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3 years ago

In the diagram below, Bonnie claims that ΔMLV ≅ ΔRLT.

Mathematics

1 answer:

nevsk [136]3 years ago

3 0

∠ M ≅ ∠ R: true

VL ≅ LT: true

Δ MLV can be rotated about point L to map it to Δ RLT. : false

A series of rigid transformations of Δ MLV maps it to Δ RLT. : true

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A radioactive substance decays at a continuous rate of 12% per year, and 90 mg of the substance is present in the year 2000. (a)

Alla [95]

Answer:

A(t) = 90e^0.12t ;

299 mg

Step-by-step explanation:

General Continous growth rate equation :

A = Pe^rt

A = amount present, t years after year of initial amount.

Here,

P = 90 mg, amount in year 2000

r = rate = 12% = 0.12

t = years after 2000

Therefore,

A is written as ;

A(t) = 90e^0.12t

Amount present in year 2010 ;

t = 2010 - 2000 = 10

A(10) = 90e^0.12(10)

A(10) = 90 * e^1.2

= 90 * 3.3201169

= 298.81052

= 299 mg

5 0

3 years ago

i put 12 gallons of gas in my car. each gallon was $5.15. there was also 9% tax. what was the total i paid?

wariber [46]

Steps:
5.15*1.09*12 = total

5.6135*12 = total

$67.36= total

Answer: $67.36

4 0

3 years ago

Find the value of f(x) if f(x)= 14x-12 when x=16

Papessa [141]

Step-by-step explanation:

$14(16) - 12 = 224 - 12 = 212$

3 0

3 years ago

Which is NOT a statistical question

Aneli [31]

Answer:

How many plates are on the table as it results in only one value with no variability

Step-by-step explanation:

8 0

3 years ago

Rhonda had $300 to buy supplies for the animal shelter. She bought 8 bags of dog food and 11 leashes. Each bag of food cost $25.

Readme [11.4K]

Answer:

47.33

Step-by-step explanation:

Hey there! I'm happy to help!

We have 8 bags of dog food and each costs $25.19

8(25.19)=201.52

And we have 11 leashes each costing $4.65.

11(4.65)=51.15

We add these totals up.

201.52+51.15=252.67

We subtract this from 300 to see how much is left.

300-252.67=47.33

Rhonda had $47.33 left after her purchases.

Have a wonderful day! :D

3 0

3 years ago