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ohaa [14]
3 years ago
12

x-formula">\left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right]
Mathematics
1 answer:
klemol [59]3 years ago
6 0

QUESTION:

5:8=n:24\left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right]

\frac{5}{8}  =  \frac{n}{24}  \\ 5 \times 24 = 120 \\ 8 \times n = 8n \\ 120 \\ 8n \\  = 15

ANSWER:

<h2>15</h2>

#CarryOnLearning

#keep it up

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9. Jenn went to the farmer's market with $40.00. She bought a 10 lb bag of potatoes for $6.00, a pie for $8.00, 4 qt fresh blueb
Juli2301 [7.4K]

Answer:  the answer is 6.375% because I just took the test

Step-by-step explanation:

5 0
3 years ago
Julia rides her horse 18 km with a constant speed of 6km/hr and another 24 km with a constant speed of 12 km/hr. What is her ave
nlexa [21]

Answer:

8.4 km/hr.

Step-by-step explanation:

We have been given that Julia rides her horse 18 km with a constant speed of 6 km/hr.

Let us find the time taken by Julia to cover a distance of 18 km.

\text{Time}=\frac{\text{Distance}}{\text{Speed}}

\text{Time taken to cover 18 km}=\frac{18\text{ km}}{\frac{6\text{km}}{\text{hour}}}

\text{Time taken to cover 18 km}=\frac{18\text{ km}}{6}\times\frac{\text{hour}}{\text{km}}

\text{Time taken to cover 18 km}=\frac{18}{6}\times\text{hour}

\text{Time taken to cover 18 km}=3\text{ hour}

We are also told that she rides another 24 km with a constant speed of 12 km/hr.

Let us find the time taken by Julia to cover a distance of 24 km.

\text{Time taken to cover 24 km}=\frac{24\text{ km}}{\frac{12\text{km}}{\text{hour}}}

\text{Time taken to cover 24 km}=\frac{24\text{ km}}{12}\times\frac{\text{hour}}{\text{km}}

\text{Time taken to cover 24 km}=\frac{24}{12}\times\text{hour}

\text{Time taken to cover 24 km}=2\text{ hour}

Since we know that \text{Average speed}=\frac{\text{Total distance}}{\text{Total time}}.

Upon substituting our values in above formula we will get,

\text{Julia's average speed}=\frac{18\text{ km}+24\text{ km}+}{3\text{ hour}+2\text{ hour}}

\text{Julia's average speed}=\frac{42\text{ km}}{5\text{ hour}}

\text{Julia's average speed}=\frac{8.4\text{ km}}{\text{ hour}}

Therefore, Julia's average speed is 8.4 km per hour.


5 0
4 years ago
3x/4 + 3 = 20 yyyyyyyyyyyyyyyyyyyyyyyyyyyyy
Yanka [14]
3x/4+3=20
<=> 0.75x +3 =20
<=> 0.75x = 17
<=> x = 68/3
3 0
3 years ago
Trevor spent $27 and now has no money left. He had ____ before his purchase
taurus [48]

Answer:

%27

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
0.3 = 0.5f - 0.7<br><br> Solve for f
tester [92]
First, add the 0.7 over

0.3=0.5f-0.7

1=0.5f

Then divide by 0.5 on both sides

f=2
7 0
4 years ago
Read 2 more answers
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