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Over [174]
2 years ago
5

Please help me with this question

Mathematics
1 answer:
Maksim231197 [3]2 years ago
7 0

The answer will be 27 only.

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What is the answer to <br> 5x+15&lt;-10
MatroZZZ [7]

Answer:

x<-5

Step-by-step explanation:

Subtract 15 from both sides, divide both sides by 5

5 0
2 years ago
Read 2 more answers
What is the range of f(x) = 4x?
antoniya [11.8K]
Range is all positive real numbers

answer is D. last one
8 0
3 years ago
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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
Which answer choice shows 12.444 rounded to the nearest half?
vesna_86 [32]

Answer:

C. 12

Step-by-step explanation:

Remember 0 to 4 turn it back

5 or above give it a shove.

Since 12.444 is around 0 to 4.

We can round that to 12.

3 0
2 years ago
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Solve the inequality 8(x + 1) &gt; 7(x + 2).
elixir [45]
8X + 8 > 7x + 14

subtract 7x and 8 from both sides

x > 6
5 0
2 years ago
Read 2 more answers
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