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musickatia [10]
3 years ago
6

HELP FAST LOL HAHAHAH

Mathematics
1 answer:
OleMash [197]3 years ago
4 0

Answer:

184

Step-by-step explanation:

First, note that the sides that are opposite to each other are congruent (this will come into play in a second). We can find the area of each triangle by doing 0.5(b)(h) (aka half * base* height). Since we've established tha opposite sides are congruent and the triangles are opposite to each other, they must be congruent. That means that the area is going to be the exact same for both triangles. So, we get the expression (0.5)(6)(4)(2), which comes out to 6*4 = 24. Then, to find the area of the 2 rectangles that are the sides, just do 5*10*2 = 100 square meters for both rectangles combines. Lastly, we need to find the area of the floor. The dimensions of the floor are 6 and 10, so we just do 6*10 = 60. Now, add all those numbers together. We get 100+60+24 = 184. Hope this helps! Let me know if anything is still confusing.

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Mrs Lim bought a number of plates at an average price of $6. She decided to buy another plate which cost $18. The average price
soldi70 [24.7K]

Answer:  6

<u>Step-by-step explanation:</u>

Let x represent the number of plates bought for $6

Let y represent the Total number of plates bought = x + 1

<em>Remember that Mrs. Lim bought another plate for $18</em>

Total cost ÷ Total plates = Average Cost

\dfrac{6x+18}{x+1}=8\\

6x + 18 = 8(x + 1)

6x + 18 = 8x + 8

       18 = 2x + 8

       10 = 2x

        5 = x

y = x + 1

  = 5 + 1

  = 6

5 0
3 years ago
4
emmasim [6.3K]

Answer:

A.    

Step-by-step explanation:

y=mx + b where m is the slope and b is the y-intercept.  So substituting 4/5 for m and 5 for b, you get answer A.

4 0
3 years ago
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AlekseyPX
Answer:the answer to this will be 14m
8 0
3 years ago
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Thepotemich [5.8K]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Hi I need help please
jek_recluse [69]

Answer/Step-by-step explanation:

Recall: if two figures are similar, we know that the ratio of their areas = the square of the ratio of their corresponding sides

Apply this knowledge to solve the problems given.

✔️Problem 1 (4-sided polygon):

Let the missing area be x cm²

Therefore,

\frac{x}{9} = \frac{8^2}{4^2}

\frac{x}{9} = \frac{64}{16}

\frac{x}{9} = 4

Multiply both sides by 9

x = 9*4

x = 36 cm²

✔️Problem 2 (3-sided polygon):

Let the missing area be y cm²

Therefore,

\frac{y}{240} = \frac{8^2}{32^2}

\frac{y}{240} = \frac{64}{1,024}

\frac{y}{240} = \frac{1}{16}

Multiply both sides by 240

y = ¹/16 × 240

y = 15 cm²

✔️Problem 3 (5-sided polygon):

Let the missing area be z cm²

Therefore,

\frac{z}{40} = \frac{3^2}{2^2}

\frac{z}{40} = \frac{9}{4}

Multiply both sides by 40

z = \frac{9}{4} * 40

z = \frac{9}{1} * 10

z = 90 cm²

7 0
3 years ago
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