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3 years ago

4p+2p when simplifying

Mathematics

1 answer:

ale4655 [162]3 years ago

3 0

Four p plus two p is six p

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Please answer this I really need it!

olya-2409 [2.1K]

Answer: 4/49 m^2

Step-by-step explanation:

Multiply

2/7 x 2/7 = 4/49

7 0

3 years ago

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Find the angle between u = (-2,-5) and v = (5,2)

OleMash [197]

The angle between u = (-2,-5) and v = (5,2) is 134 degrees approximately.

<u>Solution:</u>

Given, two vectors are u = (-2, -5) and v = (5, 2)

We have to find the angle between two vectors.

We know that,

$a. b=\|a\| .\|b\| \times \cos \theta$

where $\theta$ is angle between vectors a and b

$\text { Now vectors are }(-2 \vec{\imath}-5 \vec{\jmath}) \text { and }(5 \vec{\imath}+2 \vec{\jmath})$

$(-2 \vec{\imath}-5 \vec{\jmath}) \cdot(5 \vec{\imath}+2 \vec{\jmath})=\sqrt{(-2)^{2}+(-5)^{2}} \times \sqrt{5^{2}+2^{2}} \times \cos \theta$

$\text { since }\|a\|=\sqrt{x^{2}+y^{2}} \text { for } a=x \vec{\imath}+y \vec{\jmath}$

$\begin{array}{l}{-10-10=\sqrt{29} \times \sqrt{29} \times \cos \theta} \\\\ {-20=29 \times \cos \theta} \\\\ {\cos \theta=\frac{-20}{29}} \\\\ {\theta=\cos ^{-1} \frac{-20}{29}} \\\\ {\theta=133.60}\end{array}$

Hence, the angle between given two vectors is 134 degrees approximately.

3 0

3 years ago

A closet contains 8 shirts, 5 skirts, and 6 pairs of shoes. How many possible outfit combinations are there?

german

since an outfit depends on the on the type of clothes worn @ time
8 shirts × 5 skirts × 6 pairs
= 240

Answer = 240 0utfit combination

8 0

3 years ago

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Someone please help<br> Find the common difference of 49, 43, 37

Marina CMI [18]

minus 6

Step-by-step explanation:

From 49 to 43 you minus 6

from 43 to 37 you minus 6

Please give me brainliest!

8 0

2 years ago

Tomic and Brooke make a game of shooting free throws. Each basket is worth 2.5 point.Each miss is worth - 0.75 points.Out of 30

Anit [1.1K]

They would have 29.5 point

3 0

3 years ago

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