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IrinaVladis [17]
3 years ago
10

Which of the following square pyramids have a volume of 24 mm. choose all that apply

Mathematics
1 answer:
Norma-Jean [14]3 years ago
6 0
The second and last one. 
6 times four = 24 
3 times 8 = 24
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Find the matrix A of the linear transformation T(f(t))= 4f'(t)+6f(t) from P2 T0 P2 with respect to the standard basis of P2 {1,t
dimulka [17.4K]

Answer:  The required matrix is

A=\left[\begin{array}{ccc}6&4&0\\0&6&8\\0&0&6\end{array}\right] .

Step-by-step explanation:  The given linear transformation is

T(f(t)) = 4f'(t) + 6f(t).

We are to find the matrix A of T from P² to P² with respect to the standard basis P² = {1, t, t²}.

We have

T(1)=4\times\dfrac{d}{dt}1+6\times1=0+6=6\times 1+0\times t+0\times t^2,\\\\T(t)=4\times\dfrac{d}{dt}t+6\times t=4+6t=4\times1+6\times t+0\times t^2,\\\\T(t^2)=4\times\dfrac{d}{dt}t^2+6\timest^2=8t+6t^2=0\times 1+8\times t+6\times t^2.

Therefore, the matrix A is given by

A=\left[\begin{array}{ccc}6&4&0\\0&6&8\\0&0&6\end{array}\right] .

Thus, the required matrix is

A=\left[\begin{array}{ccc}6&4&0\\0&6&8\\0&0&6\end{array}\right] .

6 0
3 years ago
Use the formula d = rt to find the value of the missing variable.<br> d = 130 ​feet, t = 26 seconds
swat32
D = rt
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3 years ago
Which of the angles are corresponding angles?
lord [1]

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E and F

Step-by-step explanation:

1 and 5  

3 and 7 are corresponding angles.

A pair of angles on the same side of the transversal, one of which is an interior angle and the other one is an exterior angle but do not form a linear pair is known as corresponding angles

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Emily says she can prove the Pythagorean Theorem using the following diagram. She explains that she can divide the squares on th
lubasha [3.4K]

Answer:

The last bit is correct, a2 + b2 = c2 for all right triangles? You do not divide the measurements you can only add up the squares to find the square of the hypotenuse as the sum, and then square root the totaled squares back to a new number. It does not cover the area like the statement said so only the question is true as Pythagoras theorem can be used to find a missing side or to find the missing hypotenuse.

Step-by-step explanation:

Is this a valid geometrical proof that a2 + b2 = c2 for all right triangles?

Answer yes but only for c2 if we area adding.

This is because if we were looking and missing for a smaller side to the triangle measure and was already given the hypotenuse as one measure, then we can subtract either given alternative side would be; c2 - b2 = a2 to find an alternative side we subtract.

and c2- b2 = a2 works the same as c2 -a2 = b2.

None of the above formula finds the area, for the area we would need to multiply to find the height.

A = 1/2 x a x b

We have a different understanding to area

The area of a triangle is 1/2 given by the equation:

AΔ=(1/2)∗(base)∗(height) which is the smae as A= 1/2 x a x b

Eg)

Given: Measurements of A + B In attachment picture.

A = 3 cm

B = 4 cm

What is the area of the right triangle ABC?

Since the base leg of the given triangle is 4 cm, while the height is 3 cm, this gives:

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So to find area we multiply A by 1/2 and multiply that product by the length of B (base).

5 0
3 years ago
Find the volume of each question in the picture:
Kisachek [45]

Answer:

21.V=1746.1

22.V=1922.7

23.V=54.4

Step-by-step explanation:

V=h*w*l                V=pir^2*h

V=12*8*14 .           V=pi*4^2*8

V=1344 .               V=402.1

V1+V2=1344+402.1=1746.1

V=pi*r^2*h             V=2/3*pi*r^3

V=pi*6^2*13           V=2/3*pi*6^3

V=pi*36*13             V=2/3*pi*216

V=1470.3                V=452.4

V1+V2=1470.3+452.4=1922.7

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V=1/3pi*2^2*6          V=1/3pi*2^2*7

V=8pi                       V=28/3pi

V=25.1 .                    V=29.3

V1+V2=25.1+29.3=54.4

8 0
3 years ago
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