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2 years ago

Evens Only| Pls Help And Explain (NEED HELP ASAP) 100 Points + Brainist

Mathematics

2 answers:

kramer2 years ago

8 0

Which question do you need

Lelechka [254]2 years ago

4 0

171 people in the yoga class

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During a building project, a brick is

taurus [48]

The brick will fall to the ground after 9 secs.

<h3>What are quadratic equations?</h3>

Given the equation for height as a function of time is h(t) = -16t2 + 1,296

The height of the brick on the ground is h(t) = 0. Substitute h(t) = 0 into the equation as shown:

-16t2 + 1,296 = 0

Subtract 1296 from both sides

-16t² + 1,296 - 1296 = 0 - 1296

16t² = 1296

t² = 1296/16

t² = 81

t = 9secs

Hence the brick will fall to the ground after 9 secs.

Learn more on equations here: brainly.com/question/13763238

3 0

2 years ago

Helppp pleaseeeeeeeeeeeeeeeeeeeeeee

Ugo [173]

$y=4x$

because

$\frac{12}{3} =\frac{16}{4} =\frac{20}{5} =\frac{24}{6} =\frac{28}{7} =4$

7 0

2 years ago

Help please I will give brainlist

pogonyaev

Answer:

B y+8 = 2(x-4)

Step-by-step explanation:

perpendicular slope is a negative reciprocal of the x

which is 2x

then use the formula

y-y1 = m(x-x1)

y + 8 = 2(x-4)

7 0

1 year ago

Simplify ; √12 - 7√75

BigorU [14]

$\sqrt{12} = 2 \sqrt{3}$ and $7 \sqrt{75} = 35 \sqrt{3}$ . Thus, $2 \sqrt{3} - 35\sqrt{3} = -33\sqrt{3}$ .

5 0

2 years ago

Polygon ABCD is a rectangle what is the area

Andre45 [30]

Solution:

As, You have Written Polygon ABCD is a rectangle.

It is a Four sided Polygon , having all it's interior angles equal to 90°.As well as Opposite sides are equal(AB=CD,AD=BC), equal diagonals(AC=B D).

Join any of the diagonal of Rectangle either AC or B D.

In Right Δ ABC , Right angled at B

${\text{Area (Right triangle ABC)}} =\frac{1}{2}\times AB \times BC$ ---(1)

In Right Δ ADC , Right angled at D

${\text{Area (Right triangle ABC)}} =\frac{1}{2}\times AD \times DC$ ---(2)

Adding (1) and (2) that is LHS to LHS and RHS to RHS

Ar( Δ ABC) +Ar( Δ ADC) $=\frac{1}{2}\times[ AB \times BC+ AD \times DC]\\\\=\frac{1}{2}[2 \times AB \times BC][\text{As, AB=CD, and BC=AD}]\\\\ = AB \times BC$

So, Area of Rectangle= Product of any two Adjacent Sides

7 0

3 years ago