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elena-s [515]
3 years ago
12

Please help me

Mathematics
1 answer:
love history [14]3 years ago
6 0
6\frac{1}{2}\ mi\ in\ 2\ hour\\\\
16\frac{1}{4} mi\ in\ x\ hour\\\\
proportion:\\
6\frac{1}{2}-2\\
16\frac{1}{4}-x\\\\
cross\ multiplication\\\\
6\frac{1}{2}x=2*16\frac{1}{4}\\\\
5.5x=32.5\ \ \ | divide\ by\ 5.5\\\\
x=5.9hour\\\\
It\ will\ take\ 5.9\ hours
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Three points that are not collinear determine three lines. How many lines are determined by nine points, no three of which are c
Drupady [299]

Answer:

Use the method for solving Bernoulli equations to solve the following differential equation.

StartFraction dy Over dx EndFraction plus StartFraction y Over x minus 9 EndFraction equals 5 (x minus 9 )y Superscript one half

Step-by-step explanation:

Use the method for solving Bernoulli equations to solve the following differential equation.

StartFraction dy Over dx EndFraction plus StartFraction y Over x minus 9 EndFraction equals 5 (x minus 9 )y Superscript one half

4 0
3 years ago
3.2-4d=2.3d+3 i need the answer
borishaifa [10]

Answer:

d=0.031746

Step-by-step explanation:

1. Add 4d to both sides: 3.2=2.3d+3+4d

2. Simplify 2.3d +3+ 4d to 6.3d+3: 3.2=6.3d+3

3. Subtract 3 from both sides: 3.2-3=6.3d

4. Simplify 3.2-3 to 0.2: 0.2-6.3d

5. Divide both sides by 6.3: 0.2/6.3=d

6. Simplify 0.2/6.3 to 0.031746: 0.031746=d

7. Switch sides: d=0.031746

Hope this helped!

7 0
3 years ago
Really need help, 20 points!
babymother [125]
I'm sorry ninth grade slow learner


4 0
3 years ago
Kyle ran the race in three and one hundred three thousandths seconds. Which number shows three and one hundred three thousandths
IRISSAK [1]

Answer:

Ran =3,103

Seconds = 1330

Step-by-step explanation:

I got this answer hope its right hope this helps: )

5 0
3 years ago
I need to know how to describe the parts of the expression (3x-2)
zalisa [80]

Answer:

If the arrow is pointing to the -2, that’s the constant.

If the arrow is pointing at x, that’s the variable.

If the arrow is pointing at 3, that’s the coefficient.

5 0
3 years ago
Read 2 more answers
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