MATHEMATICS HIGH SCHOOL

Ratios equivalent to 15:6?

Answers

Answer 1
Answer:

Answer:

5:2

Step-by-step explanation:

divide then both my 3 to get 5 for 15 and 2 for 6

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How many degrees is x?

Answers

Short Answer x = 66
Remark
2x is the supplement of a 48 degree angle.
Supplementary angles add up to 180°

Equation
48 + x + x = 180  Collect like terms

Solution
48 + 2x = 180      Subtract 48 from both sides.
2x = 180 - 48  
2x = 132              Divide by 2
x = 66 <<<<<<<  Answer                  
x+x+48°=180°
2x+48°=180°
x=(180°-48°)/2
=66°

A 250 ml bottle of water treatment liquid will treat up to 625 litres of water. Given that 1 cubic meter=1000 litres, how much treatment liquid is needed to treat a water tank of 224m cubed when full. Please show workings. Many thanks

Answers

224 m cubed corresponds to:
224×1000=224,000 liters of water in your water tank.
Each bottle of liquid can treat 625 liters of water so you need:
224,000/625=358.4 bottles (a little bit less than 358 and a half bottle) corresponding to:
358.4×250=89,600 ml of treatment liquid.
so 224 cubic meters=224 times 1000 liters=224000 leters


so




250 ml=625 leter
divide 250 by 625 to find how many ml per liter
250/625=0.4
therefor
0.4ml=1 leter treted

so


224000 leters
0.4 ml per liter
224000 times 0.4=89600 ml total
89600=89.6 liters


total is 89600 ml or 89.6 liters

PLEZ HURRY I NEED HELPPPPPP
WILL GIVE BRAINLYST

Answers

Answer:

B. $13.75.

Step-by-step explanation:

To find the bill for lunch before the tip was added, we can set up an equation using the given information.

Let's assume the bill for lunch is represented by the variable "x".

We know that Mrs. Chin paid a 20% tip on the bill, which is equivalent to 0.20x.

According to the question, the tip amount is $2.75.

So we can write the equation as:

0.20x = $2.75

To solve for x, we need to isolate it.

Divide both sides of the equation by 0.20:

x = $2.75 / 0.20

Simplifying this gives us:

x = $13.75

Therefore, the bill for lunch before the tip was added is $13.75.

Also the last one is a N
—
Find the measure of each missing angle in each triangle

Answers

x=212, y=88, n=50, L=212 hope this helps

Art mows 1 8 acre in 1 4 hour. How many acres does Art mow per hour?

Answers

Answer:He mows half an acre in one hour

Step-by-step explanation:

Using coal, steam, and _____, the fischer-tropsch procedure converts coal into a liquid fuel.

Answers

Answer:

Using coal, steam, and OXYGEN, the fischer-tropsch procedure converts coal into a liquid fuel.

Step-by-step explanation:

A series of chemical reactions in which hydrogen and carbon monoxide converges into liquid hydrocarbons by using a metal catalyst. This process is called The Fischer-Tropsch process.

Converting Coal into Liquid Fuel is know as Coal liquification.

IN Liquification process Oxygen, heat is used.

Therefore steam is for heat and oxygen to covert coal into liquid fuel.
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