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crimeas [40]
2 years ago
14

2. Oranges cost $x per kilogram and apples cost $(x - 0.6) per kilogram. The total cost of 2 kg of oranges

Mathematics
1 answer:
Veseljchak [2.6K]2 years ago
5 0
The value of x is 5.4 ( find the description in the picture)
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Paola burns 30 calories walking 10 minutes. At this rate, how many calories will she burn in
Dominik [7]

Answer:

45

Step-by-step explanation:

Divide 30 by 10. You get 3. Take three and multiply it by 15. Your answer is 45.

3 0
3 years ago
Which postulate can be used to prove that two triangles are congruent
user100 [1]
Side-Side-Side Theorem, Side-Angle-Side, Angle-Angle-Side, Angle-Side-Angle, and Hypotenuse-Leg for right triangles. 

For example, for Side-Side-Side, if you prove all 3 sides of the triangle are congruent, then the triangle is congruent. 
3 0
3 years ago
I have to explained it in words pls help
lys-0071 [83]

9514 1404 393

Answer:

  • slope: cost per mile
  • y-intercept: fixed base cost

Step-by-step explanation:

The y-intercept is the value of y when x=0. The problem statement tells you that x is the number of miles driven, and y is the rental cost.

When the number of miles driven is zero, the rental cost is ...

  y = 2.25×0 +70

  y = 70

The cost of renting the truck is $70 when it isn't driven anywhere. The y-intercept ($70) is the basic, fixed cost of truck rental.

__

If x=1 (1 mile driven), then 2.25 is added to the cost of the truck rental. The slope (2.25) is the cost per mile driven. (That mileage cost is added to the basic rental cost.)

6 0
2 years ago
F(x) = (x + 2) (x - 7)3
mote1985 [20]

Answer:

y=3x^2 -15x-42

Step-by-step explanation:

8 0
3 years ago
The volume of a cone is 200.96 cubic yards. What is the radius of the cone if the height is 12 yd? Use pi =3.14 and round your a
Naddika [18.5K]

Answer:

If I'm doing the problem correctly, the radius should be 4 yards.

Step-by-step explanation:

You work the problem backwards. Multiply 200.96 by 3, since it's a cone, so you're working with the volume of what a cylinder would be with the same dimensions. Then divide by the height (12 yd), then divide by pi. You should end up with 16, and 4 squared equals 16. Work the problem forwards from there to check.

4 squared is 16. 16 times 3.14 is 50.24. 50.24 times 12 is 602.88. 602.88 divided by 3 is 200.96.

8 0
2 years ago
Read 2 more answers
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