3 years ago

What is the value of 24 : 48?

Mathematics

1 answer:

Tanya [424]3 years ago

3 0

Answer:

1/2

Step-by-step explanation:

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Write the following parametric equations as a polar equation x=t^2 y=2t

Fofino [41]

Answer:

$r=4\csc \theta \cot\theta$

Step-by-step explanation:

The given parametric equations are;

$x=t^2$

$y=2t$

We make t the subject in the second equation to get:

$t=\frac{y}{2}$

We substitute into the first equation to get:

$x=(\frac{y}{2})^2$

We use the relation:

$x=r\cos \theta$ and $y=r\sin \theta$

$r\cos \theta=(\frac{r\sin \theta}{2})^2$

$r\cos \theta=\frac{r^2\sin^2 \theta}{4}$

$r=4\csc \theta \cot\theta$

8 0

3 years ago

A model satellite has a scale of 1 cm: 3 m.

Andrej [43]

Answer: 9 meters

set up a simple conversion:

X = 3m

Y = 3X

Y=3(3 meters)

Y=9 meters

5 0

3 years ago

Find the mean of the data plot below.

stich3 [128]

<h3>Answer: 24</h3>

=============================================

Explanation:

The dot plot indicates we have this data set: {20, 23, 25, 28}

Add up those values to get 20+23+25+28 = 96

Then divide by 4 since there are 4 values being added up here

96/4 = 24

So the arithmetic mean is 24.

4 0

3 years ago

Which ratio is equivalent to 14/21 2/7 2/3 1/7 3/4

sergiy2304 [10]

The correct answer here is 2/3

That is because 7 doubled is 14 and 7 multiplied by 3 is 21.

6 0

3 years ago

Evaluate f(x)=8(2)^x x=-3

skad [1K]

Plug in -3 for x

f(-3) = 8(2^-3)

2^-3 = 1/2^3 = 1/6

f(-3) = 8(1/6)

f(-3) = 8/6

Simplify. Divide 2 from both numerator and denominator

f(-3) = (8/6)/(2/2)
f(-3) = 4/3

f(-3) = 4/3 , or 1 1/3

hope this helps

7 0

3 years ago