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Romashka [77]
3 years ago
5

We can use special triangles to solve for x in triangle Atrue or false​

Mathematics
1 answer:
KIM [24]3 years ago
8 0
I believe the answer is false.

explanation: a special triangle has side lengths of 3-4-5 or 6-8-10. In this case since you have 10 one of the other sides would have to be 6 or 8. You can use pythagorean theorem.
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If an animal dies, what percent of the carbon-14 will be left in 20000 years?​
Radda [10]

Answer:

8.898% will remain after 20000 years.

Step-by-step explanation:

First week need to know the half-life of carbon-14.

In this case it's 5,730 years.

There are calculators available online. (I'm too lazy to run through the equation.) 8.898% will remain after 20000 years.

5 0
4 years ago
Find the value of this expression if x = -4.<br> x2 – 7<br> x + 1
Eduardwww [97]

Answer:

First one equals -15

Second one equals -3

Step-by-step explanation:

(-4)*2 - 7

= (-8) - 7

= (-15)

(-4) + 1

= (-3)

Hopefully this helps.

3 0
3 years ago
Ignore the answers and please help rn
grigory [225]

Answer:

225 sq inches.

Step-by-step explanation:

If two more layers are added on it would be 225 because 5*7*7=225

5 0
3 years ago
Read 2 more answers
How is a 15% discount similar to a 15% decrease? Explain
VMariaS [17]
It's the same because you're trying to find net price (end price)

You're going to take in both scenarios 100%-15%= 85%

You're always going to be paying only 85% of the price.
8 0
4 years ago
Read 2 more answers
You know the slope of a line and a point on the line that is not the y-intercept. Can you use a graph to write the equation of t
Gnoma [55]
Sure you could as long as you have the point.

for example let's say the slope is 2 and the point we are given is (4,4)

we know that:
y = mx + b
plug in the values given
x=4
y=4
m=2

4 = 2(4) + b
b, the y intercept equals -4.

so:

y = 2x - 4
in this case
6 0
3 years ago
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