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goblinko [34]
3 years ago
12

PLEASE HELP!!!!! WILL GIVE BRAINLYIST!!!!!! Explain the three different cross sections that result from cutting a rectangular py

ramid.
Mathematics
2 answers:
Brums [2.3K]3 years ago
8 0

Answer:Now u can give brainliest

Step-by-step explanation:

alexira [117]3 years ago
7 0
1. a rectangle by horizontal bisection, 2. a trangle by vertical bisection, 3. a trapezoidal by diagonal bisection.
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Write a definite integral that represents the area of the region. (Do not evaluate the integral.)
joja [24]

Answer:

\int_{-1}^{1}7(x^{3}-x)\:dx

Step-by-step explanation:

1)  The other curve is y=0 then the common points of both curves are x-intercepts, the roots of y=7(x^{3}-x)

y=7(x^{3}-x)\Rightarrow 7(x^3-x)=0 \Rightarrow 7(x^{3}-x)=7x(x-1)(x-1)\Rightarrow \\S=\left ( 0,0 \right ),\left ( -1,0 \right ),\left ( 1,0 \right )

2). Then those intersection points are the upper and the lower limits. Plugging in to this formula for they belong to the interval [-1,1]:

\int_{a}^{b}|f(x)-g(x)dx

\int_{a}^{b}|f(x)-g(x)dx \Rightarrow \int_{-1}^{1}|7(x^{3}-x)-0|dx \Rightarrow \int_{-1}^{1}7(x^{3}-x)\:dx

 

8 0
3 years ago
The value of the exponent in (22)−5<br><br>is​
lyudmila [28]

Answer:

Let's calculate:

22-5

• Remove minus in the exponent and invert the base:

= (1/22)5

• Expand the multiplication:

= (1/22) * (1/22) * (1/22) * (1/22) * (1/22)

• Find your result:

= 1/5153632 ≈ 0.000000194038

3 0
3 years ago
ASAP plz Also show ur work if u can
guajiro [1.7K]
All the answers are gotten using the lcm method
1.8/11
2.3/23
3.1/2
4.13/15
5.8/11
6.49/30
7.22/3
8.19/60

4 0
3 years ago
If θ is an angle in standard position that passes through (-3, 4), find sin2θ.
julia-pushkina [17]

Answer:

Correct answer: sin 2Θ = - 24/25

Step-by-step explanation:

If under the standard position you think that the first arm (side) belongs to the positive direction of the x axis and the second one passes through a given point then it is:

if we form a right triangle with sides 3 and 4 then the hypotenuse is 5.

sin Θ = 4/5 and cos Θ = - 3/5

we know that the formula for double the value of the angle is:

sin 2Θ = 2 sinΘ cosΘ = 2 · 4/5 · ( - 3/5) = - 24/25

sin 2Θ = - 24/25

God is with you!!!

8 0
3 years ago
Last year during November there was a heatwave. The average daily temperature went from 57°F to 76°F. What was the percent incre
lesya692 [45]

Answer:

hhhh

Step-by-step explanation:

hhhhhh

8 0
2 years ago
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