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sertanlavr [38]
3 years ago
7

Give brainlest on time limit pls help

Mathematics
1 answer:
inysia [295]3 years ago
8 0

Answer:

336 sq un

Step-by-step explanation:

The area of a rhombus is pq/2 where p and q are the diagonals.

you have:

p = 12 + 12 = 24

q = 18 + 10 = 28

so the formula would be:

24 * 28 / 2 = 336 sq un

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Can someone solve 5 + 2x = + 6<br><br> and n - 3n = 14 - 4n<br><br> and 7 ( 5a - 4 ) - 1 = 14 - 8a
professor190 [17]

Answer:

5 + 2x = 6

2x = 6-5

2x = 1

x = 0.5

n -3n = 14 -4n

-2n = 14-4n (since 4n is negative, change the sign to make it positive and then add 4n to both sides of the equation)

2n = 14

n = 7

7 (5a - 4) - 1 = 14 - 8a

35a - 28 - 1 = 14 -8a

35a -29 = 14 - 8a

43a = 43

a = 1

6 0
3 years ago
Read 2 more answers
Name the figure. Select all answers that apply.
elena-s [515]

Answer:

The answer is Plane P

Step-by-step explanation:

The reason for the answer is because a closed, two-dimensional or flat figure is called a plane shape. Different plane shapes have different attributes, such as the numbers of sides or corners. A side is a straight line that makes part of the shape, and a corner is where two sides meet.

8 0
3 years ago
Perform the following multiplication<br><br>a) 9xy ( x²y – xy²)<br><br>b) 7 p²q² (9 pq - 9 p²q²)​
erastova [34]

Answer:

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6 0
3 years ago
HELP Solve for x and y
BabaBlast [244]

Answer:

x = 96

y = 66

Step-by-step explanation:

The sum of interior angles of the given shape is 360:

x + y + 123 + 75 = 360

x + y + 198 = 360 subtract 198 from both sides

x + y = 162

The angle with the measure 114 and angle y are supplementary so their sum is 180

y + 114 = 180

y = 66 since x + y = 162 we can use this to find the value of x

x = 162 - 66

x = 96

5 0
2 years ago
5
Debora [2.8K]

Answer:

13.8 feet long.

Step-by-step explanation:

The end two pieces are 3.6 feet long.

The middle board must be 0.82 longer than the 3.6 feet.

The easy way to do this is to realize that the length of the middle part is 1.82 times the length of each of the end pieces.

1.82 * 3.6 = 6.552 feet long.

So the total length of the board must be

3.6 + 3.6 + 6.552 = 13.752 feet long. (That's a pretty long board).

Rounded it becomes 13.8 feet long.

6 0
3 years ago
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