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Alinara [238K]
3 years ago
7

Slope intercept! Please help! Will mark brainliest.

Mathematics
1 answer:
avanturin [10]3 years ago
3 0

3) y = -\frac{1}{2}x + 3

Slope-intercept form is y = mx + b when m is the slope and b is the y-intercept

b = 2 (line hits y-axis at 2)

m = \frac{rise}{run} or\frac{change.in.y}{change.in.x} so \frac{1}{2} and the line is negative, so -\frac{1}{2}

Write our equation by putting the parts together, and we get:

y = -\frac{1}{2}x + 3

4) y =  -\frac{2}{3}x - 1.67

Point slope form is y - y1 = m (x - x1) when y1 is the y coordinate of the point, m is the slope, and x1 is the x coordinate of the point

y - y1 = m (x - x1)

Finding the slope (same as above) results in -\frac{2}{3}

<em>*aaaa I have to go, good luck, I do have the answer just no times to write out the steps, good luck and have a nice day!*</em>

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bagirrra123 [75]

The original price is 100% of the price. If the price is marked 60% off, then you pay 40% of the original price.

An item costs x dollars.

With the 60% off discount, it now costs 40% of x, or 0.4x.

Now you apply a 30% discount.

For the second discount, consider the price 0.4x to be the new original price. If the price is now discounted 30%, you will pay 70% of the new original price.

Start with 0.4x.

Now calculate 70% of 0.4x.

70% of 0.4x = 0.70 * 0.4x = 0.28x

After applying the 60% discount and the 30% discount, the item that originally cost x now costs 0.28x. 0.28x is the same as 28% of x. The amount you pay is 28% of the original price.

Answer: 28%

3 0
3 years ago
A new car is purchased for 22400 dollars. The value of the car depreciates at 11% per year. To the nearest tenth of a year , how
m_a_m_a [10]

Answer:

t= 12.9 years

Step-by-step explanation:

Value after t years = initial value ( 1 - r )^t

Where,

Value after t years= $5000

Initial value = $22,400

r= depreciation rate = 11%

t= length of time (years)

Value after t years = initial value ( 1 - r )^t

5000 = 22,400 ( 1 - 0.11)^t

5000 = 22,400(0.89)^t

Divide both sides by 22,400

(0.89)^t = 5000 / 22,400

(0.89)^t = 0.2232

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t log 0.89 = log 0.2232

t= log 0.2232 / log 0.89

= -0.6513 / -0.0506

= 12.87

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5 0
3 years ago
(_x2) + (_x3)=12 In four different ways
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The uncompromising/ A tone of a recent city hall ordinance concerning/B the blocking of emergency
Keith_Richards [23]

A recent municipal call ordinance that prohibits emergency vehicles from being blocked in gridlock delivers a strong warning to drivers.

<h3>What are jumbled Sentences?</h3>

The grammar exercise in which we rearrange the words in an abrupt manner for the reader to arrange them back is known as jumbled sentences.

The reasoning behind Correct Answer C: This sentence's mistake can be seen at (C), where the subject and verb dispute. The solitary subject, "The uncompromising tone," cannot be referred to by the plural verb "carry." It must use the singular verb "carries."

The reason given for Wrong Answer A: Nothing is wrong here (A). The noun "tone" is appropriately modified by the adjective "uncompromising."

The reason given for Wrong Answer B: Nothing is wrong here (B). The ordinance, the noun that comes before it, is correctly modified by the participle "concerning."

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Justification for Wrong Answer E: The statement contains a typo.

To learn more about Jumbled Sentences, visit:

brainly.com/question/24289944

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8 0
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ozzi
Look for the calculator for algebra online
6 0
3 years ago
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