1 year ago

Book on Language made From Pi or π

Mathematics

1 answer:

Sever21 [200]1 year ago

4 0

Answer:

Step-by-step explanation:

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Alessandro wrote the quadratic equation –6 = x2 + 4x – 1 in standard form. What is the value of c in his new equation?

Black_prince [1.1K]

Answer:

Step-by-step explanation:

To write it in standard form, we set the equation equal to 0. To do this, we add 6 to each side:

-6+6 = x² + 4x - 1 + 6

0 = x² + 4x + 5

The related function is

y = x² + 4x + 5

The value of c in this function is 5.

7 0

2 years ago

Find the area of the shaded region in square units. Show your reasoning.

motikmotik

Answer:

40 square units

Step-by-step explanation:

First of all, lets say that square has side $l$ , so, the area unit is $l^2$

the diagonal's square is $l\sqrt{2}$

CALCULATION OF TRIANGLES'S AREA (there are 4 triangles)

$A_{triangles}=4*base*heigh*0.5=2*(l\sqrt{2} )(2l\sqrt{2} )=8l^2$

CALCULATION OF MAIN SQUARE AREA

$A_{square}=side*side=(4\sqrt{2} l)(4\sqrt{2} l)=32l^2$

TOTAL AREA

$A_{total}=A_{triangles}+A_{square}=8l^2+32l^2=40l^2$

3 0

2 years ago

What is the next number of the patter. 3, -6, 12, 4, 20, ?

klemol [59]

The answer would be -7

5 0

3 years ago

Please find the value of x please

marin [14]

Answer is 7

Step by step explanation

3x+159=180
3x=180-159=21
x=7

5 0

2 years ago

Plz help i really do need help

Maslowich

Answer:

it just says PDF won't let me download I. sorry

6 0

3 years ago