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3 years ago

Please help I’ll mark you as brainliest if correct!

Mathematics

1 answer:

Shalnov [3]3 years ago

3 0

You just need to multiply 35 by 2/7

35 x 2/7 = 10 so there are 10 blue socks

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PLEASE HELP ME I NEED HELP THIS IS IMPORTANT PLEASE HELP I WILL GIVE YOU BRAINLIEST IF YOU ANSWER I JUST NEED SOMEONE TO ANSWER

mr_godi [17]

Answer:

Step-by-step explanation:

divide 162 by 3 because thats the number each term is being multiplied by.

5 0

3 years ago

Find the points of intersection of the lines 10x−4y=2 and 2x+8y=7 without graphing.

Jet001 [13]

Answer:

$x=\frac{1}{2},y=\frac{3}{4}$

Step-by-step explanation:

Given:

$10x-4y=2 ,2x+8y=7$

To find: points of intersection of the given lines

Solution:

In substitution method, the system of equations is solved by expressing one variable in terms of another, as a result, removing one variable from an equation.

$10x-4y=2 \\2(5x-2y)=2\\5x-2y=1\\5x=1+2y\\x=\frac{1+2y}{5}$

Put $x=\frac{1+2y}{5}$ in the equation $2x+8y=7$

$2x+8y=7\\2[\frac{1+2y}{5}]+8y=7\\ 2+4y+40y=35\\44y=35-2\\44y=33\\y=\frac{33}{44}\\ =\frac{3}{4}$

Put $y=\frac{3}{4}$ in the equation $x=\frac{1+2y}{5}$

$x=\frac{1+2y}{5}\\=\frac{1}{5}[1+2(\frac{3}{4})]\\=\frac{1}{5}[1+(\frac{3}{2})]\\\\=\frac{1}{5}(\frac{2+3}{2}) \\\\=\frac{1}{5}(\frac{5}{2})\\\\=\frac{1}{2}$

Therefore,

$x=\frac{1}{2},y=\frac{3}{4}$

5 0

3 years ago

Who knows all answers to this if you know what this is

fredd [130]

The line on the left with the arrow at the end.
One end is filled in meaning $\leq$
and there is an arrow showing it goes on forever

The line is behind -2 and all numbers in it are $\leq 2$

4 0

3 years ago

What is the maximum number of consecutive odd positive integers that can be added together before the sum exceeds $401$

salantis [7]

The maximum number of integers is 27 that can be added together before the summation of the A.P. Series exceeds 401.

According to the statement

We have a given that the maximum sum of the positive integers is 400.

And we have to find the value of n which is a maximum number of integers by which the value of sum become 400.

So, to find the value of the n we use the

A.P. Series'Summation formula

According to this,

S = n (n+1)/2

Here the value of s is 401

Then

S = n (n+1)/2

401 = n (n+1)/2

401*2 = n (n+1)

802 =n (n+1)

n (n+1) = 802

n^2 + n -802 =0

By the use of the Discriminant formula the

value of n becomes n = -28 and n = 27.

The negative value of n is neglected.

Therefore the value of n is 27.

So, The maximum number of integers is 27 that can be added together before the summation of the A.P. Series exceeds 401.

Learn more about maximum number of integers here brainly.com/question/24295771

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7 0

2 years ago

Answer correctly please !!!! Will mark Brianliest !!!!!!!!!!!!!!

sukhopar [10]

Answer:

$v=s^2h/2$

$v=12.4(5)/3$

$v=20.7~ft^3$

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hope it helps...

have a great day!!

3 0

3 years ago