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olga55 [171]
3 years ago
15

Look at the picture pls pls pls i need help

Mathematics
2 answers:
jasenka [17]3 years ago
7 0
It’s the second answer I’ve did this problem
pickupchik [31]3 years ago
5 0

Answer: 39.5 ft^2

Step-by-step explanation:

1. Find the area of the rectangle using the formula length * width

  • 8 ft * 4 ft = 32 ft

2. Find the area of one of the triangles (the top one) using the formula 1/2(b*h)

  • 2 ft * 3 ft * 0.5 = 3 ft

3. Find the area of the other triangle (the bottom one) using the formula 1/2(b*h)

  • 3 ft * 3 ft * 0.5 = 4.5 ft

4. Add 'em all up to get the total area

  • 32 ft + 3 ft + 4.5 ft = 39.5 ft ^2
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The slope of line m is 7/8. If n⊥m, what is the slope of line n?
Citrus2011 [14]
Hello!

Slopes of perpendicular lines are opposite reciprocals of each other, which the slope of line perpendicular to a line with a slope of 7/8 is -8/7.

Answer:
D. -8/7

Hope this helps!
8 0
3 years ago
I need help on this one aswell if anyone wants to help me.
Lelechka [254]

Answer:

y=63

Step-by-step explanation:

7 0
2 years ago
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What’s the expression of this in simplest form
Ad libitum [116K]

Answer:

3/17

Step-by-step explanation:

3/4 divided by 4  1/4 is = to 3/4 divided by 17/4= 3/4 times 4/17 = 3/17

4 0
2 years ago
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AlexFokin [52]
Oh idk and idc cuz i just really don’t so yea
5 0
3 years ago
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Y = 3/5x + 1, 5y = 3x - 2, 10x - 6y = -4<br> is it perpendicular, parallel, neither
Ber [7]

Answer:

y=\frac{3}{5} x+1 and 5y=3x-2 are parallel.

10x-6y=-4 is neither parallel nor perpendicular.

Step-by-step explanation:

First, you have to simplify each equation in terms of y.

y=\frac{3}{5} x+1\\5y=3x-2\\10x-6y=-4

Your first equation is already in terms of x, so simplify your second equation.

5y=3x-2\\y=\frac{3}{5} x-\frac{2}{5}

Now you can simplify your third equation.

10x-6y=-4\\-6y=-10x-4\\y=\frac{5}{3} x+\frac{2}{3}

These are your three equations in terms of y:

y=\frac{3}{5} x+1\\\\y=\frac{3}{5} x-\frac{2}{5} \\\\y=\frac{5}{3} x+\frac{2}{3}

Now, all you have to know is how to tell using your slope if a line is parallel or perpendicular to another.

Two parallel lines will have the exact same slope.

Two perpendicular lines will have slopes which are opposite reciprocals. For example, a line with a slope of 2 is perpendicular to a line with a slope of -\frac{1}{2}, as they have opposite signs and are reciprocal (2/1 versus 1/2) to each other.

Your first two equations have the same slope and are therefore parallel.

Your third equation is a reciprocal, but it is not opposite, and is therefore not parallel nor perpendicular.

5 0
3 years ago
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