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krok68 [10]
3 years ago
10

Just use this for free points.

Mathematics
2 answers:
maw [93]3 years ago
7 0

Answer:

thank youu!!!! :)

Step-by-step explanation:

V125BC [204]3 years ago
6 0

Answer:

thank you my guy

Step-by-step explanation:

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PLS Help Asap! i will award brainliest On her way to her grandmother's house, Jackie traveled three times as many miles by train
nirvana33 [79]

Answer:

24 miles.

Step-by-step explanation:

Jackie traveled four times as many miles by bus as by foot. This means that the number of miles travelled by bus is 4 units, and the number of miles travelled by foot is 1 unit.

Jackie traveled three times as many miles by train as by bus. We know that the number of miles travelled by bus is 4 units, so the number of miles travelled by train is 4\times3=12 units.

Total number of units: 12units+4units+1unit=17units

17units=34

Divide 17:

1 unit=2

The number of miles travelled by train is 12 units:

12units=2\times 12=24

She travelled 24 miles by train.

5 0
3 years ago
Rewrite the fraction in the sentence below as a percentage.
klasskru [66]

Answer:

42%

Step-by-step explanation:

To find the percentage of a fraction, you divide the numerator by the denominator and multiply by 100:

\frac{21}{50}=21/50=0.42*100=42percent

4 0
3 years ago
I need help ❤️ pleaseee
Dafna1 [17]

Answer:

24

Step-by-step explanation:

if 1cubed equals one cubic inch so than u count the LxWxH will get you 4x3x2

7 0
3 years ago
Wday is the area in square inches of the floor in the scale drawing
Mice21 [21]

Answer:

8

Step-by-step explanation:

Since 24 is the original length, you would have to see what number to divide by to get 6.

24 divided by 4 is 6.

Now we know that 1/4 is the scale factor, so apply that to 32.

32 divided by 4 is 6

That's your answer!

Brainliest would v much be appreciated

5 0
3 years ago
Sofia takes 10mg of a medicine whose concentration in blood decreases by a factor of one half every day. Let t be the number of
bazaltina [42]

Answer:  Medication in Lexi's system on day t becomes,

L=10.625(\frac{1}{2})^{t-4}

Step-by-step explanation:

Since we have given that

Initial amount Sofia takes of a medicine = 10 mg

Concentration in blood decreases by a factor of one half every day.

So, it becomes,

S=10(\frac{1}{2})^t\\\\here,\text{ t denotes number of days}

According to question, four days later, it becomes,

S=10(\frac{1}{2})^4\\\\S=\frac{10}{16}\\\\S=0.625\ mg

We have given that Lexi takes 10 mg of the same medicine.

So, it becomes,

10+0.625\\\\10.625\ mg

Hence, Medication in Lexi's system on day t becomes,

L=10.625(\frac{1}{2})^{t-4}

3 0
3 years ago
Read 2 more answers
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