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Marizza181 [45]
2 years ago
13

Helpp me i need to get a 67 as my grade because i dont understand

Mathematics
2 answers:
Talja [164]2 years ago
8 0

Answer:

6.5 minutes

Step-by-step explanation:

Divide T (total number of minutes) by M (total number of miles)

Alecsey [184]2 years ago
8 0

Answer:

<h3>6.5</h3>

Step-by-step explanation:

10 miles/65 minutes

65 minutes/10 miles

you need to find minutes per mile

Divide (Total number of Minutes) by (Total number of miles)

65/10=6.5

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Scientist A dissolved 1.0 kilogram of salt in 3.0 liters of water. Scientist B dissolved 20 pounds of salt in 7.0 pints of water
Lilit [14]

scientist A dissolved 1 kg of salt in 3 litres.

scientist B dissolved 20 pounds of slat in 7 pint of water.

we know that 1 pound =0.543 g

20 pounds=9.07 kg.

1 pint=0.5 litres

so 7 pints =3.5 litres

so dissoving 1 kg of salt in 3 litres of water and 9.07 kg in 3.5 litres of water

we know that for concentration kg/l units is used .

for A= 1/3=0.33kg/l

and B=9.07/3.5=2.59 kg/l.

so scientist A has prepared more concentrated solution .

3 0
2 years ago
Read 2 more answers
Help!<br> Change 2/5<br> to a percent.
nalin [4]

Answer:

40%

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
mia hired a moving company, it charged 500$ for service mia give them a 16% tip.How much did she tip the movers,
snow_tiger [21]

Answer: 80 dollars

Step-by-step explanation:

You can find a percentage with one of two ways.

For hundreds like this, oftentimes it's quicker and more simple to think of it as just 100. The proportion from 100 to 500 is just 5.  16% of 100 is 16. So, multiply 16 * 5. You would get 80.

The second method is you can use 0.16 * 500. It's the more conventional method, and you get 80, like the last method.

3 0
3 years ago
Please help!! I don’t understand this
cricket20 [7]
Theorem: pythagorean

Equation:
{90}^{2}  +  {h}^{2}  =  {180}^{2}
Solving:
{h}^{2}  = 24300
h = 155.9
6 0
3 years ago
Read 2 more answers
Akiko is making a pizza. The radius of the pizza is 19 inches. What is the circumference of the pizza (use 3.14 for pi and round
RideAnS [48]

Answer:

≈119.3

Step-by-step explanation:

The area for circumference is as follows:

C = 2\pi r\\or\\C = d\pi

The above equations mean the same thing, because the diameter is just 2 times the radius.

Anyhow, we insert this value into the equation...

C = 2\pi(19)\\C = 38(3.14)\\C = 119.32\\

This rounds to:

≈119.3

5 0
3 years ago
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