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Oxana [17]
3 years ago
5

Plz help with this 5th one

Mathematics
2 answers:
USPshnik [31]3 years ago
6 0
28, since 5^2 is 25, (x-3) = 25, so x must equal 28
xenn [34]3 years ago
5 0

Answer:

28

Step-by-step explanation:

You might be interested in
If 30 is increased by 20%, what is the new amount?
Burka [1]

Answer:

The new amount is 36

Step-by-step explanation:

we know that

100%+20%=120%

Let

x-----> the new amount

The number 30 represent the 100%

so

by proportion

30/100%=x/120%

x=120*30/100=36

8 0
3 years ago
Find the minimum or maximum of the function. Describe the domain/range in interval notation y=6x^2-1
Margarita [4]

max is at vertex

in form y=ax^2+bx+c

the x value of the vertex is \frac{-b}{2a}

given, y=6x^2-1

a=6, b=0

the x value of the vertex is -0/(2*6)=0

the y value is y=6(0)^2-1=0-1=-1

so vertex is at (0,-1)

since the value of a is positive, the parabola opens up and the vertex is a minimum value of the function

therefore that value is the smallest value the function can be



domain=numbesr you can use for x

range=numbesr you get out of inputting the domain


domain=all real numbers

range is {y | y≥-1} since y=-1 is the minimum

7 0
2 years ago
What is 3.242424... as a mixed number
Lesechka [4]
The answer to the question is 3 8/33
7 0
3 years ago
I really need help on this question <br>7+4÷5b=9÷10b
DerKrebs [107]

The answer is I believe b=70

5 0
3 years ago
1. Michael buys a chocolate bar which has 50% extra free. The chocolate bar usually weighs 200g. (a) How much extra chocolate do
KiRa [710]

Answer:

1/2 more chocalte or 50% more or 100g more

300g is the new weight

Step-by-step explanation:

200/2=100(50%)

100+200=300g

5 0
2 years ago
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