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2 years ago

Write the following as an algebraic expression: Twice the cube of z

Mathematics

1 answer:

konstantin123 [22]2 years ago

7 0

Answer:

z^3 • z^3 ? or z^3^2 ?

Step-by-step explanation:

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Write as a single power, then<br> evaluate.<br> (3^3)^4

kvasek [131]

Answer:

Step-by-step explanation:

${ ({3}^{3}) }^{4} \\ = {3}^{12} \\ = 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \\ = 531441 \\$

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2 years ago

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The sum of two integers is 66. The larger is 12 less than five times the smaller. Find the two integers

VikaD [51]

Answer:

13 and 53

Step-by-step explanation:

First Integer: x

Larger integer: 5x-12

66=x+(5x-12)

66= x+5x-12

66=6x+12

78=6x

13=x

First Integer: 13

Larger Integer: 13*5-12= 65-12=53

Check Work:

13+53=66

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2 years ago

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Please help asap 25 pts

beks73 [17]

$y=ax^2+bx+c\\\\\text{Axis of symmetry:}\ x=\dfrac{-b}{2a}$

$\text{We have:}\\\\y=4x^2+16x-18\\\\a=4;\ b=16;\ c=-18\\\\x=\dfrac{-16}{2\cdot4}=\dfrac{-16}{8}=-2$

Answer: A.

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2 years ago

Evaluate the expression: v ? w Given the vectors: r = <8, 1, -6>; v = <6, 7, -3>; w = <-7, 5, 2> . If the answ

Snezhnost [94]

Answer:

-13

Step-by-step explanation:

Given are two vectors v and w.

v=(6,7,-3) and

w=(-7,5,2)

We are to find the dot product of v.w

We have

Dot product is obtained by multiplying corresponding pairs and adding them

Here we have

v.w=6(-7)+7(5)-3(2)

=-13

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3 years ago

Find the exact value of the composition. arccos (cos pi/2)

Genrish500 [490]

<span>arccos (cos pi/2)=?
</span>cos pi/2=0, arccos (0)=?, we know that cos pi/2=0, so cos^-1 (o)= Pi/2, but cos^-1 (o)=arccos (0), so arccos (cos pi/2)=Pi/2

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3 years ago