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denis-greek [22]
3 years ago
5

Helppp please im confused a bit

Mathematics
1 answer:
fredd [130]3 years ago
4 0

So for this one, all you have to do is plot the points it's giving you :)

Then you connect the lines and you get a shape from A-b-c-d

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4 is a solution of x < -5 true or false -3 is a solution of y > -2 true or false
san4es73 [151]

the first one is true and the second one is false

3 0
3 years ago
A firefighter is standing 33 feet away from a 45 foot tall building. The firefighter looks up and sees that a cat that is stuck
Morgarella [4.7K]

Given :

Distance of firefighter from the building, D = 33 feet.

Height of building, h = 45 feet.

To Find :

The angle of elevation of the cat.

Solution :

Let, angle of elevation is Ф.

We know, tan Ф = h/D

tan Ф = 45/33

Ф = tan⁻¹( 45/33 )

Ф = 53.75°

Therefore, angle of elevation is 53.75° .

Hence, this is the required solution.

5 0
3 years ago
You are told that having a college education increases a person's earnings by 30% over their lifetime. A non-college graduate ea
Leviafan [203]
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8 0
3 years ago
Read 2 more answers
Find the sum of 2x+1 and 5x
aliya0001 [1]

Hey!

This could be rewritten as:

2x + 1 + 5x

We can add like terms together:

7x + 1

5 0
4 years ago
Read 2 more answers
3x = -y + 12<br> 2x + 3y = -6
tangare [24]

Answer:

3x=-y+12

2x+3y=-6

collecting the like terms we have

3x+y=12

2x+3y=-6

to solve this simultaneous equation, we use substitution method

we make y the subject in equation one:

y=12-3x

then we put y=12-3x into 2x-3y=-6 in equation two

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

2x+36-9x=-6

-7x+36=-6

-7x=-6-36

-7x=-42

x=-42÷-7

x=6

then we put x=6 in y=12-3x:

y=12-3x

y=12-3(6)

y=12-18

y=-6

3 0
3 years ago
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