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marysya [2.9K]
3 years ago
5

What is the shape of a cross section formed by a slice that is parallel to the base of a triangular pyramid?

Mathematics
1 answer:
Shalnov [3]3 years ago
8 0
Triangle because is one pyramid
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What are the zeros of the polynomial function f(x) = x3 – 4x2 – 12x
AleksAgata [21]
<span><span>fx</span>=<span><span><span>x3</span>−<span>4<span>x2</span></span></span>−<span>12x</span></span></span>.<span><span><span>‌<span><span>fx/</span>x</span></span>‌</span>=<span><span>‌<span><span><span><span>x3</span>−<span>4<span>x2</span></span></span>−<span>12x/</span></span>x</span></span>‌

</span></span><span>f=<span><span><span>x2</span>−<span>4x</span></span>−<span>12</span></span></span>
4 0
3 years ago
Read 2 more answers
An element with a mass of 810 grams decays by 29.3% per minute. To the nearest minute, how long will it be until there are 10 gr
lakkis [162]

Answer:

13

Step-by-step explanation:

i got it wrong but this was the correct answer

6 0
3 years ago
The perimeter of rectangular park is 450m.the length of the sides is in the ratio 3:2.find the area of the rectangle
matrenka [14]

Answer:  12,150 m²

<u>Step-by-step explanation:</u>

The ratio is 3:2 which means

Length (L) = 3x

Width (w) = 2x

Perimeter (P) = 2L + 2w

              450 = 2(3x) + 2(2x)

              450 = 6x + 4x

              450 = 10x

                45 = x

                                      L = 3x                w = 2x

                                         = 3(45)               = 2(45)

                                         = 135                  = 90

Area (A) = L × w

              = 135 × 90

              = 12,150

6 0
3 years ago
Why do we use a coeficient to remove the propotionality
Salsk061 [2.6K]
Constant is the scale term in proportionality. Suppose one variable is dependent on the other and one variable become twice, other becomes also twice and if one becomes half, other too becomes half., but they are two different variables which are no-where linked (like cost(money) vs quantity). Quantity and cost are two different things but they abridge a mathematical relation of proportionality. So in the mathematics to abridge these two different variables, we need something. Constant serves that purpose.
5 0
3 years ago
Milly wants to buy this seated Elliptical for 169.99 (regularly 250.00)
alisha [4.7K]
169.99 / 250 = 0.68 or 68%

100 - 68 = 32% discount

Not sure what asking with total price, because tax varies by state.
4 0
3 years ago
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