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vichka [17]
3 years ago
6

Can someone help me with this math question i really don’t know how to do it!

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0

Answer:

1260

Step-by-step explanation:

He asked 180 people and 63 said cookies so I think you have to do 63 out of each 180 people so you would do 3600 ÷ 180 = 20, 20 x 63 =1260

Not sure if this is right, hope this helps

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Which set of side lengths can be used to form a right triangle
leva [86]

Answer:

14, 48, 50

Step-by-step explanation:

To check which set of side length can be used to form a right triangle we use pythagorean theorem

c^2 = a^2 + b^2

biggest side (hypotenuse is c^2)

(a) 14, 48, 50

50^2 = 14^2 + 48^2

2500= 196+2304

2500= 2500 that is  true

(b) 30, 40, 60

60^2 = 30^2 + 40^2

3600= 900+ 1600

3600= 2500  that is false

(c) 14, 50, 60

60^2 = 14^2 + 50^2

3600= 196+2500

2500= 2196    that is false

(d)  10, 24,28

28^2 = 10^2 + 24^2

784=100+576

784=676    that is false

4 0
3 years ago
What is s the mean of this set of data 1,5,8,10,11,4,8,9
Anna [14]
The mean is 7.......
4 0
3 years ago
Read 2 more answers
Solve for x: 2 over 3 equals 8 over quantity x plus 6
SashulF [63]

Answer:

x = 40/3

Step-by-step explanation:

2/3 = (8/x) + 6

-6                -6

2/3 - 6 = -16/3

-16/3 = 8/x

*x          *x

(-16/3)x = 8

+16/3     +16/3

x = 40/3

7 0
3 years ago
Read 2 more answers
Write the slope-intercept form of the equation of the line; (-5,-4) and prep. To y equals 5x plus 1
ohaa [14]

Answer:

y=-\frac{1}{5} x-5

Step-by-step explanation:

The given line is defined by:  y=5x+1, where we see that the slope is 5 and the y-intercept 1.

In order to find a line perpendicular to the given one, we need it to have a slope that is the "opposite of the reciprocal" of the given slope.

"Opposite" means it would have its sign inverted (in our case from positive to negative); and "reciprocal means that instead of 5, it would be its reciprocal: \frac{1}{5}.

We can write this new line with such slope, and try to find its y-intercept (b) by using the given condition that requires it to go through the point (-5,-4) on he plane:

y=-\frac{1}{5} x+b

we require then that when x=-5, the value of y=-4.

Therefore: -4=-\frac{1}{5} (-5)+b\\-4=\frac{5}{5} +b\\-4=1+b\\b=-4-1=-5

Then our final answer is that the new line should have the form: y=-\frac{1}{5} x-5

4 0
3 years ago
I NEED HELP PLEASEEEE. Write y=-1(x-3)(x-9) in standard form
Murrr4er [49]

Answer:

Step-by-step explanation:x

+

3

y

=

−

27

4 0
2 years ago
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