I need help it is at 16 points I really do not get this can someone help (picture included)

Answers

Answer 1

Answer: hi dear i will tell the first question is b but i did not know it will be correct or no .

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Emma earns $6 each time she mows the lawn and $8 per hour for babysitting. She is saving up to buy a new pair of jeans that cost $48. If she mows the lawn x times and babysits for y hours, which graph shows the amount of work she needs to complete to earn at least enough to purchase the new jeans?

Answers

To graph this we find the x- and y-intercepts. The x-intercept would be at 8 and the y-intercept would be at 6.

Explanation:
The equation is 6x+8y=48. An x-intercept is the point where the data crosses the x-axis. All points on this line will have a y-coordinate of 0, so we replace y with 0 and solve:
6x+8(0)=48
6x=48.

Divide both sides by 6:
6x/6=48/6
x=8.
We go to 8 on the x-axis and plot the point.

A y-intercept is the point where the data crosses the y-axis. All points on this line will have an x-coordinate of 9, so we replace x with 0 and solve: 6(0)+8y=48
0+8y=48
8y=48.

Divide both sides by 8:
8y/8 = 48/8
y=6.

We go up to 6 on the y-axis and plot the point. We then draw a line through these two points.

Answer:

Refer the figure.

Step-by-step explanation:

Let x be the number of times Emma mows the lawn

and y be the number of hours Emma babysits

Emma earns $6 each time she mows the lawn and $8 per hour for babysitting i.e. $6x+8y$

She is saving up to buy a new pair of jeans that cost $48.

i.e. $6x+8y\geq 48$

The y-intercept of the line is the point when x=0,

$6(0)+8y=48$

$y=(48)/(8)$

$y=6$

y-intercept is at (0,6)

The x-intercept of the line is the point when y=0,

$6x+8(0)=48$

$x=(48)/(6)$

$y=8$

x-intercept is at (8,0).

The shaded area is determined by putting x and y zero.

$6(0)+8(0)\geq 48$

$0\geq 48$

False so the region is away from origin.

The solution is the shade area above the solid line.

Refer the attached figure.

What is the y intercept of 2x - y = -1

Answers

Answer:

Step-by-step explanation:

You have to rewrite this into slope intercept.

Find Y

$2x-y=-1\n\n-y=-1-2x\n\n(-y=-1-2x)/(-1) \ny=1+2x$

Therefore, the y intercept is 1

From 19801980 to 20002000, the annual profit of a company was determined by subtracting from \$625{,}000$625,000 the product of \$25{,}000$25,000 and the number of years either before or after 19901990. Which of the following equations below could be used to determine in which year, xx, the profit was \$550{,}000$550,000?a.550−25∣x−1990∣=625
b.625 - 25 | x - 1990 | = 550625−25∣x−1990∣=550
c.625 +25 | x - 1990 | = 550625+25∣x−1990∣=550
d.625 +25 | x + 1990 | = 550625+25∣x+1990∣=550

Answers

Answer: b) 625 - 25 |x - 1990| = 550

Step-by-step explanation:

According to the question,

The annual profit of a company was determined by subtracting from $625,000 the product of $25,000 and the number of years either before or after 1990.

That is, On x year the total profit is,

P(x) = 625,000 - 25,000 |x - 1990|

But again according to the question,

On x years the profit is $ 550,000

Thus, 625,000 - 25,000 |x - 1990| = 550,000

⇒ 625 - 25 |x - 1990| = 550 ( by dividing both sides by 1000)

Therefore, Option b) is correct.

What is the equation of the line that passes
through the points (3,-1) and (7, 3)?

Answers

Answer: y = 1x + -4

Equation of a straight line:

y = mx + b ------(i)

Step by Step Solution:

Step 1: Calculating Slope (m).

m = y2-y1 /x2-x1

m = 3--1 /7-3

m = 4/4

m = 1

Now putting value of m in equation (i)

y = 1x + b -----(ii)

Step 2: Calculating Y-intercept (b).

Lets choose the first point, (3,-1) for calculating y-intercept:

y = mx + b

-1 = 1(3) + b

-1 = 3 + b

-4 = b

b = -4

Now putting value of b in equation (ii)

y = 1x + -4

ASAP 20 points -0.45x + 0.33 = -0.66 whats x

Answers

Answer:

x=2.2

Step-by-step explanation:

calc

Hola no sé qué dices solo me puse del país Canadá para que me ayuden con un ejercicio en inglés que papá Noel los bendiga

A paint color is made by using 4 drops of red and 5 drops of blue for each 5 gallons of paint . How many gallons of paint are being colored when 45 drops are used ????

Answers

Final answer:

With 4 drops of red and 5 drops of blue used for every 5 gallons of paint, this forms a 9:5 ratio.

With 45 drops, which is 5 times 9, the there would be enough color for 25 gallons of paint.

Explanation:

A ratio states the relative sizes of two or more values. In this case, it is said that for each 5 gallons of paint, there are 4 drops of red and 5 drops of blue, making a total of 9 drops of color for every 5 gallons of paint.

To figure out how many gallons of paint are being colored with 45 drops, you would find out how many 'sets' of 9 drops are in 45, which is 5.

So, there are enough drops to color 25 gallons of paint (5 sets times 5 gallons per set).

Learn more about Ratios here:

brainly.com/question/32531170

#SPJ1

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