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Bas_tet [7]
3 years ago
12

(5x10^3)x(9x10^7) can someone please answer this for me.

Mathematics
1 answer:
Anna11 [10]3 years ago
5 0
4.5 times 10^10

1. Multiply 5times ten to the third

2. Multiply 9 times ten raised to the seventh

Then multiply them together
5000 times 90000000
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It’s x+8 at the bottom but if you solve this please give me a step by step so I know how to solve it, thank you!!♥️
OLga [1]

Answer:

x=4.

Step-by-step explanation:

Let's solve your equation step-by-step.

5/15=x/ x+8

Step 1: Cross-multiply.

5/15=x/ x+8

5*(x+8)=x*(15)

5x+40=15x

Step 2: Subtract 15x from both sides.

5x+40−15x=15x−15x

−10x+40=0

Step 3: Subtract 40 from both sides.

−10x+40−40=0−40

−10x=−40

Step 4: Divide both sides by -10.

−10x−10=−40−10

Then your answer will be x=4.

6 0
3 years ago
Sin^-1(1/2)<br> Please help I don't know how to do inverse or arcs<br> Thanks
Anit [1.1K]

Answer:

pi/6

Step-by-step explanation:

An inverse sin is asking which point on the unit circle has that value as its sin

Which in this case, is pi/6

(\frac{\sqrt{3} }{2} ,\frac{1}{2})

Hope this helps

6 0
3 years ago
Read 2 more answers
Area of a triangle with verticals of (-4,1),(-7,5),(0,1)
Lynna [10]

Answer:

8 ft^2

Step-by-step explanation:

I assume that the three points given are the vertices of the triangle. So the three points are:

A (-4,1)

B (-7,5)

C (0,1)

The area of a triangle is given by:

A=\frac{1}{2}bh

where b is the base and h is the height.

Here we can take as follows:

- We can take the base to be the side AC, so that its length is equal to the distance between the two points:

AC=\sqrt{(0-(-4))^2+(1-1)^2}=4

- The height of the triangle is therefore the perpendicular distance between AC and point B. This is equivalent the difference in the x-coordinate between any point on AC and B, so:

h=(5-1)=4 ft

Therefore, the area of the triangle is:

A=\frac{1}{2}(4)(4)=8 ft^2

7 0
3 years ago
Hi can someone please help i only have a few hours to do this please help
Sonja [21]
(4,1) because it is the ordered pair that passes through the line
5 0
3 years ago
Read 2 more answers
Which was a significant provision of the northwest ordinance?
earnstyle [38]

I think the answer is A.

Hope it helps you!

3 0
3 years ago
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