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MAXImum [283]
3 years ago
13

WILL MARK BRAINLIEST!!!

Mathematics
1 answer:
babymother [125]3 years ago
8 0

Answer: -2

Step-by-step explanation:

To find the slope of the line , we will write the equation in the form:

y = mx + x

where:

m = slope

c = y - intercept.

To write 4x + 2y = 12   in this form , we will make y the subject of the formula.

Subtract 4x from both sides

2y = -4x + 12

Divide through by 2y = -2x + 6

Therefore :

slope = -2

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Rearrange slightly...

12xy-8y-9x+6 now factor 1st and 2nd pair of terms

4y(3x-2)-3(3x-2)

(4y-3)(3x-2)
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What force would have been applied to the bus from t=16 s to t=21 s? Assume the mass of the bus was 50 kg.
Svetllana [295]

Applying Newton's Second Law, it is found that the force, in Newtons, is given by:

F = 10[v(21) - v(16)]

Newton's Second Law states that Force, in Newtons, is <u>mass times acceleration</u>, that is:

F = ma

In this problem, mass of 50 kg, thus m = 50

Acceleration is <u>change in velocity divided by change in time</u>, that is:

a = \frac{\Delta_v}{\Delta_t}

In this problem, we don't know the velocities, but know that time is from 16s to 21s, thus:

\Delta_t = 21 - 16 = 5

\Delta_v = v(21) - v(16)

Thus, the force is given by:

F = ma

F = m\frac{\Delta_v}{\Delta_t}

F = 50\frac{[v(21) - v(16)]}{5}

F = 10[v(21) - v(16)]

A similar problem is given at brainly.com/question/18801986

7 0
3 years ago
A survey of several 8 to 9 year olds recorded the following amounts spent on a trip to the mall: $31.11,$25.01,$18.53,$14.37,$24
Alex17521 [72]

Solution :

Amounts spent on a trip : $31.11, $25.01, $18.53, $14.37, $24.16, $21.91

Confidence interval = 80%

Average amount spent = 8 to 9 years old

One sample T confidence interval

μ : Mean of variance

80% of confidence interval results :

Using statistical software,

Variable : data

Sample mean : 22.515

Std. Err. = 2.3479945

DF = 5

L. limit : 19.049632

U. Limit : 25.980368

SD = 5.75

Critical value = 1.476

8 0
3 years ago
What is x? 4(x+2)=4(x+2)
Butoxors [25]
It's the identity equation so x\in\mathbb{R}
4 0
3 years ago
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