2 years ago

Please help meeeeeeeee

Mathematics

1 answer:

Novay_Z [31]2 years ago

7 0

Answer: with what

Step-by-step explanation:

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What is the area of a triangle whose vertices are D(3,3) , E(3,−1) , and F(−2,−5)?<br> ?= Unit ^2

Thepotemich [5.8K]

Length of DE = 3-(-1) = 4

SIDE DE is a vertical line

horizontal distance between E and F is 3 - (-2) = 5

So the area of triangle DEF = 0.5 * 4 * 5 = 10 sq units

5 0

2 years ago

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I WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

NemiM [27]

Answer:

$- (x - 1) {}^{2} + 5$

Step-by-step explanation:

F(x) is a transformation from h(x).

So our starting equation is

$- (x - 1) {}^{2} - 1$

F(x) is also facing the same direction h(x) is so we dont have to reflect nothing across the x or y axis.

There isn't a vertical or horizontal stretch, compressions.

There isn't a horizontal shift as the x values stay in the same place.

There is a vertical shift. We can simply move h(x) up 6 units to get to f(x).

So our equation looks like.

$- (x - 1) {}^{2} + 5$

8 0

2 years ago

The temperature dropped from 75 degrees to 50 degrees

enot [183]

Answer:

50%

Step-by-step explanation:

sorry I don't have an explanation...

3 0

1 year ago

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The speed of a stream is 2 mph. A boat travels 4 miles upstream in the same time it takes to travel 8 miles downstream. What is

Amanda [17]

4 = (r-2) t

8 = (r+2) t

4 = (r-2) * [8/(r+2)]

4 = (8r-16)/ (r+2) . . .multiply by 2

4r + 8 = 8r - 16

4r = 24

r = 6

hope this helps

7 0

2 years ago

An English class consists of twenty students, and four are to be chosen to give speeches in a school competition.

NemiM [27]

A)If the order of the speakers is important, we have 20x19x18x17, or 116,280 different options.
b) If order is not important, then we have 20 choose 4, or 4845 different slates. ☺☺☺☺

4 0

2 years ago