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Lerok [7]
3 years ago
14

What is the area of this figure? Enter your answer in the box.

Mathematics
1 answer:
MArishka [77]3 years ago
5 0
The area of this figure is, the area of this figure.

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Please help... Solve using the quadratic formula x^2 - 6x - 40=0
Tasya [4]
The answer is

X=10 or X= -4
6 0
3 years ago
Find the slope between (-4,1) and (-2,-2)
alukav5142 [94]

Answer:

-1.5

Step-by-step explanation:

y=-1.5x-5

7 0
3 years ago
Can someone please help me.
Art [367]

I will give you everything I can do:

11)

Lets say Car A travels at x mph. That means Car B travels at x+2 mph.

Both of them are traveling towards each others, so we can say the total speed is 2x+2.

Now i takes 3 hrs and we know the distance.

Since R*T=D

Then 3(2x+2)=270

So 2x+2=90

2x=88

x=44

12)

To find perpendicular we want to find the opposite reciprocal of the original slope. Therefore the slope is 3/2.

Now we must find the equation of the line with the given variable.

First find b.

5=3/2*4+b

b = -1

So the equation of this line is:

y=3/2x-1

13) All work will be shown below.

6-3(-2-4x)=2(3(x-4)+7)

6+6+12x=2(3x-12+7)

12+12x=2(3x-5)

12+12x=6x-10

6x=-2

x = -1/3

14)

First we must find the amount each train traveled.

The speed of F train(Freight train)=x

The speed of P train(passenger train)=x+6

Their combined speed is 2x+6

It takes 2 hrs to cover 100 miles

So 2(2x+6)=100

2x+6=50

2x=44

x=22

So the freight train covered 44 miles and the passenger train covered 56 miles.

To find average speed you must do Total Distance/Total Time.

44/2 and 56/2

Which are 22 and 28.

The average speed of F train is 22 mph and average speed of P train is 28 mph.

15) Again opposite reciprocal.

3/5 -> -5/3

Work:

-4=-3*-5/3+b

-4=5+b

b=-9

y = -5/3x-9

16)

F=kx-kx0

First kx0 = 0

So F=kx

So x=F/k

4 0
3 years ago
If the 16 boys in the classroom is 40% what is the percent of girls
notsponge [240]

Answer:

60%

Because the reaming percent has to add up to 100. 60 plus 40 is 100

3 0
2 years ago
Read 2 more answers
I WILL MARK BRAINLIEST!
ipn [44]
The answer is 4x2-5x;Area= 114 in<span>2 i think</span>
3 0
3 years ago
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