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3 years ago

Find the missing measurements

Mathematics

1 answer:

patriot [66]3 years ago

8 0

The answer is x=6.00in

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A circle has an area of 36pi square inches. Find the radius

zmey [24]

circle area = πr² ⇒

$\pi r^2=36 \pi \\ r^2= \frac{36 \pi }{ \pi } \\ r^2=36 \\ r= \sqrt{36} \\ r=6 \ in$

6 0

3 years ago

Multiply. 2 1/7 x 3 2/3 Answer with a mixed number in the simplest form

viva [34]

Answer:

7 6/7

Step-by-step explanation:

$2\frac{1}{7}$ × $3\frac{2}{3}$ =

$\frac{15}{7}$ × $\frac{11}{3}$ =

$\frac{165}{21}$ =

$7\frac{6}{7}$

4 0

2 years ago

Mrs. Donelly drew the triangle above on the chalkboard and asked her students to write down possible side lengths for a, b, and

GenaCL600 [577]

Answer:

a=2;b=4;c=6.

Louis wrote the correct answer.

4 0

2 years ago

X+y+z =4

cestrela7 [59]

Akar akar persamaan kuadrat 2x² - 3x -1 = 0 adalah x1 dan x2. Persamaan kuadrat baru yang akar akarnya satu lebih kecil dari dua kali akar akar persamaan kuadrat di atas adalah ........A.x² - x - 4 = 0B.x² + 5x - 4 = 0C.x² - x + 4 = 0D.x² + x + 4 = 0E.x² - 5x - 4 = 0Jawaban : A
Penyelesaian :
Akar-akar persamaan lama : x1 dan x2

Akar-akar persamaan baru : xA dan xB
 xA = 2x1 - 1
 xB = 2x2 - 1
 xA + xB = (2x1 - 1) + (2x2 - 1)
 = 2 (x1 + x2) - 2
 = 2 () - 2
 = 3 - 2
 xA + xB = 1

 xA . xB = (2x1 - 1) (2x2 - 1)
 = 4 x1.x2 - 2(x1 + x2) + 1
 = 4.(-) - 2() + 1
 = -2 - 3 + 1
 xA . xB = -4

Jadi persamaan kuadrat baru : x² - (xA + xB)x + xA . xB = 0
 x² - x - 4 = 0

4 0

3 years ago

Solve the inequality: x^2(x+2)(x-7) is greater than or equal to 0

const2013 [10]

Answer:

greater

Step-by-step explanation:

6 0

3 years ago