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Serjik [45]
2 years ago
13

Please help me, math

Mathematics
1 answer:
cestrela7 [59]2 years ago
8 0
Hi!
I’d use Pythagora’s theorem here. If PR is 6, PQ is also 6. PQO is a right angle.

OQ^2=6.8^2 - 6^2
OQ^2=46.24 - 36
OQ^2=10.24
OQ= sqrt 10.24
OQ=3.2
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here a subtraction problem that has been solved incorrectly for 44-16=28 choose the addition sentence that check this subtractio
Mazyrski [523]

Answer:

28+16=44

Step-by-step explanation:

point of correction it has been solved correctly

when subtracting 44 - 16 it gives you 28

=> 44 - 16

=> 28

SO IN ORDER TO CHECK IF THE PROBLEM WAS SOLVE CORRECTLY

you will minus 28 from one of the numbers before the equal sign

the correct option is 28 + 16 equals to 44

=> 28+16=44

4 0
2 years ago
experts, geniuses, aces and moderators .. need help on the attached. will give brainliest!!! find the derivative of e^x
STatiana [176]
To find the derivative, you must use the chain rule.

If u=x^3+2x:
dy/dx=(dy/du)(du/dx)
dy/du=d/du(e^u)=e^u=e^(x^3 + 2x)
du/dx =d/dx (x^3+2x) = 3x^2 + 2

So dy/dx=
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4 0
4 years ago
Simplify(5+2i)(1+3i)
hichkok12 [17]
(5 + 2i)(1 + 3i)

5 * 1 = 5

5 * 3 = 15i

2i * 1 = 2i

2i * 3i = 6i^2

So we have...

5 + 15i + 2i + 6i^2

5 + 17i + 6i^2

In order....

6i^2 + 17i + 5
3 0
3 years ago
If you reduce the fraction as small as you can example 4/8 reduces 1/2 the fraction is now considered to be in?
34kurt

Answer:

simplest form!

Step-by-step explanation:

The answer is in simplest form but don't ever simplify your answer in an exam as you will loose marks

8 0
4 years ago
Read 2 more answers
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Brums [2.3K]

Answer: 1717

Step-by-step explanation:

17+420+480+425+375=

8 0
4 years ago
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