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zheka24 [161]
3 years ago
5

Myra swims 3/5 of a mile farther than Luke. If luke swims 2 4/10 miles. How many miles does Myra swim?

Mathematics
1 answer:
klasskru [66]3 years ago
8 0
Myra swims 3 miles in total
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Write the number 5267 correct to<br> the nearest hundred.
galben [10]

Answer:

5300.

If you're rounding to the nearest hundred you look at the tens place. If its 5 or over you go up. So in this case we'll raise the 2 to a 5 because 6 is above 5.

4 0
2 years ago
Solve for x, y, and z
zloy xaker [14]

Answer:

The solution is x=1,y=2,z=3

Step-by-step explanation:

The given system of equations is ;\

2x−3y+4z=8...(1)

3x+4y−5z=−4...(2)

4x−5y+6z=12...(3)

Make x the subject in equation (1)

x=\frac{8+3y-4z}{2}...(4)

Put equation (4) into equation (2) and (3)

3(\frac{8+3y-4z}{2})+4y-5z=-4

Multiply through by;

3(8+3y-4z)+8y-10z=-8

Expand;

24+9y-12z+8y-10z=-8

Simplify;

17y-22z=-32...(5)

Equation (4) in (3)

4(\frac{8+3y-4z}{2})-5y+6z=12

2(8+3y-4z)-5y+6z=12

16+6y-8z-5y+6z=12

y-2z=-4

y=2z-4...(6)

Put equation (6) into equation (5)

17(2z-4)-22z=-32

34z-68-22z=-32

34z-22z=-32+68

12z=36

z=3

Put z=3 into equation (6)

y=2(3)-4=2

Put y=2 and z=3 into equation 4

x=\frac{8+3(2)-4(3)}{2}=1

The solution is x=1,y=2,z=3

3 0
2 years ago
Simon goes into a cafe and buys 2 cups of coffee and a piece of cake.
Art [367]

Answer:

1.59 change

Step-by-step explanation:

2.78*2=5.56

5.56+2.85=8.41

10.00-8.41=1.59

Pls Mark As Brainliest

6 0
3 years ago
Read 2 more answers
Y varies inversely with x. If y = -8 when x = -7, find the y when x=-4.
lora16 [44]

Answer:

y =-14

Step-by-step explanation:

Inverse variation is of the form

xy = k where k is a constant

(-7)(-8) = k

56 = k

The equation is

xy = 56

Let x = -4

(-4)y = 56

y = 56/-4

y =-14

8 0
2 years ago
What is -12x-5(-8)=40​
ololo11 [35]

Answer: 0

Step-by-step explanation:

4 0
2 years ago
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