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Tems11 [23]
3 years ago
11

Solve for x A) 3 B) 11 C) 6 D) 7

Mathematics
1 answer:
hoa [83]3 years ago
4 0
The answer for this is d
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Simplify the expression 1,000,000 × 0.00062 in scientific notation and express your answer in scientific notation.
Morgarella [4.7K]
The answer is 620. you can use a calculator for these types of questions

3 0
3 years ago
A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m
Mashcka [7]

Answer:

the answer is D.

Step-by-step explanation:

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3 0
4 years ago
Read 2 more answers
7. A kite in the shape of a square with a diagonal 32 cm and an isosceles triangle of base 8 cm and sides 6 cm each is to be mad
grin007 [14]

Answer:

Step-by-step explanation:

diagonal  = 32 cm

Area of square = \dfrac{d^{2}}{2}

                        =\dfrac{32*32}{2}\\\\=512 \ cm^{2}

Diagonal separate the square into two equal triangles.

Area of upper triangle that is shaded black = area of lower triangle = 512/2

= 256 cm²

Isosceles triangle:

a = 6 cm  ; b = 6 cm c = 8cm

s = \dfrac{a+b+c}{2}\\\\=\dfrac{6+6+8}{2}\\\\=\dfrac{20}{2}\\\\=10\\\\s-a = 10 - 6 = 4 \ cm\\\\s-b = 10-6 = 4 \ cm\\\\c - c = 10 - 8 = 2 \ cm\\\\Area = \sqrt{s*(s-a)(s-b)(s-c)}\\\\=\sqrt{10*4*4*2}\\\\=\sqrt{2 * 2 * 4 * 4 * 5}\\\\=4*2\sqrt{5}\\\\=8\sqrt{5}\\\\=8*2.24\\\\=17.92 \ cm^{2}

Area of black shade paper = 256 + 17.92 =  273.92 cm²

Area of white shade paper = 256 cm²

Area of the isosceles triangle = s(s-a)(s-b)(s-c)

7 0
3 years ago
Determine the numerical value of x ​
goldfiish [28.3K]

Answer:

x = 10

Step-by-step explanation:

OA = OD ( both radii of the circle )

OD = OB + BD = x + 16

OB is at right angles to OB ( line from centre to midpoint of chord is right )

Using Pythagoras' identity in right triangle ABO

OA² = OB² + AB² , that is

(x + 16)² = x² + 24²

x² + 32x + 256 = x² + 576 ( subtract x² from both sides )

32x + 256 = 576 ( subtract 256 from both sides )

32x = 320 ( divide both sides by 32 )

x = 10

8 0
3 years ago
Find the x- and y- intercept of the line. x+4y=36 Answer choices are: A. x-intercept is 4; y-intercept is 1/ B. x-intercept is 1
agasfer [191]
It would be D. x-intercept = 36; y-intercept = 9

if you know that the x-intercept is when the line crosses the x-axis and the same way with the y-intercept, all you would need to do is graph it, (or use desmos.com) and find where the points me the x and y axis.


6 0
3 years ago
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