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Yanka [14]
3 years ago
14

HELLPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics
1 answer:
navik [9.2K]3 years ago
5 0

Answer:

more the letter x is often used in algebra to mean a value that is not yet known is is calld a variable or sometimes an unknown. in x+2=7,x is a variable but we can work out its value if we try

You might be interested in
Please help i will give brainliest!!!
Shalnov [3]
D) (-2,3)

-2 is the x-value
3 is the y-value

If you look at the graph on the x-axis (horizontal line) the numbers are increasing and decreasing by 1.
Since the point of intersection (big blue dot) is on the left side of 0, it falls directly at the -2 mark
As for the y-axis (vertical lines) the numbers also increase and decrease by 1. The point of intersection falls above 0 at +3

Therefore your point of intersection is (-2,3)
8 0
3 years ago
Help, please!! What is mA?
Inga [223]

Answer:

38°

Step-by-step explanation:

The measure of required angle can be obtained by using cosine law.

From the given triangle we find that:

a = 5, b = 3, c = 7,

Since,

cos (A) = (b^2 +c^2 - a^2) /2bc

Therefore,

cos (A) = (3^2 + 7^2 - 5^2) /(2*3*7)

cos (A) = (9 + 49 - 25) /(42)

cos (A) = (33) /(42)

cos (A) = 0.785714286

A = arccos(0.785714286)

A = 38.213210675°

A = 38°

4 0
4 years ago
Pls help me answer these questions⬇⬇⬇
nasty-shy [4]

a. 202.5g

Since 45% of the energy drink is sugar

⇒ 45% of the total 450 grams will be made up of sugar

∴ sugar = \frac{45}{100} * 450

             = 202.5g

Thus, the can contains 202.5g of sugar

b. 3.2L

Since Simon used up 20% of the paint, the paint left in the can will now be 80% of the original 4 liters

∴ paint left = \frac{80}{100} * 4

                  = 3.2L

Thus, the can has 3.2 liters of paint left.

c. 1680 acres

Here, 30% of the farmer's crop is and the rest is wheat

⇒ 70% is wheat

Total acres of land planted= 2400

∴ Acres planted with wheat = \frac{70}{100} *2400

                                              = 1680 acres

Thus 1680 acres is planted with wheat

Learn more about percentages here-

brainly.com/question/843074

#SPJ2

7 0
2 years ago
Read 2 more answers
Find the values of x and y<br> (Show your work)
jeka57 [31]
X = 90 degreees, so you take 47 and 90 add them together and you get 137 degrees. you need 180 to make a triangle, so you subtract 137 from 180. the answer for y is 43 degrees. hope that helps

4 0
3 years ago
A hardware store owner has 1,152 screws. If she wants to put them in packages of 32, how many packages can she make?
melomori [17]

Answer:

i think 36

Step-by-step explanation:

1152 / 32= 36

5 0
3 years ago
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