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Yanka [14]
2 years ago
5

Help please im using my all out attack

Mathematics
2 answers:
zlopas [31]2 years ago
6 0

Answer:

Use fraction multiplication

Step-by-step explanation:

It isn't to hard just lok at some notes and don't let a calculaotr mess you up.

Add to the starting height or use slope, y-mx+b

vovikov84 [41]2 years ago
4 0

you have a calculator on your tabs .,.

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What is the maximum value of the function f(x)= 12 - 3sin (3pi/2 x)
Natali [406]
The lowest value of sinα is -1.

When x=1, you get:

f\left( x \right) =12-3\sin { \left( \frac { 3 }{ 2 } \pi  \right)  } \\ \\ =12-3\left( -1 \right) \\ \\ =12+3\\ \\ =15

So the maximum value of the function is 15.
6 0
3 years ago
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Question 1. Find the surface area of the square pyramid below.
Anton [14]
95.0cm is the answer of this


5 0
3 years ago
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Question 8b , thanks
marta [7]

Answer:

Step-by-step explanation:

a = \frac{2b+1}{3b-1}

b = 2/3

2b + 1 = 2*\frac{2}{3}+1\\\\=\frac{4}{3}+1\\\\=\frac{4}{3}+\frac{3}{3}\\\\=\frac{7}{3}\\\\3b-1 = 3*\frac{2}{3}-1\\\\=2- 1 = 1\\\\\\

a = \frac{2b+1}{3b-1}\\\\a=\frac{\frac{7}{3}}{1}\\\\=\frac{7}{3}\\\\

a = 7/3

b)

\frac{2b+1}{3b-1}=a\\\\

Cross multiply,

2b + 1 = a*(3b - 1)

2b + 1 = a*3b - 3*a

2b + 1 = 3ab- 3a

2b = 3ab - 3a - 1

2b - 3ab = -3a  - 1

b(2 - 3a) = -3a - 1

b =\frac{-3a - 1}{2 - 3a}

3 0
2 years ago
the number of kilometers a car can drive varies directly with the liters of fuel in the car. this car can travel 476 kilometers
notka56 [123]

For this case we have that the relationship is direct.

Therefore, we have:

y = k * x

Where,

y: distance traveled in kilometers

x: number of liters of fuel

k: proportionality constant

We must look for the value of k. For this, we use the following data:

This car can travel 476 kilometers on 17 liters of fuel.

Substituting values we have:

476 = k * 17

From here, we clear the value of k:

k = \frac{476}{17}\\k = 28

Therefore, the relationship is:

y = 28x

For 1428 kilometers we have:

1428 = 28x

Clearing the amount of fuel we have:

x = \frac{1428}{28}\\x = 51

Answer:

51 liters of fuel are required for the vehicle to travel 1,428 kilometers

3 0
3 years ago
What is the measure of major B 84° O 276° O252° O 84° O 168 arc AB? A​
alekssr [168]

Answer:

A - 84°

Step-by-step explanation:

The measure of an arc is equal to the measure of the central angle that intersects it.

The central angle of this circle measures 84° and it intercepts arc AB, meaning arc AB measures 84°

4 0
1 year ago
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