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3 years ago

1

Mathematics

1 answer:

Hitman42 [59]3 years ago

8 0

Answer:

answer of this question is = m⁹n⁶p¹⁵

and plz mark my answer as brainlist if it help you out with this question and plz vote me .....

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What is the standard deviation of the data set 21 ,6,18,21,20,14,19

VashaNatasha [74]

21 is the answer i think idk try dividing them all or finindng something or look up how to find a standard deviation

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3 years ago

A basket contains 6 peaches and 8 plums. What is the ratio of peaches to total pieces of fruit.

vagabundo [1.1K]

Answer:

3:7

Step-by-step explanation:

A basket has:

6 peaches

8 plums

The total amount of fruits is

6+8= 14

The ratio of peaches to total pieces of fruit is:

6:14

3:7

8 0

3 years ago

Read 2 more answers

Which sequence of transformations will map figure H onto figure H′?Two congruent hexagons are shown on a coordinate plane; hexag

frozen [14]

Answer:

Rotation of 180° about the origin, translation of (x + 10, y − 2), and reflection across y = −6

Step-by-step explanation:

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3 years ago

How do you factor out the coefficient of the variable in 2b+8

tekilochka [14]

2(b+4)
2 is the GCF

8 0

3 years ago

Factorise 9w² - 100<br><br><br>

ohaa [14]

Answer:

$9\, w^{2} - 100 = (3\, w - 10) \, (3\, w + 10)$ .

Step-by-step explanation:

Fact:

$\begin{aligned} & (a - b)\, (a + b)\\ =\; & a^{2} + a\, b - a\, b - b^{2} \\ =\; & a^{2} - b^{2} \end{aligned}$ .

In other words, $(a^{2} - b^{2})$ , the difference of two squares in the form $a^{2}$ and $b^{2}$ , could be factorized into $(a - b)\, (a + b)$ .

In this question, the expression $(9\, w^{2} - 100)$ is the difference between two terms: $9\, w^{2}$ and $100$ .

$9\, w^{2}$ is the square of $3\, w$ . That is: $(3\, w)^{2} = 9\, w^{2}$ .
On the other hand, $10^{2} = 100$ .

Hence:

$9\, w^{2} - 100 = (3\, w)^{2} - (10)^{2}$ .

Apply the fact that $a^{2} - b^{2} = (a - b) \, (a + b)$ to factorize this expression. (In this case, $a = 3\, w$ whereas $b = 10$ .)

$\begin{aligned}& 9\, w^{2} - 100 \\ =\; & (3\, w)^{2} - (10)^{2} \\ = \; & (3\, w - 10)\, (3\, w + 10)\end{aligned}$ .

8 0

3 years ago