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sergejj [24]
4 years ago
12

What is the area of the shape?

Mathematics
2 answers:
earnstyle [38]4 years ago
6 0

Answer:

30

Step-by-step explanation:

7 * 3 = 21

3 * 3 = 9 which covers for both triangles

each triangle is half of a square. so each triangle is 4.5 sq. units

add 21 with 9

21 + 9 = 30

labwork [276]4 years ago
6 0

Answer:

42 square units.

Step-by-step explanation:

First, find the area of the rectangle, which is base*height or 7*3=21.

Next, find the area of the two triangles, each has an area of 1/2*b*h, since there are two of them, their collective area is b*h, or 7*3=21.

21+21=42 square units.

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Is x^2y^2-25 a monomial, binomial, or a trinomial?
igor_vitrenko [27]

Answer:

trinomial

Step-by-step explanation:

there are 3 terms

x^2

y^2

-25

3 0
4 years ago
A bag contains 5 red marbles and 7 blue marbles. You randomly pick a marble and then pick a second without returning the marbles
elena-s [515]

Probability(both marbles are red) = 5/12 * 4/11 = 20/132


= 5/33 Answer

8 0
3 years ago
Read 2 more answers
Break a part the addends to find the sum 18+21
Mrac [35]
18------10+8
20------20+1

10+8+20+1=39

Hope that helped:)
4 0
4 years ago
Read 2 more answers
Expression
Olegator [25]

Answer:

Term

Expression

Step-by-step explanation:

8y is a term in the expression

7x + 8y

There are two terms in the expression 7x + 8y

First is 7x

Second is 8y

7 and 8 are coefficient of x and y respectively

7x+8y is an expression because there is no equality sign(=), it doesn't equate to any value.

Unlike an equation that has the Equal to sign(=)

There are three basic types of expression:

1. Arithmetic expression

2. Character expression

3. Logical or relational expression

7 0
4 years ago
Y * x = 20<br><br> y + x = 9 <br><br> what numbers are y and x equal to?
Ksivusya [100]

y = 9 - x
Substitute into
y \times x = 20 \\ (9 - x) \times x = 20 \\  { - x}^{2}  + 9x = 20 \\  {x}^{2}  - 9x  + 20 = 0 \\ (x - 5)(x -4) = 0 \\  x = 5 \: or \: x = 4
When x = 5,
y = 9 - 5 \\ y = 4
When x = 4,
y = 9 - 4 \\ y = 5

x = 5, y = 4
x = 4, y = 5

Hope this helps. - M
4 0
3 years ago
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