3 years ago

Area and estimate helpp

Mathematics

1 answer:

Vikki [24]3 years ago

5 0

Sorry. It's not clear. Plz tell me if there is 12 3/8in?

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The energy magnitude M of an earthquake can be modeled by the equation

const2013 [10]

Answer: magnitude of an earthquake with an energy release of 7.079 X 10^26 =8

Step-by-step explanation:

Given that the magnitude M of an earthquake can be expressed by the equation

M=(2/3)log E - 9.9

Given that Energy release , E=7.079 X 10^26

Magnotude , M=(2/3)log E - 9.9

=2/3 log7.079 X 10^26 -9.9

2/3 x 2.8499719 -9.9

17.8999813 -9.9

=7.9999

rounded to 8 magnitude

6 0

3 years ago

If 9 frisbees costs £4.50, what does 5 frisbees cost

Mice21 [21]

Answer:

2.50

Step-by-step explanation:

4.50 divided by 9 is .50 5 times .50 is 2.50

6 0

3 years ago

Write if you need to multiply or divide, then solve.

blsea [12.9K]

Answer:

Divide. Answer is 4

Step-by-step explanation:

First, divide.

$235/75=3\frac{1}{3}$

Since you can't have a third of a box, you need the next number up, which is 4.

3 0

3 years ago

Rus_ich [418]

Answer:

225 minutes

.................. ......... .........

8 0

3 years ago

Write the standard equation of a circle with center (0, 3) and radius 7.

lbvjy [14]

Circle equation:
$(x - xo)^{2} + (y - yo)^{2} = {r}^{2}$

Center (0, 3)
Xo = 0
Yo = 3

Radius: 7
r = 7

So:

$(x - 0)^{2} + (y - 3)^{2} = {7}^{2}$
${x}^{2} + (y - 3)^{2} = 49$

Answer: x^2 + (y - 3)^2 = 49

6 0

4 years ago

Read 2 more answers