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2 years ago

BRAINLIEST AND MAX PTS CONVERT y = 40x + 600 to point-slope form

Mathematics

2 answers:

Kisachek [45]2 years ago

5 0

Answer:

y - 640 = 40(x - 1)

Step-by-step explanation:

y = 40x + 600

Slope: 40

Find any point on the line:

Let x = 1

y = 640

(1,640)

Point slope form:

y - y1 = m(x - x1)

y - 640 = 40(x - 1)

IRISSAK [1]2 years ago

3 0

Answer:

The answer to your question is y - 0 = 40(x - 15)

Step-by-step explanation:

y = 40x + 600

Convert to y - y₁ = m(x - x₁)

Process

1.- Factor 40 in the right side of the equation

y = 40(x - 15)

2.- Give the form of the point slope form

y - 0 = 40(x - 15)

where

y₁ = 0

m = 40

x₁ = 15

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2 years ago

Read 2 more answers

2. Kim is x years old. Jordan is 7 years older than Kim. Four times Jordan’s age is equal to 200. (a) Write an equation that cou

Tomtit [17]

Let, the age of Kim = x
Then, Jordan's age = x + 7

It is given that, 4(x + 7) = 200

a) Equation would be: 4x + 28 = 200

b) Now, 4x = 200 - 28
x = 172/4
x = 43

So, Kim is 43 Years old.

c) Age of Jordan = x + 7
= 43 + 7 = 50

In short, Age of Jordan is 50 Years

Hope this helps!

4 0

2 years ago

How do you do this question?

mihalych1998 [28]

Answer:

C) π/6

Step-by-step explanation:

The area under the curve from x=-π/2 to x=k is 3 times the area under the curve from x=k to x=π/2.

$\int\limits^k_{-\frac{\pi }{2}} {cos\ x} \, dx = 3\int\limits^{\frac{\pi }{2}}_k {cos\ x} \, dx\\sin\ x\ |^{k}_{-\frac{\pi }{2}} = 3\ sin\ x\ |^{\frac{\pi }{2}}_k\\(sin\ k - (-1)) = 3\ (1 - sin\ k)\\sin\ k + 1 = 3 - 3\ sin\ k\\4\ sin\ k = 2\\sin\ k = \frac{1}{2}\\k = \frac{\pi}{6}$

Graph: desmos.com/calculator/mezlen9hb4

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3 years ago

The weekly ad for a local grocery store advertises a 5 pound bag of organic apples for $13.95. Round each rate to the nearest hu

beks73 [17]

Answer:

$2.79 per pound of apples.

0.36 pounds per dollar.

The unit rate representing cost of per pound apples is typically used.

Step-by-step explanation:

We have been given that the weekly ad for a local grocery store advertises a 5 pound bag of organic apples for $13.95.

Since we know when rates are expressed as a quantity of 1, such as 100 meter per second or 5 miles per hour, they are called unit rates. We need to have 1 in our denominator to express two quantities as unit rate.

Let us find the unit rate in terms of cost of per pound bag of apples.

$\text{Unit rate as the cost of organic apples per pound}=\frac{\$13.95}{5 \text{ pounds of organic apples}}$

$\text{Unit rate as the cost of organic apples per pound}=\frac{\$2.79} {\text{ pound of organic apples}}$

Therefore, our unit rate will be $2.79 per pound of apples.

Let us find unit rate of pounds of apples per dollar.

$\text{Unit rate as the pounds of organic apples per dollar}=\frac{5\text{ pounds of organic apples}}{\$13.95}$

$\text{Unit rate as the pounds of organic apples per dollar}=\frac{0.3584 \text{ pounds of organic apples}}{\$}$

$\text{Unit rate as the pounds of organic apples per dollar}\approx \frac{0.36 \text{ pounds of organic apples}}{\$}$

Therefore, our another unit rate will be 0.36 pounds per dollar.

Since, we purchase apples or other items according to their price per piece or their price per pound in our daily life, therefore, the unit rate representing cost of per pound apples is typically used.

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3 years ago

Read 2 more answers

Drag the symbol to complete the solution to this inequalities

dezoksy [38]

Answer:

x ≤ 13.2.

Step-by-step explanation:

6 ≥ x/2.2

Multiply both sides by 2.2:

6 * 2.2 ≥ x

x ≤ 13.2.