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stealth61 [152]
3 years ago
15

Help me pls 20 points

Mathematics
2 answers:
DochEvi [55]3 years ago
8 0

This question is actually alot easier than it sounds.

Actual height = 412

Model height = 4

Seems easier?

Doesn't?

Divide

412/4 = 103 scale of model

*now i need those points*

ivann1987 [24]3 years ago
8 0

Answer:

The scale of the model is 1:103 .

Step-by-step explanation:

Height of the Willis tower in model = 4 m

Actual height of the Willis  tower = 412 m

Scale of the model is :

\frac{4}{412}=\frac{1}{103}

1 m of model of Willis tower height corresponds to 103 meters on original Willis tower.

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Question:Find the area of he trapezoid by decomposing it into other shapes.
Ad libitum [116K]

Answer:

D) 171 cm²

Step-by-step explanation:

You don’t actually need to decompose it.  You could just do it as a trapezoid:

(15+23)/2=19

19x9=171

If you want to decompose it into 2 triangles and a rectangle:

10=15x9=135

1/2(3)(9)=13.5

1/2(5)(9)=22.5

135+13.5+22.5=171 also

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3 years ago
Alexa and her children went into a movie theater where they sell bags of popcorn for $8 each and pretzels for $5 each. Alexa has
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Answer:

y≥6−x ​

y≤9− 5/8x

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Step-by-step explanation:

6 0
2 years ago
Catherine invested a principal of $1,650 in her bank account with interest rate 3.1 % How much interest did she earn in 14 years
never [62]

Answer:

$693

Step-by-step explanation:

Catherine invested a principal of $1,650 in her bank account with;

interest rate of 3.1%

How much interest did she earn in 14 years?

To find the amount accumulated in the 14 years, we use the formula:

A = P(1 + rt)

Where A is the amount accumulated, P is the principal, r is the interest rate and t is the time.

A = $1650(1 + \frac{3}{100}(14))

A = $1650 + $693 = $2343

Interest = Amount (A) - Principal (P) = $2343 - $1650 = $693

7 0
2 years ago
Read 2 more answers
NO LINKS!! Part 2<br><br>Similarity Flow Chart Proofs​
STatiana [176]

Answer:

  • See below

Step-by-step explanation:

<h3>#4</h3>

According to diagram we have

  • QR ≅ QT
  • QS ≅ QS (common side)
  • QSR ≅ QST (both right angles)

Considering above we can state

  • QSR ≅ QST by HL (hypotenuse-leg)
<h3>#5</h3>

Two angles are congruent but the order of angles is not same

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<h3>#6</h3>

Two angles and a side are congruent but the order of angles is not same.

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4 0
2 years ago
1. A sum of money is shared among Jessica, Amanda, and Beverly in the ration 8:9:3
astra-53 [7]

Answer:

$200

Step-by-step explanation:

Amanda       Beverly

     9         :       3

difference between Amanda and Beverly = 9 - 3 = 6 portions.

∴ value of 6 portions = $60

   value of 1 portion  =  $ 60 / 6

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Total no. of portions = 8 + 9 + 3 = 20

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8 0
2 years ago
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