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Contact [7]
3 years ago
8

PLEASE HELP FAST NEED IT FAST =)

Mathematics
2 answers:
Taya2010 [7]3 years ago
3 0

Answer:

B

Step-by-step explanation:

larisa86 [58]3 years ago
3 0

Answer:

A

Step-by-step explanation:

brainliest?

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Who can help to develop and solve an algebraic equation for this question? ​
mixer [17]

Answer:

25 mins

Step-by-step explanation:

Harpeet worked -- x mins

Aiysha worked -- 2x mins

If Aiysha worked 50 mins, Harpeet worked:

2x = 50

x = 25 mins

Thenks and mark me brainliest :))

3 0
3 years ago
A concert hall has three sections: the main floor, the balcony, and the gallery. For a recent concert, 1020 tickets were sold. T
kakasveta [241]

Answer:

Gallery: g

Balcony: 2g

Main floor: 2g+225

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the equation of the line passing through ( -5, -3 ) and perpendicular
Artist 52 [7]

Answer:

y = 7/5x + 4

Step-by-step explanation:

use the slope from the equation -5/7 and take the negative reciprocal to get the perpendicular slope = 7/5. Then use the equation y=mx+b. Plug in x and y from the point given and the new slope and solve for b.

(-3) = (7/5)(-5) + b, (-3) = -7 + b, add 7 to both sides. b = 4. Rewrite the equation now to be y = 7/5x + 4

4 0
3 years ago
Y=1/2x+-4<br> Please answer
professor190 [17]
Put one dot on (0,-2) , (4,0), (-4,-4) connect the dots that is your graph line.

Slope is 1/2 and you is -4
6 0
4 years ago
Read 2 more answers
Help needed asap !!!!!!
Zinaida [17]

Answer:

b)0, yes

Step-by-step explanation:

Given:

Vectors (4,8) . (6,-3)

Finding inner product of vectors:

= 4x6 + 8x-3

=24-24

=0

Now to check the angle between them using formula a.b=|a|.|b|cosθ

|a|= \sqrt{4^{2} +8^{2} } \\\sqrt{16+64}

   =8.9

|b|=\sqrt{6^{2} +(-3)^{2} } \\\sqrt{36+9}

   =6.7

Putting values of a.b=0 and |a|=8.9, |b|=6.7 in a.b=|a|.|b|cosθ we get,

0= 8.9(6.7)cosθ

cosθ =0

θ=90 degrees

Hence the two vectors are perpendicular !

7 0
4 years ago
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