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forsale [732]
2 years ago
14

Find the gradients of line a and b

Mathematics
1 answer:
gayaneshka [121]2 years ago
5 0

Answer:

Gradient of A: 2

Gradient of B: -1

Step-by-step explanation:

Gradient = change in y/change in x

✔️Gradient of A using two points on line A, (2, 5) and (0, 1):

Gradient = (1 - 5)/(0 - 2) = -4/-2

Simplify

Gradient of A = 2

✔️Gradient of B using two points on line B, (0, 5) and (5, 0):

Gradient = (0 - 5)/(5 - 0) = -5/5

Simplify

Gradient of B = -1

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(3•x)•3-2=1 <br><br> I missed a lot of school and don’t know how to solve for x could you help me
elena-14-01-66 [18.8K]

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(3x) \times 3 - 2 = 1

(3x \times 3) - 2 = 1

9x - 2 = 1

Add sides 2

9x - 2 + 2 = 1 + 2

Simplification

9x = 3

Divide sides by 9

\frac{9x}{9}  =  \frac{3}{9}  \\

\frac{9}{9} x =  \frac{3}{9}  \\

x =  \frac{3}{3 \times 3}  \\

x =  \frac{1}{3}  \\

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4 0
3 years ago
Find the sum of the first 35 terms of the following series, to the nearest integer.<br> 3, 11, 19...
Tems11 [23]
<h3>Answer:   4865</h3>

=======================================================

Explanation:

The sequence {3,11,19,...} is arithmetic since we are adding 8 to each term to get the next one

  • 3+8 = 11
  • 11+8 = 19

etc. This means the common difference is d = 8.

The first term is a = 3

Let's use this formula

S = n*(2*a + d(n - 1) )/2

so we can find the sum of the first n terms. In this case, n = 35

So,

S = n*(2*a + d(n - 1) )/2

S = 35*(2*3 + 8(35 - 1) )/2

S = 35*(6 + 8(34))/2

S = 35*(6 + 272)/2

S = 35*(278)/2

S = 35*139

S = 4865

4 0
3 years ago
Help pleaseee:)))) <br> If x equals -4, what does -x equal???
Citrus2011 [14]
I would say it equals 4 because if x=-4 than -x should equal 4 i may be wrong though
5 0
3 years ago
Two card are pulled from a normal deck of 52 cards, without replacement.
8090 [49]

Answer:

The probability that both cards that are drawn are hearts is 1/17.

Step-by-Step-Explanation:

First off, know that there are 13 heart cards in the deck of 52 cards. Therefore, the chance of pulling a single heart card is 13/52. Let's say we do pull a heart card. Since there is no replacement for the heart card taken out of the deck, we now have 12 heart cards out of a deck of 51 cards. The chance of pulling out a heart card in now 12/51. To find the probability that both cards drawn out are hearts, multiply the two fractions together: (13/52)⋅(12/51)=156/2652=1/17.

<h2></h2><h2>So hence, your answer is 1/17</h2>

-----------------------------------——————---------------------------------------------------------

Thanks!

Answered by: FieryAnswererGT

#learnwithbrainly

Want to Thank me? JUST MARK ME BRAINLIEST! So simple!

8 0
2 years ago
Please help!!!!!!!!!!!!
Anna [14]

Answer:

5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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