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4 years ago

Can someone please answer this questions please answer it correctly and please show work please help me I need it please

Mathematics

1 answer:

Len [333]4 years ago

8 0

Answer:

29. A

30. B

31. B

32. A

34. B

38. A

Step-by-step explanation:

29. A. All possible answers

B-D Incorrect

30. $44.56 - $10 = $34.56

$34.56 ÷ $0.08 = 432

31. 0.7 × 4k = 2.8k

0.7 × -12 = -8.4

0.7 (4k - 12) = 2.8k - 8.4

32. A = Pi × Radius^2

Large circle = 380.13

Small circle = 201.06

Subtract 380.13 - 201.06 = 179.07

34. 42/500 = 8.4% = 1/12

38. There is a 0 percent chance. It is impossible.

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Find the projection of u onto v<br> URGENT HELP

padilas [110]

Given:

Two vectors are:

$u=\left$

$v=\left$

To find:

The projection of u onto v.

Solution:

Magnitude of a vector $v=\left$ is:

$|v|=\sqrt{a^2+b^2}$

Dot product of two vector $v_1=\left$ and $v_2=\left$ is:

$v_1\cdot v_2=a_1a_2+b_1b_2$

Formula for projection of u onto v is:

$Proj_vu=\dfrac{u\cdot v}{|v|^2}v$

$Proj_vu=\dfrac{\left \cdot \left }{(\sqrt{2^2+17^2)^2}}\left$

$Proj_vu=\dfrac{0\cdot 2+6\cdot 17}{4+289}\left$

$Proj_vu=\dfrac{0+102}{293}\left$

On further simplification, we get

$Proj_vu=\dfrac{102}{293}\left$

$Proj_vu=\left$

Therefore, the projection of u onto v is $Proj_vu=\left$ .

3 0

3 years ago

The volume of a right rectangular prism is 573.3 cm3. The length of the right rectangular prism is 7.35 cm and the height is 16.

Dimas [21]

7.35*16.25=119.43
573.3/119.43 = 4.8
Width=4.8

5 0

4 years ago

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This is just a question I want u guys to answer cause 99% of the adult population don't know the answer to this question.

Marrrta [24]

50/2 = 25

also can i have a brainliest

6 0

3 years ago

What is the answer to 500 ÷60

Mama L [17]

8 1/3. 60×8=480. 500-480=20. 20 is 1/3 of 60.

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4 years ago

If the area of a rectangle equals 40 square feet and it’s length is 10 feet, what is the width?

Olenka [21]

Answer:

w=4

Step-by-step explanation:

The area of a rectangle is given by

A = l*w

The area is 40 and the length is 10

40 = 10*w

Divide each side by 10

40/10 = 10w/10

4 =w

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3 years ago

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