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hjlf
4 years ago
9

The cost of each white tile was £2 the cost of each blue tile was £4 b) work out the ratio of the total cost of the white tiles

to the total cost of the blue tiles

Mathematics
1 answer:
Rus_ich [418]4 years ago
8 0

Answer:

2b) 4/2=2

3) 80/60=8/6

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Paulina gets on an elevator. At the first stop, 4 people get off and 3 get on. At the second stop, 5 people get off and one gets
Hoochie [10]

Answer:

look down + pls give me brainiest

Step-by-step explanation:

Let x = number of people when she got on.

x -4+3 -5+1 -1 = 4

x -6 = 4

Solve for x to get x=10.

So there were 10 people when Paulina got on (including herself).

5 0
4 years ago
Don't go by my answers pls
Illusion [34]

Answer:

19)  ( \frac{-2}{5})^2 = \frac{4}{25}

20) -9^{2} = -81

21)  2^{4} = 16

Step-by-step explanation:

The only wrong ones are

19)  ( \frac{-2}{5})^2 = \frac{4}{25}

20) -9^{2} = -81 ... negative is not inside a parenthesis that's why it is still negative

21) you can add another way is 2^{4} = 16

Everything else looks good.  Great job!

4 0
3 years ago
What is the square root of 121?
salantis [7]

Answer:

11

Step-by-step explanation:

A square root is any number that is multiplies by itself to get a number.

11*11=121

Hope this helps! Plz give brainiest!

4 0
3 years ago
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Which irrational number is represented by point D? A) V175 B) V250 ) 1392 D) 440​
Olenka [21]

Answer:

c that is the answer yes .

6 0
3 years ago
the equation of line AB is y = -1/4 x - 2. write an equation of a line parallel to line AB in slope intercept form that contains
NikAS [45]
The general equation of a straight line is in the form of;
Y=MX + c,
Where m is the gradient and
C the y-intersept.
Parallel line have the same gradient.
From the equation,
Y=-1/4X - 2,
Gradient = - 1/4.

Now assuming that the second line passes through (x,y) and (-3,2).
(Y-2)/(X--3) =-1/4
4(Y-2)=-1(X+3)
4Y-8 = -X-3
4Y = -X -3+8
4Y = -X +5
Y = -1/4X +5/4
8 0
3 years ago
Read 2 more answers
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