[Geometry] help pls!!!!

is the answer 70?

Answers

Answer 1

Answer: notice the picture below

in a rectangle, all angles are 90 degrees and the diagonals are equal

meaning the diagonals bisect each other, they cut in equal halves

so. those two sides are equal, and thus they make up an isosceles triangle
on the sides

if those two sides are equal, the angles they make on the other side are equal

so if angle D is 55 degrees, angle A is 55 degrees
and the missing angle is 180 - (55 + 55) or 70
that's just the left-side

now, angle "x" on the right side, is a vertical angle of that angle on the left,
and vertical angles are equal, thus x = 70

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Round the mixed number to the nearest whole or half.

11 5/6

Answers

nearest to 12 because it can't be

Answer:

12. Hope this helps!

Step-by-step explanation:

HELP!!! Using a directrix of y = 2 and a focus of (3, −4), what quadratic function is created?

Answers

Answer:

The required quadratic function is $y=-(1)/(12)(x-3)^2-1$ .

Step-by-step explanation:

The standard form of the parabola is

$(x-h)^2=4p(y-k)$

Where the focus is (h, k + p) and the directrix is y = k - p.

The directrix of y = 2 and a focus of (3, −4).

$(h,k+p)=(3,-4)$

On comparing both sides we get

$h=3$

$k+p=-4$ ...... (1)

$y=k-p$

$k-p=2$ ...... (2)

Add equation (1) and (2).

$2k=-2$

$k=-1$

Substitute k=-1 in equation (1).

$(-1)+p=-4$

$p=-3$

Therefore the equation of parabola is

$(x-3)^2=4(-3)(y-(-1))$

$(x-3)^2=-12(y+1)$

It can be rewritten as

$y=-(1)/(12)(x-3)^2-1$

Therefore the required quadratic function is $y=-(1)/(12)(x-3)^2-1$ .

parabola with vertx (3,-1) that opens down

4(-3)(y+1)=(x-3)^2
y+1=(-1/12)(x-3)^2
y=(-1/12)(x-3)^2-1

The perimeter of a rectangular field is 354 yards. If the length of the field is 95 yards, what is its width?

Answers

The width of this problem is 449

mr schiffer planted 9 fruit trees in his orchard. of the , 1/3 are grapefruit trees. how many trees are garapefruit trees

Answers

if 1/3th of the trees are grapefruit trees and he planted 9 trees there is 3 grapefruit trees hoped this help

the answer is 1/3×9=3
so 3 are grapefruit trees

Marcus has 731 books he puts about the same number of books each of nine shelves in a bookcase about how many books are on each shelf

Answers

Answer:

81 books

Step-by-step explanation:

If you divide 731 into 9 you'll get 81.2

so that means you have 2 books left over that wont be on the shelf

so you'll have to round to 81

PLEASE ASAP.. what is the volume.? Show your work

Answers

Step-by-step explanation:

The length, breadth and height of the solid is not equal, so it's a cuboid

Volume of a cuboid is calculated by productoflength,breadthandheighti.e. V = lbh $.$

Puttingthevaluesintheformula,

=> Volume = 1m * 2m * 2m

=> Volume = 4m3 (Option 3)

Volumeofthecuboidis4m³(ans)

[Geometry] help pls!!!!is the answer 70?

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[Geometry] help pls!!!!

is the answer 70?