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stira [4]
3 years ago
12

Please help ill give brainly and heart !!!! please !

Mathematics
1 answer:
Blizzard [7]3 years ago
5 0

Answer:

the answer is B

v = \pi {r}^{2} h = 3.14 \times  {3.5}^{2}  \times 12.75 \\ v = 490.43

Step-by-step explanation:

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I can help you solve what you want in mathematics in exchange for some money. If you want to, you can inform me about it and I will help you.

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Find the value of a² + b² , when a+ b = 8 and ab = 12
mezya [45]

Answer:

Step-by-step explanation:

6+2=8

6*2=12

6^{2} +2^{2}= 36+4=40

4 0
3 years ago
Read 2 more answers
Anyone here able to lend a helping hand?
elena55 [62]

Answer:

Step-by-step explanation:

1). Vertical intercept of the graph = Point at which the graph intersects the y-axis.

Therefore, vertical intercept is y = 1000.

In this situation vertical intercept means the initial dose of the drug taken = 1000 mg.

2). From the graph attached, point (x, y) represents,

x = Time 't' or duration

y = concentration of the drug after time 't'

Point (0, 1000) represents concentration = 1000 mg of the drug after t = 0 hour

Similarly, (1, 750) represents concentration = 750 mg after t = 1 hour

Therefore, fraction of drug remained = \frac{750}{1000}

                                                              = \frac{3}{4}

3). Let the equation, representing the concentration of the drug and time is,

y=a(b)^t

Here, a = Initial amount of the drug (at t = 0 hours)

            = 1000 mg

At (t = 1 hours), concentration of the drug = 750 mg

y=1000(b)^t

750=1000(b)^1

b=\frac{750}{1000}

b=\frac{3}{4}

Therefore, equation will be,

y=1000(\frac{3}{4})^t

8 0
3 years ago
F(x) = 12 + x<br> X<br> f(x)<br> -3<br> -1<br> 0<br> 4<br> 6
katen-ka-za [31]

9514 1404 393

Answer:

  (-3, 9), (-1, 11), (0, 12), (4, 16), (6, 18)

Step-by-step explanation:

The function definition tells you that adding 12 to the x-value will give you the value of f(x).

  -3 +12 = 9, for example

The (x, f(x)) values for the table are shown above.

7 0
3 years ago
Emma drinks 2/8 cup of water for every mile she hikes. Her water bottle holds 5 cups of water. How many miles can she hike befor
Nimfa-mama [501]
20 miles until her bottle runs out
5 0
3 years ago
What scale should I use?
Ilia_Sergeevich [38]

what grade math is this? It looks kinda complex...I can see why u asked what graph you shud use...

6 0
3 years ago
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