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3 years ago

>>>BIG BRAINS ONLY

Mathematics

2 answers:

Snezhnost [94]3 years ago

7 0

Answer:

Step-by-step explanation:

Elden [556K]3 years ago

5 0

Answer:

I am pretty sure it's 495

Step-by-step explanation:

The context of this problem makes me think that the order in which the sites are in does not matter

if that's the case we can solve this using combinations

the combinations formula is as follows:

ACB= $\frac{A!}{(A-B)!*B!}$

so 12C4= $\frac{12!}{(12-4)!*4!}=495$

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What is the value of the expression below? (4/5+3/5)+3.5x5

lisov135 [29]

Answer:

18.9

Step-by-step explanation:

Start with parentheses.

4/5 + 3/5 = 7/5

Simplify 7/5, 7/5 = 1 2/5

Next numbers.

3.5 x 5 = 17.5

Add.

17.5 + 1 2/5 = 18.9

7 0

2 years ago

Kite WXYZ is graphed on a coordinate plane. What is the approximate perimeter of the kite? Round to the nearest tenth. 10.6 unit

Archy [21]

Answer-

Perimeter of the kite is 16.2 units

Solution-

As WXYZ is a kite, so two disjoint pairs of consecutive sides are congruent, i.e WX=XY and WZ=ZY

So, perimeter of the kite WXYZ is,

$=2(\overline{WX}+\overline{WZ})$

And

$\overline{WX}=\sqrt{(1-3)^2+(1-4)^2}=\sqrt{(-2)^2+(-3)^2}=\sqrt{4+9}=\sqrt{13}$

$\overline{WZ}=\sqrt{(1-3)^2+(1+3)^2}=\sqrt{(-2)^2+(4)^2}=\sqrt{4+16}=\sqrt{20}$

So, perimeter will be,

$P=2(\sqrt{13}+\sqrt{20})=16.15\approx 16.2\ units$

4 0

3 years ago

Read 2 more answers

You plan on buying new flooring for your bedroom. Your bedroom is a rectangle that is 12.7 ft. by 14.25 ft. How many square feet

joja [24]

Answer:

180.975 square feet

Step-by-step explanation:

est: 181 square feet

4 0

3 years ago

describe a situation in which a formula could be used more easily if it were rearranged. Include the formula in your description

pshichka [43]

I need to find the length of something when I am given the volume, width, and height.

v=lwh
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Hope this helps!

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3 years ago

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I need to find the surface area of the square pyramid! (I know I'm stupid lol)

pogonyaev

Answer:

L = 260 cm^2

Step-by-step explanation:

height h = 12 cm

slant height s = 13 cm

side length a = 10 cm

lateral edge length e = 13.928388277184 cm

1/2 side length r = 5 cm

volume V = 400 cm^3

lateral surface area L = 260 cm^2

base surface area B = 100 cm^2

total surface area A = 360 cm^2

Genda: h = height

s = slant height

a = side length

e = lateral edge length

r = a/2

V = volume

L = lateral surface area

B = base surface area

A = total surface area

3 0

3 years ago