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Vlada [557]
2 years ago
5

Find the area D (1,3) F (-4,-3) E (4, -3)​

Mathematics
1 answer:
tresset_1 [31]2 years ago
7 0

Answer:

Step-by-step explanation:

FE=4+4=8

Altitude=3+3=6

area=1/2×FE×6=1/2×8×6=24 sq. units.

or

area=1/2×

I 1   3|

|-4 -3|

| 4 -3|

|  1  3|

=1/2[(-3+12)+(12+12)+(12+3)]

=1/2[9+24+15]

=1/2[48]

=24 sq. units

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What is the solution to x + 8 = 19​
ANTONII [103]

Answer:

11

Step-by-step explanation:

19-8=11 that's your answer

8 0
2 years ago
Read 2 more answers
Wanda is trying to locate the Fermat point $P$ of $\triangle ABC$, where $A$ is at the origin, $B$ is at $(8,-1)$, and $C$ is at
lidiya [134]

Answer: 8

Step-by-step explanation:

The distance formula is used to find the distances to each of the points:

 d = √((x2-x1)² +(y2-y1)²)

 d = √((4-0)² +(2-0)²) +√((4-8)² +(2-(-1))²) +√((4-5)² +(2-4)²)

 d = √20 +√25 +√5 = 2√5 +5 +√5

 d = 5 +3√5

Comparing to the form

 d = m +n√5

we see that m=5, n=3. The the sum m+n = 5+3 = 8.

(sorry if im wrong)

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6 0
2 years ago
Sally has to spend $700 on expenses each year. if that amount of money is 36.8% of her salary, then how much money does Sally ma
Harman [31]
Should be $1900. 
I divided 36.8% by 18.4 to get a whole number. (2%)
Same goes for $700. Divided that by 18.4. ($38)
This means that $38 is 2% of Sally's yearly salary
2% times 50 is 100% and $38 times 50 is $1900
4 0
2 years ago
On a coordinate plane, what is the distance between the points (-1,5) and (2,5)? Enter the answer in the box.
zlopas [31]

Answer:

The distance between (-1,5) and (2,5) is √9 or 3.

Step-by-step explanation:

Okay first, just for explaining purposes, let's call the ordered pair (-1,5) letter A and ordered pair (2,5) letter B.

Now to the answer. To start you use the distance formula. which is:

d=√( (x2-x1)²+(y2-y1)²)

Then you solve by plugging the ordered pairs into the formula where -1 from point A is X1 and 5 from point A is Y1. 2 from point B is X2 and 5 from point B is Y2.

When you solve it should look like this:

1. d=√( (x2-x1)²+(y2-y1)²)

2. d=√( (2- -1)²+(5-5)²) *2 minus a negative one means plus so we get 3*

3.  d=√( (3)²+(0)²)

4. d=√( 9+0)

5. √9 = 3

7 0
2 years ago
Slove for 1.2 x 3 = V ​
saw5 [17]

Answer:

v=3.6

Step-by-step explanation:

4 0
2 years ago
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