4 years ago

3 to the power 6 divided 3 to the power -2

1 answer:

8 0

First find out 3 to the power of 6 which is 729 then divide by 3 which is 243
then find out what's the power of -2 to 243 which is 0.00001693508

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The sum of four consecutive even integers is 180. what is the smallest integer?

n200080 [17]

42
let the smallest even number be x, than the four even numbers are x, x+2, x+4, x+6, their sum is 180

x+x+2+x+4+x+6=180
4x+12=180
4x=168
x=42
the smallest even number is 42.

3 0

3 years ago

I’ve got this and one more

Nana76 [90]

Again, a^2+b^2=c^2

c=10

b=9

10 squared is 100

9 squared is 81

100-81=19

The square root of 19, rounded to the nearest hundredth, is 4.36

5 0

4 years ago

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Marta said 50 + one-half m = 120 is an equation, while Maribel argued that it is an expression. Determine who is correct and exp

In-s [12.5K]

Answer:

Marta

Step-by-step explanation:

We are given that

$50+\frac{1}{2}m=120$

We have to find who is correct and explain.

We know that

Equation: It is mathematical sentence that combines numbers and variables which shows the equality of two expressions.

Example:

$x+y=3$

Expression: It is mathematical phrase that combines numbers and variables

using mathematical operators.It can be evaluated but not solved.

Example:

$x+y$

By definitions

$50+\frac{1}{2}m=120$

It is in equation form.

Therefore, Marta is correct.

3 0

3 years ago

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Find the area of the figure.

mariarad [96]

Answer:25

Step-by-step explanation:Count all the wholes then put all the halves and there is 25

5 0

3 years ago

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9 markers cost $11.50. How much would 7 markers cost?

Anna007 [38]

Answer:

7 markers cost $8.95

Step-by-step explanation:

9x = 11.50

x = 11.5/9 = 1.278

Therefore, 7 markers, or 7x = 7(1.278) = 8.946

8 0

3 years ago

Read 2 more answers