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Zepler [3.9K]
2 years ago
12

Is this answer right?? If not what’s the real answer? I’m trying to practice for my STAAR.

Mathematics
1 answer:
Ierofanga [76]2 years ago
8 0

35

Area of rectangle

21m^2

Area of one triangle

divide length of 7 by 2 (3.5)

gives you length b (unknown side that is not hypotenuse)

then multiply by width of triangle (4)

3.5 * 4 = 14

and in this situation there is no need to divide by two, because you essentially have one full square from both the triangles. this only works when both triangles are the same.

add the area of the rectangle

14+21= 35

35m^2

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Is this wrong?
sammy [17]

Step-by-step explanation:

The last step is a little wrong. Lemme show you:

x(x + 2) + (x + 2)

Imagine there is an invisible '1' infront of (x + 2) like this:

= x(x + 2) + 1(x + 2)

Now we can combine the like terms together:

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This is the correct factorization.

4 0
3 years ago
If f(x)=1/x+2/x, then f(1/3)=
Kaylis [27]

Answer:

f(1/3) = 9

Step-by-step explanation:

f(x)=1/x+2/x

Combine terms

f(x) = 3/x

f(1/3) = 3 / (1/3)

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7 0
3 years ago
I’ll send you the picture of my question
Svet_ta [14]

Answer:

ok

Step-by-step explanation:

4 0
2 years ago
This is review, please help it’s due tomorrow!
Svet_ta [14]
I dont see anything
3 0
2 years ago
How would I solve this agai n
Svetllana [295]

Answer:

The area is 35 inches

Step-by-step explanation:

You will need to cut the shape into 3 parts

the 3 by 3

2 by 5

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after that you multiply the numbers to get the area of the 3 parts.

The final step is to add them all up

( if you have more problems message me)

3 0
2 years ago
Read 2 more answers
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