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Elis [28]
3 years ago
12

Divide 59ml into two parts so that one part is 7ml less than five times the other parts​

Mathematics
1 answer:
VashaNatasha [74]3 years ago
7 0

Answer:  The two parts are 48 ml and 11 ml.

Step-by-step explanation:

Let x= The quantity in the other part ( in ml).

Then, the quantity in the first part = 5x-7

Since , Whole part = Sum of both parts

According to the question , we have

59=5x-7+x\\\\

Add 7 on both sides , we get

66=6x

Divide both sides by 6 , we get

11=x

i.e. Value of  x= 11

Therefore , the quantity in the first part = 5(11)-7=48 ml

The quantity in the other part = 11 ml.

Hence, the two parts are 48 ml and 11 ml.

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Harlamova29_29 [7]

You're not allowed to have bacteria in 2020

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3 years ago
20 POINTS<br> HELP ME PLEASE<br> How many solutions does the system have
finlep [7]

Answer:

Two

Step-by-step explanation:

x² + 4 = 4x + 1

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y = 4(1) + 1 = 5

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3 0
3 years ago
No copy and paste answers.
miss Akunina [59]

Answer:

  2.5 miles

Step-by-step explanation:

The relation between time, speed, and distance is ...

  distance = speed × time

We can define t to be Stanley's swimming time. Then t+0.5 was his running time, and 2(t+0.5) was his biking time. His total distance covered is ...

  64 = 9(t +0.5) +16(2(t +0.5)) +2.5(t)

  64 = 43.5t +20.5 . . . . . . . simplify

  43.5 = 43.5t . . . . . . . . . subtract 20.5

  t = 1 . . . . . . . . . . . . . . divide by the coefficient of t

Stanley swam for 1 hour, so the distance he covered while swimming was ...

  (2.5 mi/h)(1 h) = 2.5 mi

Stanley covered 2.5 miles while swimming.

_____

<em>Additional comment</em>

Stanley ran for 1.5 hours, covering 9×1.5 = 13.5 miles. He biked for 3 hours, covering 16×3 = 48 miles. His total distance was 2.5 +13.5 +48 = 64 miles, as given.

6 0
2 years ago
Anna baked 3 batches of cookies with c cookies in each batch. She then ate 8 cookies! How many cookies does Anna have left? Writ
borishaifa [10]

Answer:

3c-8

Step-by-step explanation:

Let

c-------> the number of cookies in each batch

we know that

To find the total number of cookies, multiply the number of batches by the  number of cookies in each batch

so

3c ------> equation that represent the total number of cookies

If Anna ate 8 cookies

then

The expression to know how many cookies Anna has left is equal to

3c-8

8 0
3 years ago
What is 4/7 of 210? please tell me I need to KNOW!!!!!. Please write your answer in simplest form
Anton [14]
It is 120 because you have to divide 210 by 7 which is 30 then multiply by 4 so 30 x 4 = 120.
3 0
4 years ago
Read 2 more answers
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