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iren2701 [21]
3 years ago
13

The base of each pyramid is an isosceles triangle. Which has the greater surface area?

Mathematics
1 answer:
Semenov [28]3 years ago
8 0
The base is the greatest surface area
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Scrat [10]
She made the first error in Step 2, so the answer is B. -1 times -3 is 3, not -3.
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3 years ago
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Please help me with this question
coldgirl [10]

Answer:

cos(x-30)=1/2

Step-by-step explanation:

We use the following relationship to obtain cos(x)

sin^{2}(x) +cos^{2}(x) +1

From that, we have that cos(x)= sqrt(1-1/4)=sqrt(3) / 4

To obtain the value of cos(x-30), lets remember the following expression:

cos(a-b)=cos(a)*cos(b)+sin(a)*sin(b)

Therefor, we can use that to obtain our desired function cos(x-30)

cos(x)*cos(30)+sin(x)*sin(30)

\frac{\sqrt{3} }{2} * \frac{\sqrt{3} }{2}  +\frac{-1}{2}*\frac{1}{2}

=2/4=1/2

5 0
3 years ago
How do I solve this?
GuDViN [60]
\bf \sqrt{xy}\sqrt{x^3y^5}\implies \sqrt{xy\cdot x^3y^5}\implies \sqrt{x^1x^3y^1y^5}\implies \sqrt{x^{1+3}y^{1+5}}
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\sqrt{x^4y^6}\implies \sqrt{(x^2)^2(y^3)^2}\implies x^2y^3
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3 years ago
Jana divided a sheet of paper into five equal sections and colored two of the sections read what percent of the paper did she co
MArishka [77]
There are 5 sections in total.
She colored 2 sections out of the 5 sections.
As a fraction, that would be 2/5, which is 0.4 as a decimal (2 divided by 5), which is 40%
8 0
3 years ago
1/3 times 3/4 times 1/3 as a fraction so basically what is 0.08333333333 as a fraction
SpyIntel [72]

Answer:

mark me brainliest

Step-by-step explanation:

To write 0.08333333333 as a fraction you have to write 0.08333333333 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.

0.08333333333 = 0.08333333333/1 = 0.8333333333/10 = 8.333333333/100 = 83.33333333/1000 = 833.3333333/10000 = 8333.333333/100000 = 83333.33333/1000000 = 833333.3333/10000000 = 8333333.333/100000000 = 83333333.33/1000000000 = 833333333.3/10000000000 = 8333333333/100000000000

And finally we have:

0.08333333333 as a fraction equals 8333333333/100000000000

7 0
2 years ago
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