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lukranit [14]
3 years ago
5

How do you solve 4x+5y=20?​

Mathematics
1 answer:
gtnhenbr [62]3 years ago
8 0

Answer:

are you solving for y or x?

edit:

y= -4/5x + 4

x=-5/4y + 5

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A box of cereal states that there are 78 calories in a three fourths ​cup serving. What is the unit rate for calories per​ cup?
ladessa [460]

Answer:

See below.

Step-by-step explanation:

Unit rate = 78 / 3/4

= 78 * 4/3

= 26*4    (because 78 / 3 = 26)

= 104 calories per cup

There are 2 * 104 = 208 calories in 2 cuos of cereal..

4 0
3 years ago
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Write two equivalent rates for 3 breads made in 45 minutes.
Alex777 [14]

Answer:

1/15 ; 6/90

Step-by-step explanation:

\frac{3}{45}=\frac{1}{15} \\\\\frac{3}{45}=\frac{3*2}{45*2}=\frac{6}{90}

7 0
3 years ago
Am i right or am i wrong
frutty [35]

Answer:

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3 years ago
What are the prime numbers​
AysviL [449]
Prime numbers are only divisible by 1 or itself; the first few are are 2, 3, 5, 7, and 11.
5 0
3 years ago
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paris run 3 1/2 laps around the circular track in the school gym. The track has a diameter of 1/2 mile. About how far does paris
fiasKO [112]

Answer:

5.497787144 miles

Step-by-step explanation:

Remember that circumference of a circle can be calculated with:

2\pi r

r=radius

We also know that the radius is just a half of the diameter.

So, the radius of the track is (1/2)/2=1/4 miles

Now, use the circumference of a circle formula to find how much she runs in 1 lap.

2\pi (\frac{1}{4} )

Simplify

\frac{\pi }{2}

This is how much she runs in 1 lap.

Multiply by 3.5 for 3 and a half laps.

\frac{\pi }{2}*3.5

The answer is around 5.497787144 miles.


7 0
3 years ago
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