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hram777 [196]
2 years ago
5

Find the unknown value . 45%=54/⬛️

Mathematics
1 answer:
Vitek1552 [10]2 years ago
4 0

Answer:

12

Step-by-step explanation:

54/12=4.5 then move the decimal once

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HELPP plz in. 17 thank u so much
sergij07 [2.7K]
In the table, you can see level 1 is 5 to the first power, level 2 is 5 to the second and go on. 
so in level 6 would be 5 to the sixth power
so the answer to first one is 5^6 
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6 0
3 years ago
Algebra 1 please help! super easy
Mademuasel [1]
28 7/8, write 875/1000 and keep dividing by 5 to get the simplest form
4 0
3 years ago
Read 2 more answers
Help! Best answer gets brainliest
julsineya [31]

Answer:

7.9

Step-by-step explanation:

the first thing to do is find the second projection.

16-7 = 9

than we can use a proportion to find BD

7 : BD = BD : 9

BD = √9 x 7 = √63 = 7.9

we have to use the square root because in the proportion BD Is repeated two times. If we don’t use it, we find BD^2

7 0
3 years ago
If PQ=8 and Q lies at -13 where could P be located?
choli [55]

Answer:

In the given figure the point on segment PQ is twice as from P as from Q is. What is the point? Ans is (2,1).

Step-by-step explanation:

There is really no need to use any quadratics or roots.

( Consider the same problem on the plain number line first.  )

How do you find the number between 2 and 5 which is twice as far from 2 as from 5?

You take their difference, which is 3. Now splitting this distance by ratio 2:1 means the first distance is two thirds, the second is one third, so we get

4=2+23(5−2)

It works completely the same with geometric points (using vector operations), just linear interpolation: Call the result R, then

R=P+23(Q−P)

so in your case we get

R=(0,−1)+23(3,3)=(2,1)

Why does this work for 2D-distances as well, even if there seem to be roots involved? Because vector length behaves linearly after all! (meaning |t⋅a⃗ |=t|a⃗ | for any positive scalar t)

Edit: We'll try to divide a distance s into parts a and b such that a is twice as long as b. So it's a=2b and we get

s=a+b=2b+b=3b

⇔b=13s⇒a=23s

7 0
3 years ago
A graphing calculator displays 1.89•10^12 as 1.89e 12. How do you think it would display 1.89•10^-12? What does the E stand for?
Setler [38]
1.89E-12 . E= Exponent
4 0
3 years ago
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