2 years ago

Can someone plz help me with this one problem!!!!

Mathematics

2 answers:

Afina-wow [57]2 years ago

7 0

Answer:

Step-by-step explanation:

alexgriva [62]2 years ago

3 0

So 3 = x so you substitute it in the formula
y = 7(3)
y = 21
In the coordinates given y = 2 so it is incorrect

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Sphinxa [80]

It's the first one :))

3 0

2 years ago

A square plot of land has an area of 484m².What is the perimeter

harina [27]

Answer:

Perimeter: 88m

Step-by-step explanation:

Area of the square plot = (Side) X (Side)

And we are given the area is 484m²,

therefore, (Side) X (Side) = 484m²

or,

(Side)² = 484, taking square root on both the sides,

$\sqrt{(Side)^{2} }$ = $\sqrt{484}$

Side = 22m.

And we know that, perimeter of a square is = 4 X (Side)

Therefore, Perimeter = 4 X 22 = 88m

:-)

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2 years ago

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4 students from a class of 15 are going to be chosen to be on the dance committee. Find the number of different 4-person committ

Andrej [43]

We know that
The formula for combinations is
C=n!/[(n-r)!*r!]
where
n is the total number of objects you choose from
r is the number that you choose to arrange

in this problem
n=15 students
r=4 students
C=15!/[(15-4)!*4!]-----> C=15!/[11!*4!]---> (15*14*13*12*11!)/(11!*4*3*2*1)
C=(15*14*13*12)/(24)----->C=1365

the answer is
1365

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2 years ago

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What are the solutions of the inequality? x/5 _>-2

nata0808 [166]

X is greater than -10

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3 years ago

I just need help with this problem

Oksanka [162]

+1/31 and -1/31
Hope this helps.

7 0

2 years ago