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Paraphin [41]
4 years ago
12

Which description best describes the solution to the following system of equations?

Mathematics
1 answer:
sertanlavr [38]4 years ago
4 0
Line y = –x + 4 intersects the line y = 3x + 3., this is the right answer
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A worker's income is increased in the ratio 36:30.find the increase per cent​
myrzilka [38]

9514 1404 393

Answer:

  20%

Step-by-step explanation:

The percentage increase is ...

  percent change = (new/old -1) × 100% = (36/30 -1)×100% = 1/5×100% = 20%

The worker's income increased 20%.

6 0
3 years ago
Write the integer that best represents 23 degrees below zero
padilas [110]
23 below zero means you will actually subtract (remove) 23 from zero.
This can be represented using the following expression: 
0 - 23

To represent this as an integer, this means you will use a negative sign to represent the removal or subtraction of the number followed by the number removed which is 23, therefore:
The integer to represent this is -23.
8 0
3 years ago
Read 2 more answers
The perimeter of one face of a cube is 16cm. Calculate the volume of the cube.
erastova [34]

Answer:

4

Step-by-step explanation:

Perimeter equation: Length + Width * 2

so divide 2 by 16

which gives you 8 and minus that by its half so you get 4

4 0
3 years ago
If cos a = 3/5 in the first quadrant, what does cot a equal
Butoxors [25]
Given that <span>cos a = 3/5 and it is in the first quadrant :
then:
a=arccos 3/5
but
cot </span>θ=1/tan θ
thus to evaluate our vale we shall obtain the value for height since
adjacent=3
hypotenuse=5
thus
using Pythagorean theorem:
c²=a²+b²
hence
5²=3²+b²
b²=25-9=16
b=4
thus
tan θ=opposite/adjacent
tan a=4/3
thus
cot a=1/(4/3)=3/4
7 0
4 years ago
HELPPPPPP MEEEE!! A deep-sea diver found an amazing reef 15 kilometers below sea level. What integer would represent this situat
Leviafan [203]

Answer:

-15

Step-by-step explanation:

Sea-level can be seen as 0 on a number line. The Diver is going below the sea-level, so think of this as him going below the number zero, into the negatives. He is going down 15km, so -15km would represent the integer (whole number) that you're looking for.

3 0
3 years ago
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