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Stells [14]
3 years ago
6

Simplify 2^3 x 2^18 A. 2^54 B. 4^54 C. 4^21 D. 2^21

Mathematics
1 answer:
maksim [4K]3 years ago
4 0
When you multiply powers, you add them. You keep the constant (2) the same.

3+18= 21

2^21 <=== the answer

“D” is the answer.

I hope this helps!
~kaikers
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In the magic square shown, the sums of the numbers in each row, column and diagonal are the same. What are the values of x, y, z
garri49 [273]
v=23, w=19, x=22, y=26, z=20;; to find the answer, set the expressions equal to each other, since the sum of the numbers should be the same.

Use v+w+24=v+43 and solve for w, which would result in w=19.

You can also use x+z+24=z+46 to find x– or x=22.

Plug in the values for x and w, and find y using 25+22+19=y+40 or 66=y+40 and results in y=26.

After plugging in the y value, you can easily find v and z.

v+18+25=66– since 66 is the sum of a full row, and the sums of the numbers in each row, column, and diagonal are the same, so therefore, v+43 should also equal 66. This results in v=23, and, using the same value for the sum of z+21+25, or z+46=66, we find that z=20.

The final answer is v=23, w=19, x=22, y=26, z=20.

Sorry it took so long;; I hope this helps :)
5 0
4 years ago
Maths anwsers for this
Sergio [31]

Answer:

the area would be 15 if you use are equals 1/2 base times height

7 0
3 years ago
A bunny is released from a cage and hops away along a straight path. Each hop covers a horizontal distance of about 1 meter and
Afina-wow [57]

Answer:

D

Step-by-step explanation:

because Y has to be about 0.4 meters high and the X value has to be 1 meter wide

5 0
2 years ago
What is the common difference of the arithmetic sequence?<br>​
Zinaida [17]

Answer:

Step-by-step explanation:

You can look at it and see that 1/3 is added to each term. The common difference is 1/3. If you want to be be more formal,

d = d4 - d3

d = 0 - - 1/3

d = 0 + 1/3

d = 1/3

5 0
4 years ago
What is sin 7x/4 ? I need help on this URGENT Trig
Dahasolnce [82]

If you start from the "standard" sine function, i.e.

y = \sin(x)

You can change its graph in four ways:

Amplitude: you can multiply the whole function by a constant to stretch/squeeze it vertically. The transformation looks like

y = \sin(x) \to y = k\sin(x)

Phase: you can add a constant to the argument translate it horizontally. The transformation looks like

y = \sin(x) \to y = \sin(x+k)

Period: you can multiply the argument by a constant to stretch/squeeze it horizontally. The transformation looks like

y = \sin(x) \to y = \sin(kx)

Shift: you can add a constant to the whole function to translate it vertically. The transformation looks like

y = \sin(x) \to y = \sin(x)+k

In your case, we're changing the period of the function. If k>1 the function is squeezed, so you're squeezing the graph horizontally by a factor of 7/4

4 0
3 years ago
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