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Alex Ar [27]
3 years ago
5

PLEASE HELP! I WILL MAKE YOU BRAINLIST!

Mathematics
2 answers:
Luda [366]3 years ago
6 0

Answer:

The answer is A

Step-by-step explanation:

Blababa [14]3 years ago
5 0

The answer is A, because the perimeter in cm is 19 and if we multiply 19 by 6.5 we get 61.75

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What is the DMS measure of an angle that is 3.7 radians?
Nostrana [21]
C. Because it equals to the degrees to the 3.7 radians
7 0
3 years ago
Squareroot(y-1) + 3 = y
jek_recluse [69]
Note:xy means x times y and x(y) means the same thing

so
first we get rid of square root then
make the equation equal to zero becaues if
xy=0 then x or/and y=0



squareroot(y-1)+3=y

isolate the squareroot
subtrac 3 from boht sides

squareroot(y-1)=y-3

square both sides (since they are equal, you should be able to square both sides and still make it true)

(squareroot(y-1))^2=(y-3)^2
(y-1)=(y-3)(y-3)
y-1=y^2-6y+9
subtrac y from both sides
-1=y^2-7y+9
add 1 to both sides
0=y^2-7y+10
find what two number multiply to make 10 and add to get -7
the answer is -2 and -5

0=(y-5)(y-2)
therfore
y-5=0
and/or
y-2=0

therefor
y=5 or/and 2 might work
let's try out 2
square root(2-1)+3=2
square root(1)+3=2
1+3=2
false
so 2 doesn't work



let's try 5
squareroot(5-1)+3=5
squareroot(4)+3=5
2+3=5
5=5
true

y=5
7 0
3 years ago
What is the equivalent property of 7(x+3)
Margarita [4]

Answer:

7x+21

Step-by-step explanation:

4 0
2 years ago
4^-2 what does this equal
S_A_V [24]

0.0625

or 16 im not sure

4 0
3 years ago
Read 2 more answers
How do you simply 2x+8=-6
photoshop1234 [79]
To simplify <span>2x + 8 = -6, the easiest way is to manipulate the equation one step at a time:

</span>2x + 8 = <span>-6
</span>2x = <span>-14             (subtract 8 from both sides)
</span>x = -7                 (divide both sides by 2)


3 0
3 years ago
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