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Darya [45]
3 years ago
9

These triangle are similar find the value of x A. 2 B.6 C.4 D.3

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
7 0

Answer:

4

Step-by-step explanation:

in similarity the ratio of the similar sides is the same i.e

10/5 =8/x

2x=8

x= 4

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-11 3(4-5a)=? -11 12-15a =1-15a
den301095 [7]
Answer = a=12/7=1.714
6 0
3 years ago
please help me to solve both question.....need your help....N33d your working...i swear i will mark brainliest who answer it♥♥♥​
emmasim [6.3K]

Answer:

Hello. The answer is 250.

Step-by-step explanation:

The explanation takes alot of time

The two important tips are

Sum of the interior angles of triangle is 180

And for those which have 4 sides are 360

4 0
3 years ago
Each pair of figure is similar find the missing side
Marat540 [252]
As you can see from the polygon, 70/10= 7.

The second polygon is an enlargement of the first one. 

Just multiply 4*7 to get the answer. 

4*7= 28

That's the answer!

I hope this helped you!

Brainliest answer is always appreciated!
3 0
3 years ago
Read 2 more answers
Write an equation of the line that passes through the given point and is parallel to the given line.
Margaret [11]

Answer:

Part 40) y=-2x+9

Part 41) y=5x+6

Part 42) y=\frac{2}{3}x+\frac{4}{3}

Step-by-step explanation:

Remember that

If two lines are parallel, then their slopes are the same

Part 40) Write an equation of the line that passes through the given point

and is parallel to the given line

we have

Point (4,1)

Given line y=-2x+7

step 1

Find the slope of the given line

The given line is a equation of the line in slope intercept form

y=mx+b

where

m is the slope

b is the y-intercept

so

The slope of the given line is

m=-2

step 2

Find the y-intercept b

we have

m=-2

(4,1)

substitute in the linear equation

1=(-2)4+b

solve for b

b=1+8

b=9

step 3

Find equation of the line that passes through the given point and is parallel to the given line

we have

m=-2

b=9

substitute

The equation of the line is

y=-2x+9

Part 41) Write an equation of the line that passes through the given point

and is parallel to the given line

we have

Point (0,6)

Given line y=5x-3

step 1

Find the slope of the given line

The given line is a equation of the line in slope intercept form

y=mx+b

where

m is the slope

b is the y-intercept

so

The slope of the given line is

m=5

step 2

Find the y-intercept b

b=6 ----> because the y-intercept is the point (0,6) (value of y when the value of x is equal to zero)

step 3

Find equation of the line that passes through the given point and is parallel to the given line

we have

m=5

b=6

substitute in the linear equation

y=5x+6

Part 42) Write an equation of the line that passes through the given point

and is parallel to the given line

we have

Point (-5,-2)

Given line y=(2/3)x+1

step 1

Find the slope of the given line

The given line is a equation of the line in slope intercept form

y=mx+b

where

m is the slope

b is the y-intercept

so

The slope of the given line is

m=\frac{2}{3}

step 2

Find the y-intercept b

we have

m=\frac{2}{3}

(-5,-2)

substitute in the linear equation

-2=(\frac{2}{3})(-5)+b

solve for b

-2=-\frac{10}{3}+b

b=-2+\frac{10}{3}

b=\frac{4}{3}

step 3

Find equation of the line that passes through the given point and is parallel to the given line

we have

m=\frac{2}{3}

b=\frac{4}{3}

substitute

The equation of the line is

y=\frac{2}{3}x+\frac{4}{3}

3 0
3 years ago
A group of 5 people paid for general admission to the museum. Some of the people also bought movie tickets. The whole group spen
sashaice [31]

Answer:

5 k + x m   = 108   is the needed equation.

k  : Cost of 1 general admission ticket

x  : Number of movie tickets purchased.

m : cost of 1 movie ticket.

Step-by-step explanation:

The number of people who visited the museum = 5

The total amount spent on general admission and movie tickets  = $108

x : the number of movie tickets purchased

Let us assume the cost of each ticket  = $ m

So, the cost of x tickets  = x ( cost of 1 ticket) = x ( $m) = m x  

Also, the general admission amount  for 1 person  = $ k

⇒ General admission amount for 5 people  = 5 x ( $k)  = 5 k

So, according to the question:

The general admission + Amount +  cost of x movie tickets  = $ 108

$ 5 k + x m   = 108

So, here: 5 k + x m   = 108

k: Cost of 1 general admission ticket

x: Number of movie tickets purchased.

m : cost p=of 1 movie ticket.

Hence, the needed  equation is  5 k + x m   = 108.

3 0
3 years ago
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