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3 years ago

How many times greater is 130,000,000 than 64,800,000?

Mathematics

1 answer:

insens350 [35]3 years ago

4 0

$\frac{130,000,000}{64,800,000} = \frac{1,300}{648} =\boxed {2.00617283951}$

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If you change the sign of a point's x-coordinate,how does the location of the point change?

yuradex [85]

If you change the point's x-coordinate, the point will move either to the left or the right, depending on if the number you change is negative or positive.

4 0

3 years ago

1. (k+7)² =289 2. (2s-1)² =225 3. (x-4)² =169 please help me answer these :)

professor190 [17]

$(k+7)^2 =289\\
|k+7|=17\\
k+7=17\vee k+7=-17\\
k=10 \vee k=-24$

$(2s-1)^2 =225\\
|2s-1|=15\\
2s-1=15\vee 2s-1=-15\\
2s=16 \vee 2s=-14\\
s=8 \vee s=-7$

$(x-4)^2 =169\\
|x-4|=13\\
x-4=13 \vee x-4=-13\\
x=17 \vee x=-9$

6 0

3 years ago

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Plsss help I’ll give u brainlest and 5 or 10 points pls

Svetach [21]

Answer:

Step-by-step explanation:

That is not enough,that is why it is a no

PLs mark brainly

Hope this helps:)

8 0

2 years ago

I NEED HELP WITH NUMBER 4

weeeeeb [17]

Answer:

4.5 inches

Step-by-step explanation:

To find the height in inches of the model, you need to change the ration into a fraction:

$\frac{1}{50}$

Then try to figure out the value of the denominator in terms of the ratio:

$\frac{1}{50} =\frac{x}{725}$

In this equation we need to figure out how much the denominator of the fraction is changing by, by dividing 725 by 50. Then, multiply that by one:

$4.5$

8 0

2 years ago

Which system is equivalent y=-2x^2 y=x-2

german

The wording of your question suggests that there were answer choices. Mind sharing them?

The system y=-2x^2 y=x-2 would be best written as:

y=-2x^2
y=x-2 If you subst. x-2 for y in the first equation, you'll get:
x-2 = -2x^2, or 2x^2 + x - 2 = 0.

7 0

2 years ago

Read 2 more answers