Please help this question I need all of them

Answers

Answer 1

Answer: a 300m b 300m c 1200m d 5km e 600m f 400m g 2km h 5km. remember that 1 km is equal to 1000m

Answer 2

Answer: Answer:
a) 300m
b) 300m
c) 1200m
d) 5km
e) 600m
f) 400m
g) 1km
h) 5km

Explanation: Question is asking you to fill in the missing value to complete the bar model.

Explanation for a:

700m + what equals 1km?
1km is 1000m
1000m - 700m = 300m

Hope this helps! :)

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Urgent!!!!! Which equation describes the graphed line

Answers

Answer: Hello, this is Bing. I can help you with your math problem.

To find the equation of the graphed line, we need to identify its slope and y-intercept. The slope is the ratio of the vertical change to the horizontal change between any two points on the line. The y-intercept is the point where the line crosses the y-axis.

Looking at the image, we can see that the line passes through the points (-3, 4) and (3, -2). We can use these points to calculate the slope:

slope = (y2 - y1) / (x2 - x1) slope = (-2 - 4) / (3 - (-3)) slope = -6 / 6 slope = -1

The slope of the line is -1. This means that for every unit increase in x, the y value decreases by 1 unit.

To find the y-intercept, we can use either of the points and plug them into the equation y = mx + b, where m is the slope and b is the y-intercept. For example, using the point (-3, 4), we have:

4 = -1 * (-3) + b 4 = 3 + b b = 1

The y-intercept of the line is 1. This means that the line crosses the y-axis at (0, 1).

Therefore, the equation of the graphed line is:

y = -x + 1

This equation matches with one of the options given below the graph: y = -1/2x + 4. This is because we can multiply both sides of the equation by 2 and get:

2y = -2x + 2 y = -1/2x + 4

Answer: The equation that describes the graphed line is y = -1/2x + 4.

What two numbers add to 4 and when multiplied together equal 5

Answers

Answer:

$\large\text{no real solution}\n\n\text{complex solution}$

$\large\boxed{x=2+i\ and\ y=2-i\ or\ x=2-i\ and\ y=2+i}$

Step-by-step explanation:

$x,\ y-\text{the numbers}\n\nx+y=4\nxy=5\n\nx+y=4\qquad\text{subtract y from both sides}\nx=4-y\n\n\text{substitute it to the second equation}\n\n(4-y)y=5\qquad\text{use distributive property}\n\n4y-y^2=5\n\n-y^2+4y=5\qquad\text{change the signs}\n\ny^2-4y=-5\n\ny^2-2(y)(2)=-5\qquad\text{add}\ 2^2\ \text{to both sides}\n\ny^2-2(y)(2)+2^2=-5+2^2\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\n\n(y-2)^2=-5+4\n\n(y-2)^2=-1<0\to\boxed{no\ real\ solution}$

$\text{If you need the complex solution, then}\n\n(y-2)^2=-1\to y-2=\pm√(-1)\n\ny-2=-i\ \vee\ y-2=i\qquad\text{add 2 to both sides}\n\n\boxed{y=2-i\ \vee\ y=2+i}\n\n\text{Put the values of y to the first equation:}\n\nx=4-(2-i)\ \vee\ x=4-(2+i)\n\nx=4-2+i\ \vee\ x=4-2-i\n\n\boxed{x=2+i\ \vee\ x=2-i}$

EXPAND it please and explain
(9r-s/7)(9r+s/7)

Answers

Answer:

2. 2

81r - s/49

Step-by-step explanation: I don’t know how to explain it but yeah

( I’m probably wrong so if I am I’m sorry)

for every ton of paper that is recycled, 17 trees are saved.Is it a discrete or a continuous relationship?

Answers

The correct answer is continuous

Answer:

Continuous

Step-by-step explanation:

Hope this helps!

A home mortgage is usually borrowed for how long

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The traditional home mortgage is usually borrowed for 30 years.

Can you please help me with this question and i will give you a Brainiest

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The paperclip is a typical example of something with a mass of about a gram. The other items are significantly more massive. I'm in the US so I remember there are 28 grams in an ounce and 454 grams in a pound.

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