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3 years ago

Is 4 to 7 the same as 7 to 4? Explain why or why not.

Mathematics

2 answers:

mihalych1998 [28]3 years ago

5 0

No because if you take 4÷7 and 7÷4 the answers are different. (if these are ratios)

Julli [10]3 years ago

3 0

Yes because 4 to 7 is the same as 7 x 4 which equals 28. 7 to 4 is the same as 7 x 4 which also equals 28.

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Need help please stressing out over this problem!?!?!

ludmilkaskok [199]

$v = \frac{4}{3} \times \pi \times {r}^{3}$

Finding the radius,

$d = 2r, \: r = \frac{d}{2} = \frac{8}{2} = 4inches$

Plugging in our values,

$v = \frac{4}{3} \times 3.14 \times {4}^{3} = \frac{4}{3} \times 3.14 \times 64 = 267.95 {inches}^{3} \\$

Rounding to the nearest whol number,

$v = 268 {inches}^{3}$

6 0

3 years ago

I need details on how to solve this problem please

Radda [10]

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7 0

3 years ago

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Expand the polynomial (x2 − y2)2 + (2xy)2, then simplify it by combining like terms.

Vlada [557]

2x^2+4xy−2y^2
hope this helps

8 0

3 years ago

You spin the spinner and flip a coin. Find the probability of the compound event.

zimovet [89]

Answer:

the compound probability is 1/8.

Step-by-step explanation:

1/4 for the spinner x 1/2 for the coin

4 0

3 years ago

I don’t really get this one. Thx and have a great day!!

gayaneshka [121]

Answer:

The correct option is C). (9,4)

The coordinates of a point N is (9,4)

Step-by-step explanation:

Theory: If point P(x,y) lies on line segment AB and AP: PB=m:n, then we say P divides line AB internally in ratio of m:n and Point is given by

P= $(\frac{mX2+nX1}{m+n} , \frac{mY2+nY1}{m+n})$

Given that point, M is lying somewhere between point L and point N.

The coordinates of a point L is (-6,14)

The coordinates of a point M is (-3,12)

Also, LM: MN = 1:4

We can write as,

Let,

Point L(-6,14)=(X1, Y1)

Point M(-3,12)=(x,y)

Point N is (X2, Y2)

m=1 and n=4

M(-3,12)= $(\frac{mX2+nX1}{m+n} , \frac{mY2+nY1}{m+n})$

M(-3,12)= $(\frac{1(X2)+4(-6)}{1+4} , \frac{(Y2)+4(14)}{1+4})$

M(-3,12)= $(\frac{(X2)-24}{5} , \frac{1(Y2)+56}{5})$

$(-3)=\frac{(X2)-24}{5}$

(-15)=X2-24

X2=9

$(12)=\frac{(Y2)+56}{5}$

(60)=Y2+56

Y2=4

Thus,

The coordinates of a point N is (9,4)

Result: The correct option is C). (9,4)

3 0

3 years ago