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3 years ago

Pls solve this for me

Mathematics

1 answer:

Georgia [21]3 years ago

6 0

Answer: 253.5

Step-by-step explanation:

If your equation is 6s^2, all your doing is:

6x6.5^2,

or the long-form

(6.5*6.5) + (6.5*6.5) + (6.5*6.5) + (6.5*6.5) + (6.5*6.5) + (6.5*6.5) = 253.5

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Quadrilateral WXYZ has vertices W(-4,-3), X(0,-1). Y(6,-2), Z(2,-4). Using properties of diagonals prove that WXYZ is a parallel

yanalaym [24]

Answer:

The diagonals are bisectors of each other and meet at (1, -5/2) but are not congruent, so WXYZ is a parallelogram and not a rectangle

Step-by-step explanation:

for parallelograms.

the diagonals intersect at the midpoints

W X

Z Y

Diagonals are WY and XZ

WY : (-4, -3) to (6, -2)

midpoint is [(-4 + 6)/2 , (-3 - 2)/2 ] = ( 1, -5/2 )

XZ : (0, -1) to (2, -4)

midpoint is [ (0 + 2)/2 , (-1 + -4)/2 ] = (1, -5/2)

The diagonals are bisectors of eachother.

Next show that these diagonals are not congruent.

length of WY = root ( (-4 - 6)^2 + (-3 - (-2))^2 )

WY = root ( 100 + 1)

WY = root(101)

length of XZ = root ( (0 - 2)^2 + ( -1 - -4)^2 )

XZ = root (4 + 9) = root (13)

we see that WY is not equal to XZ

...

so .. quadrilateral WXYZ is a parallelogram but not a rectangle.

8 0

3 years ago

Which is closest to the volume of the rectangular solid below?

Vlada [557]

Well I think it’s 6.98

6 0

3 years ago

Solve for a -4+2(3a-5)=(1-1a)

Kobotan [32]

Distribute the two to each of the values in the parentheses.
-4 +6a-10= 1-1a

Then move like terms to the same side to simplify.
6a+1a=1+10+4
7a=15
a=15/7

6 0

3 years ago

A yoga studio offered a special for high school students where new students could join for half off of the monthly fee (includes

Eva8 [605]

Given:

the discounted price was offered by the yoga studio at 50% off the regular price 'r' (monthly fee).
the one-time processing fee is $8.25
10 students took this offer and the yoga studio collected $392.50

To Find:

The regular price of the monthly fee 'r'

Solution:

The equation can be framed as

$(r-\frac{50}{100}.r)+8.25=39.25\\\frac{50}{100}.r+8.25=39.25\\\frac{r}{2}+8.25=39.25\\\frac{r}{2}=31\\r=(31)(2)=62$

And, the regular price of the monthly fee is $62.

Calculation:

We know that 10 students took the offer and the yoga studio collected $392.50. This means, using the Unitary Method, the studio has collected $(392.50/10) = $39.25 per student.

Now, if r denotes the regular price of the monthly fee, the offer runs a 50% discount on r.

So, the discounted price should be $(r - 50% of r) i.e., $r-\frac{50}{100}.r$

We must add to this the one time processing fee of $8.25

Therefore, the total price paid by one student would be

$(r-\frac{50}{100}.r)+8.25$

This must be equal to $39.25 as we have calculated this to be the amount collected by the yoga studio per person.

So, the equation can be framed as

$(r-\frac{50}{100}.r)+8.25=39.25\\\frac{50}{100}.r+8.25=39.25\\\frac{r}{2}+8.25=39.25\\\frac{r}{2}=31\\r=(31)(2)=62$

Thus, the regular price of the monthly fee is $62.

5 0

3 years ago

I need help urgently please!!!!! Will absolutely mark the brainiest whoever answers this correctly!

yulyashka [42]

If i plug it into my calculator i get 9914 as my answer,

Explanation:
but if that’s not the right answer lmk and i can solve it a different way!

5 0

3 years ago