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Rudik [331]
2 years ago
13

Please help will give u brainliest pls help me​

Mathematics
2 answers:
masya89 [10]2 years ago
5 0

Answer:

19

Step-by-step explanation:

1/2*(5+x)*4=48

Vlad [161]2 years ago
3 0
The formula for finding the area of a trapezium is:
Area= 1/2 x (a+b) x h
So the formula will work oppositely
4 cm is the height while 5 and the other 5 is sides.. sorry i can’t find the formula now
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2) Solve the linear equation 2(3x + 2) = 2x - 1+x
alexandr402 [8]
Solving for x right?
2) 6x + 4 = 3x - 1
6x - 3x = -1 - 4
3x = -5
x = - 5/3

3) x - 9 = 3/5x
5(x-9) = 3x
5x - 45 = 3x
2x = 45
x = 45/2
6 0
2 years ago
Expand and simplify 2(x+7)+3(x+1)
kirza4 [7]
2(x+7)+3(x+1)
= 2x+14+3x+3
= 5x+17
6 0
3 years ago
-1 3/7 x (-3 2/3) <br> Thank you
Evgesh-ka [11]
The answer would be D
-1 3/7=-10/7
-3 2/3=-11/3
-10/7 x -11/3=110/21
110/21=5 5/21
A negative times a negative =a positive
8 0
3 years ago
Read 2 more answers
The polygons in each pair are similar find the scale factor smaller figure to the larger
GrogVix [38]

Answer:

Smaller Figure 3

Larger Figure 5

Scale factor = 15/25 = 3/5

3 0
2 years ago
Find the median of the data.<br><br> 12, 10, 14, 9, 8, 9, 15, 15
hram777 [196]

Answer:

11

Step-by-step explanation:

First, order the numbers in the given set from least to greatest:

8 , 9 , 9 , 10 , 12 , 14 , 15 , 15

The median is the number found in the middle of the given set. If the amount of numbers in the set are even (as in this case), then you will find the mean of the two middle numbers.

In this case, the middle numbers are 10 & 12:

Find the mean. The mean is found by adding all the numbers together and dividing by the amount of numbers there is:

(10 + 12)/2 = (22)/2 = 11

11 is your median.

~

5 0
2 years ago
Read 2 more answers
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