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Nezavi [6.7K]
3 years ago
14

Please help me ..!!!

Mathematics
1 answer:
BartSMP [9]3 years ago
7 0
I am not sure but I think it is the third one
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Someone!!!!!!!!!!! Please
Marrrta [24]

\frac{\sqrt{5} }{\sqrt{7} } = Rationalising Factor = \sqrt{7}\\ = \frac{\sqrt{5} }{\sqrt{7} } X \frac{\sqrt{7} }{\sqrt{7} } \\Answer:  \frac{\sqrt{35} }{7}

6 0
4 years ago
Mailboxes Plus sends packages overnight for $5 plus $0.25 per ounce. United Packages charges $2 plus $0.35 per ounce. Me. Molina
scZoUnD [109]

Answer:

30 ounces

Step-by-step explanation:

You first have to write out the two equations:

5+0.25x=y

2+0.35x=y

Then simply equal the equations to each other:

5+0.25x=2+0.35x

Subtract the 2 from both sides:

3+0.25x=0.35x

Subtract the 0.25x from both sides:

3=0.10x

Divide the 0.10 on both sides:

30=x

So, 30 ounces is your answer!

You can check by plugging 30 back into the equations to make sure that they are equal to each other.

5+0.25(30)=12.5

2+0.35(30)=12.5

5 0
3 years ago
F(x) = −16x2 + 24x + 16
Lana71 [14]

Answer:

The x-intercepts are: -0.5 and 2.

Step-by-step explanatio

4 0
3 years ago
Find an explicit form f(n) for each of the following arithmetic sequences (assume a is some real number and x is
insens350 [35]

Answer:

The explicit form for this sequence is f(n)=f(1)-\frac{n-1}{10} for all n\geq 1.

Step-by-step explanation:

The explicit form of an arithmetic sequence  of numbers   is given by the formula  f(n)=f(1)+(n-1)d, where  f(1)  is the first term of the sequence,  d  is the difference between two consecutive terms of the sequence, and n\geq 1.

We know that  the first four elements for the arithmetic sequence are {f(1)=\frac{1}{5},f(2)=\frac{1}{10},f(3)=0, f(4)=-\frac{1}{10}}.

To find the general formula for this problem we only need to calculate d in the above formula.

For n=2, we have

f(2)=f(1)+(2-1)d=f(1)+d

if we replace f(1)=\frac{1}{5} and f(2)=\frac{1}{10} and solve for d we obtain  

\frac{1}{10}=\frac{1}{5}+d

d=\frac{1}{10}-\frac{1}{5}=-\frac{1}{10}

Therefore the explicit form is  f(n)=f(1)-\frac{n-1}{10} for all  n\geq 1.

7 0
3 years ago
Given m||n, find the value of x​
stira [4]

Answer:

x= 154°

I hope it's helps you

5 0
3 years ago
Read 2 more answers
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