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scZoUnD [109]
3 years ago
14

A straight line has a gradient of -2.Find the equation of that line if it passes through a point whose coordinates is (6,2).​

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
5 0
Y = mx + c (m = gradient, c = y-intercept)
y = -2x + c
2 = (-2 x 6) + c
2 = -12 + c
2 + 12 = c
c = 14

y = -2x + 14
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30. 3 x (5 + 6) = 33<br>33. 14 - (8 - 2) - 1 =<br>36. (3 + 2) × (4 + 6) =<br>39. 6 x 4 + 5) =​
Vanyuwa [196]

Answer:

39. 29

36. 50

33. 7

30. 33

Step-by-step explanation:

39. According to the Order of Operations, in this case, Subtraction & Addition are evaluated after Division & Multiplication:

6 \times 4 + 5 = 24 + 5 = 29

36. Evaluate everything since everything is wrapped in parentheses:

(3 + 2) \times (4 + 6) = 5 \times 10 = 50

33. Evaluate everything inside of parentheses FIRST:

14 - (8 - 2) - 1 = 14 - 6 - 1 = 7

I am joyous to assist you anytime.

7 0
3 years ago
Construct a triangle with the given dimensions:
lyudmila [28]

Answer:

Picture

Step-by-step explanation:

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4 0
3 years ago
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What does equal to 1+1?
Fudgin [204]

Answer:

21

Step-by-step explanation:

because look, 1+1 = 2 but if u add 2 to 1 u get 21 together.

4 0
2 years ago
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(x + 20<br> Solve for x:<br> 2<br> = 3x<br><br><br> Ox= 10<br> Ox=4<br> Ox=-14<br> Ox=-17
maxonik [38]

Answer:

\pmb{x=10 }

Step-by-step explanation:

  • x+20=3x

  • 3x-x=20

  • 2x=20

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6 0
2 years ago
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The national weather service keeps records of rainfall in valleys. Records indicate that in a certain valley the annual rainfall
Setler79 [48]

Answer:

The mean is 95 and the standard deviation is 2

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this question:

Population:

Mean 95, Standard deviation 12

Samples of size 36:

By the Central Limit Theorem,

Mean 95

Standard deviation s = \frac{12}{\sqrt{36}} = 2

4 0
2 years ago
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