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3 years ago

Solve the equation using the square root method X^2 – 100 = 0

Mathematics

1 answer:

galben [10]3 years ago

7 0

Photo has the answer you’re looking for

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16 31 Here is a compound shape made from two rectangles. - 6 cm 4 cm NOT DRAWN 9 cm TO SCALE 12 cm n ek NO ME (a) Calculate the

maks197457 [2]

Answer:

Well perimeter is adding up all the sides since it's a rectangle the first one is just 6 + 6 + 4 + 4 = 20 cm

The second would be 9 + 9 + 12 + 12 = 42 cm if this is not an option or if it is wrong let me know and I will try again

3 0

3 years ago

Chose the missing side length and the trigonometric ratio you would use to calculate.

Over [174]

Answer:

The missing value is 2.9mm and cosine was used

Step-by-step explanation:

Given triangle is a right-angled triangle we can use trigonometric ratios to calculate the missing length.

In the given triangle,

Base = k

Hypotenuse = 15mm

Angle = 79

We will use trigonometric ratio which includes base and hypotenuse.

Using cosine,

$cos\ (angle) = \frac{Base}{hypotenuse}\\cos\ 79 = \frac{k}{15}\\k = cos\ 79 * 15\\k = 0.1908*15\\k = 2.862$

Rounding off to nearest tenth

$k= 2.9mm$

Hence,

The missing value is 2.9mm and cosine was used

3 0

3 years ago

Gavin thought he was making a good investment when he heard about an online grocery company. So he bought 500 shares in the comp

denis23 [38]

I had this question last year. it is 98.8%

5 0

3 years ago

Read 2 more answers

How did you find the length of the a sides?

goldenfox [79]

Answer:

So If This Is Area You Take The Top Number And Subtract It By The Bottom Number To Get the Sides

Step-by-step explanation:

6 0

3 years ago

Photos and videos have become an important part of the online social experience, with more than half of Internet users posting p

klasskru [66]

Answer:

0.82

Step-by-step explanation:

Given:

A be the event that an Internet user posts photos taken by themselves.

B be the event that an Internet user posts photos taken by themselves.

P(A) = 0.47

P(A) = 0.28

P(A or B) = $P(A\cup B)$ = 0.52

To find:

Conditional probability that an Internet user posts photos given that they post videos.

P(A/B) = ?

Solution:

Formula to be used to find the required conditional probability:

$P(A/B) = \dfrac{P(A \cap B)}{P(B)}$

For this, $P(A \cap B)$ is required.

Formula

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

$0.52=0.47+0.28-P(A\cap B)\\\Rightarrow P(A\cap B)=0.23$

Now, the required conditional probability is:

$P(A/B) = \dfrac{P(A \cap B)}{P(B)}\\\Rightarrow P(A/B) = \dfrac{0.23}{0.28}\\\Rightarrow \bold{P(A/B)} = 0.82}$

So, the answer is 0.82.

5 0

4 years ago