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Wittaler [7]
3 years ago
8

Whoever gets this right gets brainlyess answer and it's worth 10 points :)

Mathematics
1 answer:
Artist 52 [7]3 years ago
8 0
Area of ∆=1/2bh
80yd^2=1/2(b)(10yd)
80yd^2=5yd(b)
80yd^2÷5yd=b
16yd=b
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A map has the scale 1/3inch = 8 miles. If city a and city b are 12 inches apart on my map then how far apart are the city’s in r
Feliz [49]
The equation would be
12 ÷ 1/3 =
12 x 3/1 =
12 x 3 =

36 miles
6 0
2 years ago
Which multiplication expression is equivalent to x+8/x2 ÷ 2x+16/2x2
Pavlova-9 [17]

Answer:

I hope it will help you...

5 0
3 years ago
Read 2 more answers
PLZ HELP!
Tanya [424]

Answer:

B. 60cm^3

Step-by-step explanation:

The volume of a right triangular prism is

V = BH  where B is the area of the triangle and H is height

B = 1/2 bh  where b =5 and h =8

B = 1/2 *40 = 20

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We need to be careful to do the area of the triangle first

8 0
4 years ago
Graphing help please - fairly simple, image attached.
alisha [4.7K]
To figure out if a graph is a function, you can use this thing called the vertical line test. in case you're unfamiliar, it's basically where you just imagine a vertical line going from left to right on the graph. if it crosses the function in two places, it's incorrect. i suggest looking up a video that shows you a visual representation of the vertical line test if you've never heard of it; it's fairly simple.

A is a function because the graph passes the vertical line test. if you imagine a vertical line and drag it from left to right across the graph, the linear function graphed in choice A does not have two x values at the same spot.

B is not a function. it fails the vertical line test almost immediately: the sideways "U" shapes makes it intersect the vertical line twice in one place.

C is a function. it passes the vertical line test, even though it looks a little strange. at no point does it intersect the vertical line twice.

D is a function. again, it doesn't intersect the vertical line twice.

now, to determine if a function is a one-to-one function, it must also pass the horizontal line test. this means that it doesn't intersect at two points horizontally as well. test that out on choices A, C, and D.

A is a one-to-one function because it doesn't cross in the same place horizontally, either. C and D are one-to-one functions as well.
5 0
3 years ago
Please please please someone help me
Zolol [24]

Answer:

15

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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