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photoshop1234 [79]
3 years ago
11

I don't get it ....... ;(((((((((......

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
7 0
If you plug the x and y value's and the last one is the answer.
4(1)+3(4)=4+12=16
7(1)+6(4)=7+24=31 

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I'am thinking of two numbers. The sum of the two numbers is 14. Their product is 45. What are the two numbers I am thinking of?
podryga [215]
The answer is 9 and 5. This is because when you add 9 and 5, you get 14. Also, when you multiply those 2 numbers, the product is 45. Hope this helped!!!!!!!!!!!!!!!!!
5 0
3 years ago
Dave goes into a cafe and buys 2 cups of coffee and a piece of cake.
andriy [413]
Dave is correct you add the price of the 2 cups of coffee and piece of cake together 2.75+2.75+2.90= £8.40 then you subtract that from £10 so £10-£8.40= £1.60 which is more then £1.50
6 0
3 years ago
Solve by substitution
goldenfox [79]
Ok here it is:
4x-5y=40
2x+10y=20
I used the second equation and decided to get x
2x+10y=20
Subtract 10y from both sides.
2x=-10y+20
Divide both sides by 2
x=-5y+10
Put that in for x for first equation
4(-5y+10)-5y=40
Distribute the 4
-20y+40 -5y =40
Combine like terms
-25y+40=40
Subtract 40 from both sides
-25y=0
Divide by -25 on both sides
y=0
Substitute the y in for the 2nd equation
2x+10(0)=20
2x=20
Divide both sides by 2
x=10
So x=10 and y=0
5 0
3 years ago
Find the area of the triangle with a= 18.8, b= 11.6, c= 13.8. Round to the nearest tenth.
Anika [276]

Answer:

not rounded is 44.2, rouned to the nearest tenth is 40

Step-by-step explanation:

3 0
3 years ago
A rope is 225 centimeters long.
mash [69]

Answer:

1.5 meters = 150 centimeters (multiply by 100)

Therefore, you should cut off 225-150=75 centimeters.

5 0
2 years ago
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