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Sunny_sXe [5.5K]
2 years ago
14

Sub to YoungEid on YT

Mathematics
2 answers:
Delvig [45]2 years ago
4 0

Answer:

points

Step-by-step explanation:

yay thanks

i will sub

charle [14.2K]2 years ago
3 0

Answer:

thx for points lol

Step-by-step explanation:

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If 1l of milk cost 70p find the cost of 100ml and 400ml.
lesya [120]
Since 1000ml is 1L, 100 ml is 1/10L.

So 100ml costs 7p 
And 400ml costs 28p.
3 0
3 years ago
Read 2 more answers
Based on a sample survey, a principal claims that 7 out of 10 students like math. If there are 1300 students, how many would you
horsena [70]

Answer:

390

Step-by-step explanation:

find the fraction of those that don't like math

10/10 - 7/10= 3/10

then do 3/10 x 1300 to get 390

5 0
3 years ago
2 5/8oz if you use a thrid of it how much is she gone have left over
alex41 [277]
Lets convert the fraction first to ease the calculations:
2 5/8 = 16/8 + 5/8 = 21/8
so now we can operate easily, to calculate we need to multiply 21/8 by 2/3 that is because, if 1/3 is used then 2/3 are left over (1/3 + 2/3 = 1, the total), so we have:
(2/3)(21/8) = (2*21)/(3*8)
= 42/24
= 21/12
= 7/4
so 7/4 are left over
4 0
3 years ago
Find an integer value of b that makes x^2 + bx - 81 factorable.
Kaylis [27]

Answer:

b = 80

Step-by-step explanation:

Given that,

x² + bx - 81

To find,

value of b

What is factorable?

A polynomial equation with highest degree 2 is if factorable when

  1. we can find two terms which when multiples = -81x²,   <em> ( x² * - 81 = -81x² ) </em>
  2. and when add = bx

possible factors:

  1. -1x * 81x = -81x²   (Accepted)
  2. 1x * -81x= -81x²    (rejected)
  3. 9x * -9x = -81x²    (rejected)
  4. -9x * 9x = -81x²    (rejected)

Only when -1x , 81x is added -1x + 81x = 80x

so, bx = 80x

     b   = 80

<h3>The equation is x² + 80x - 81</h3>

5 0
3 years ago
I need help please?!!!
Illusion [34]

Answer:

True

Step-by-step explanation:

5 0
3 years ago
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