]

Answer:

arcade, pizza, chocalte cake

Step-by-step explanation:

8 0
3 years ago
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