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erma4kov [3.2K]
3 years ago
11

Help me out here pleaseeeeeeee

Mathematics
2 answers:
Alex Ar [27]3 years ago
7 0

Answer:

3\frac{1}{5}

Step-by-step explanation:

First you want to find the least common denominator so we can figure out this problem.

We have  3\frac{3}{10} , 6\frac{1}{2} so all we need to do is multiply ONLY the fraction next to the 6 so we can figure out what 1/2 and 3/10 correlates to which you will get

  • By multiplying by 5 you can get the same equation so the common denominator relates to one another.
  • You get 5 by doing 10/2 which is 5.

so your new question is

3\frac{3}{10} , 6\frac{5}{10}

Which is so much easier, all you need to do is subtraction between the two!

5/10-3/10 is 2/10

2/10=1/5

Then we got the whole numbers

6-3=3

so the answer is 3\frac{1}{5}

vazorg [7]3 years ago
3 0

Answer: 3\frac{1}{5}

have: 6\frac{1}{2}=6.5;\\\\3\frac{3}{10}=3.3

Syd ran than Jose: 6.5-3.3=3.2=\frac{16}{5}=3\frac{1}{5} (miles)

Step-by-step explanation:

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Solve the system of linear equations by substitution.<br> y=X-4<br> - 2x+y= 18
11Alexandr11 [23.1K]

Answer:

] y=x-4

-2x+y=18

y - x = -4

y - 2x = 18

equation [2] for the variable y

[2] y = 2x + 18

// Plug this in for variable y in equation [1]

[1] (2x+18) - x = -4

[1] x = -22

// Solve equation [1] for the variable x

[1] x = - 22

// By now we know this much :

y = 2x+18

x = -22

// Use the x value to solve for y

y = 2(-22)+18 = -26

Step-by-step explanation:

please mark me as brainlist please

4 0
2 years ago
using the midpoint formula find the coordinates of the midpoint 9f each sigment with end points (4,2),(-5,-1)​
exis [7]

Answer:

The midpoint of the segment is (-0.5,0.5).

Step-by-step explanation:

Midpoint of a segment:

The midpoint of a segment is given by the mean of its coordinates.

Segment with end points (4,2),(-5,-1)​

x-coordinates: 4 and -5

y-coordinates: 2 and -1

x-coordinate of the midpoint:

x = \frac{4-5}{2} = -\frac{1}{2} = -0.5

y-coordinate of the midpoint:

y = \frac{2-1}{2} = \frac{1}{2} = 0.5

The midpoint of the segment is (-0.5,0.5).

3 0
3 years ago
CosA×cos2A+sinA×sin2A=cos (2A-A)​
Aleksandr-060686 [28]

Answer:

csc

A

, as desired!

Step-by-step explanation:

cos

2

A

sin

A

+

sin

2

A

cos

A

,

=

cos

2

A

cos

A

+

sin

2

A

sin

A

sin

A

cos

A

,

=

cos

(

2

A

−

A

)

sin

A

cos

A

,

=

cos

A

sin

A

cos

A

,

=

1

sin

A

,

=

csc

A

, as desired!

7 0
3 years ago
BC is parallel to DE<br> What is AC?
DaniilM [7]
ΔABC ~ ΔADE
AC/AE = AB/AD
AC/(AC+15) = 8/18
18AC = 8(AC+15)
18AC = 8AC + 120
18AC - 8AC = 120
10AC = 120
AC = 120/10
AC = 12
3 0
4 years ago
Read 2 more answers
What is the slope intercept form of (3, -2) and (0,4)
Levart [38]

Answer:

Slope is 2/-1 the equation would be y=2/-1x+4

Step-by-step explanation:

Use the formula of y2-y1/x2-x1 to find the slope

Plot the two points on a graph and find the y int. (:

Hope this helped!

4 0
3 years ago
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