Write a description of how a diagram can help you solve 2×40

Answers

Answer 1

Answer: Two multiplied by forty equals eighty. 2x40=80

Answer 2

Answer: Squares maybe, do 40 across 2 down to form a rectangle add them up then it will give you 40*2

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Explain the full answer

Round to the nearest ten and hundred 363

Answers

Nearest tenth it would be 360 because the ones digit (3) is less than 5 so we have to round down.

Nearest hundred would be 400 because the tens and ones digit (63) is closer to 400 than it is to 300. So we would have to round up.

Hope that helps :)

River C is 300 Miles Longer than River D. If the sum of their lengths is 5,570 miles, what is the length of each river?

Answers

$x-\ length\ of\ river\ D\nx+300-\ length\ of\ river\ C\n\n5570=x+x+300\n5570=2x+300\ \ \ | subtract\ 300\n5270=2x\ \ \ | divide\ by\ 2\nx=2635\n\nRiver\ C\ is\ 2935miles\ long\ and\ river\ D\ 2635\ miles\ long.$

How do you make 14/10 into a proper fraction?

Answers

Hello There! :)

$(14)/(10) = 1(2)/(5)$

Two intersecting lines have zero, an infinite number, two, or one of the same points in common?

Answers

If two lines intersect, then there are two possibilities

A) The lines intersect at exactly one point. This happens if the slopes of the two lines are different (the y intercepts may or may not be the same).

B) The lines intersect at infinitely many points. This happens when both slopes are the same and when both y intercepts are the same. In short, the two equations are identical. Often they may be written in different forms. For example, the equation y = 2x+1 and 2y = 4x+2 are the same equation. Divide everything in equation (2) by 2 and you'll get equation (1).

HELP ME PLEASE I BEG YOU!!!

Answers

Slope is negative for each...Remember Y-int and rise/run for slope.
Y=mx+b

Y= -2/3X - 2

Y= -5/2x + 2

5/6h - 7/12 = -3/4h - 13/6

Answers

$(5)/(6) h$ - $(7)/(12)$ = $-(3)/(4) h$ - $(13)/(6)$

First, simplify $(5)/(6) h$ to $(5h)/(6)$ / Your problem should look like: $(5h)/(6)$ - $(7)/(12)$ = $-(3)/(4) h$ - $(13)/(6)$
Second, simplify $(3)/(4) h$ to $(3h)/(4)$ / Your problem should look like: $(5h)/(6)$ - $(7)/(12)$ = $- (3h)/(4)$ - $(13)/(6)$
Third, multiply both sides by 12, which is the LCM of 6 and 4. / Your problem should look like: 10h - 7 = -9h - 26
Fourth, add 9h to both sides. / Your problem should look like: 10h - 7 + 9h = -26
Fifth, simplify 10h - 7 + 9h to 19h - 7 / Your problem should look like: 19h - 7 = -26
Sixth, add 7 to both sides. / Your problem should look like: 19h = -26 + 7
Seventh, simplify -26 + 7 to -19. / Your problem should look like: 19h = -19
Eighth, divide both sides by 19. / Your problem should look like: h = $- (19)/(19)$
Ninth, cancel out 19. / Your problem should look like: h = -1

Answer: h = -1

Answer:

h = -1

Step-by-step explanation:

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