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Bezzdna [24]
3 years ago
14

3. Find the area of the polygon. Show your work.

Mathematics
1 answer:
nata0808 [166]3 years ago
3 0
To solve this problem, you can split the shape into a triangle and a parallelogram.
You can do this by imagining/drawing a line from point A to point C>

Now you can work out the area of triangle ACB
1/2 x b x h
1/2 x 5 x 3
= 7.5

Now work out the area of the parallelogram ACDE
b x h
5 x 3 = 15

Add the areas together and then you have the answer
7.5 + 15 = 22.5
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A snowmobile traveled 32 miles in 2 1/3 hours.
sergey [27]

Answer:

  • 13.7 mph

Step-by-step explanation:

  • d = st

<u>Given</u>:

  • d = 32 miles
  • t = 2 1/3 hr = 7/3 hr

<u>Find the rate s:</u>

  • s = d/t
  • s = 32÷7/3 = 32 × 3/7 = 96/7 ≈ 13.7 mph (rounded)
4 0
2 years ago
What is n in 3/5n + 15 =10+2/5n
Phantasy [73]
Simplify both sides of the equation.

<span><span><span><span>3/5</span>n </span>+ 15 </span>= <span><span><span>2/5</span>n </span>+ 10


</span></span>Subtract 2/5n from both sides.

<span><span><span><span><span>3/5</span>n </span>+ 15 - </span><span><span>2/5</span>n </span></span>= <span><span><span><span>2/5</span>n </span>+ 10 - </span><span><span>2/5</span>n</span></span></span><span><span><span><span>15</span>n </span>+ 15 </span>= 10


</span>Subtract 15 from both sides.

<span><span><span><span><span>1/5</span>n </span>+ 15 - </span>15 </span>= <span>10 - 15</span></span><span><span><span>1/5</span>n </span>= -<span>5


</span></span>Multiply both sides by 5.

<span><span>5 </span></span>× (1/5n) = (5) × (−5)<span>n = -<span><span>25


Answer: n is -25.</span></span></span>
8 0
3 years ago
Read 2 more answers
Please help. Flow chart proof. I'll give brainliest
AveGali [126]

Step-by-step explanation:

Statement | Reason

CB=AB         Given

DBC=DBA   Given

DB = DB      Reflexive Property

/_\ DBC

=~

/_\DBA        SAS

Sorry for the formatting the =~ means congruent.

4 0
2 years ago
Compute the balance of $12,000 invested at APR of 4.4% for 18 yrs​
Vadim26 [7]

Answer: the final ballance is 26445.35

The total compound interest is $14,455.35.

5 0
2 years ago
Use the figure to decide the type of angle pair that describes ∠6 and ∠4. corresponding angles alternate exterior angles alterna
Ivenika [448]

Answer:

its C

Step-by-step explanation:

I just saw that

5 0
3 years ago
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