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Naily [24]
3 years ago
15

49-c< or equal to 45thanks

Mathematics
1 answer:
m_a_m_a [10]3 years ago
3 0

49-c\leq45\qquad\text{subtract 49 from both sides}\\\\-c\leq-4\qquad\text{change the signs}\\\\\boxed{c\geq4}

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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 result when the number 64 is decreased by 4.1%? Round your answer to the nearest tenth.
Strike441 [17]

Answer:

61.4

Step-by-step explanation:

64 minus 4.1 percent is 61.376. Rounded to the nearest tenth would be 61.4.

3 0
3 years ago
Read 2 more answers
You will not be given credit for your answer if you do not include your equation! Your family took a trip to Florida. After the
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Answer:

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Step-by-step explanation:

720÷9=80

hope this helps!!!

3 0
3 years ago
The Gophers won 2/3 of their games. The Rattlers
ZanzabumX [31]

Answer:

48

Step-by-step explanation:

The silmutenous equations

2/3x + 1/2y = 56

X=y

4 0
3 years ago
Solve for x.
Zigmanuir [339]
X/2 >= -4
x >= -4 * 2
x >= -8
6 0
3 years ago
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