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SIZIF [17.4K]
3 years ago
12

PLZ HELP! Need this FAST! Plz SHOW YOUR WORK! Thx so much!

Mathematics
2 answers:
k0ka [10]3 years ago
4 0
Dce- 28
Fca-40
Triangle-12
Dce-4•7
Fca-10•4
Triangle-1/2(3)(8)
Ugo [173]3 years ago
3 0
Let's take this step by step. First, let's find the area of the triangle:
A_t = \frac{1}{2}bh = \frac{1}{2}(13-7)(4+4)= \frac{1}{2}(6)(8) = 24cm^2

Small rectangle:
A = lw = 7*4 = 28cm^2

Big rectangle:
A = lw = 10*4 = 40 cm^2

Let's add all the areas up:
A_T = 24+28+40 = 92cm^2

So, your answer is: The area of this figure is 92 cm².
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You need to solve for X
zhenek [66]

Look at the picture.

We have the proportion:

\dfrac{x}{2}=\dfrac{305}{122}\ \ \ \ |\cdot2\\\\x=\dfrac{305}{61}\\\\x=5\ ft

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5 0
4 years ago
How do you find an area of a triangle when you just have two sides and an angle?
Olenka [21]
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5 0
3 years ago
Benjamin’s and David’s ages add up to 36 years. The sum of twice their respective ages also add up to 72 years. Find their ages
nydimaria [60]
Answer:Benjamin’s age = 30 and David’s age = 6

Explanation:

Let x be the age of Benjamin
Let y be the age of David

x + y = 36

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30 + 6 = 36
36 = 36

2(30) + 2(6) = 72
60 + 12 = 72
72 = 72

=

5 0
3 years ago
Read 2 more answers
You make a table to use as a quick reference guide. y = -180 - 9(x) . Use the table tool to answer the question: what is the y-v
Nady [450]

Answer:

-45

Step-by-step explanation:

Look at the x-value column to row -15, and then look over to the y-value column for an answer of -45.

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

3 0
2 years ago
Are the ratios 20:16 and 10:8 equivalent?​
lys-0071 [83]
No they are not equivalent
8 0
3 years ago
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