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Phantasy [73]
2 years ago
5

Help with this question. Will give brainliest.

Mathematics
2 answers:
vitfil [10]2 years ago
6 0

Answer:

No I am pretty sure it is the 4th answer my guy.

Step-by-step explanation:

2/3x-10=21

tensa zangetsu [6.8K]2 years ago
4 0

Step-by-step explanation:

x = elsie ticket

\frac{2}{3} x + 10 = 21

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Find the surface area of composite figures
Aleonysh [2.5K]

  • Answer:

<em>429 cm²</em>

  • Step-by-step explanation:

<em>A(blue) =</em>

<em>= 2×6cm×10cm + 2×6cm×8cm + 8cm×10cm + (8cm×10cm - 5cm×4cm)</em>

<em>= 120cm² + 96cm² + 80cm² + 60cm²</em>

<em>= 356 cm²</em>

<em>A(green) =</em>

<em>= 4cm×5cm + 2×5cm×5cm/2 + 4cm×7cm</em>

<em>= 20cm² + 25cm² + 28cm²</em>

<em>= 73 cm²</em>

<em>A(total) =</em>

<em>= A(blue) + A(green)</em>

<em>= 356 cm² + 73 cm²</em>

<em>= 429 cm²</em>

6 0
3 years ago
Read 2 more answers
If I plan to run 400 yards and I have completed 80%, how many yards do I have left?
Dimas [21]

Answer:

You have 80 yards left to run.

Step-by-step explanation:

To solve this problem, we first must realize that if you have completed 80% of the run, that you have 20% left (this is because 100%-80% = 20%).  

Next, we must find 20% of 400 yards.  We must remember that in math, the word "of" represents multiplication.  We also know that 20% = 20/100 = 0.2.

To find 20% of 400 yards, we can perform the following operation:

20% * 400

0.2 * 400

80

Therefore, you have 80 yards left.

Hope this helps!

7 0
3 years ago
A rectangle has an area of 8 square centimeters.
Westkost [7]

Answer:

Step-by-step explanation:

multiply lengthx weith

3 0
2 years ago
Simplify the expression: 7(3x + 5y)
user100 [1]
I think the answer is 21x+35y
5 0
2 years ago
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Casey has n nickels. Megan has 4 times as many nickels as Casey has. Write an expression for the total munber of nickels Casey a
kondor19780726 [428]
C = n
M = 4 x n or 4n
C + M = n + 4n = 5n
8 0
3 years ago
Read 2 more answers
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