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nevsk [136]
2 years ago
12

A square is enlarged by multiplying each of its dimensions by 3. Based on this information, which statement is true?

Mathematics
2 answers:
Akimi4 [234]2 years ago
8 0

Answer:

C would be the correct answer because 4 x 3 = 12.

Step-by-step explanation:

Iteru [2.4K]2 years ago
7 0
A would be the right answer
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A pan is heated to 409°F, then removed from the heat and allowed to cool in a kitchen where the room temperature is a constant 7
Irina18 [472]

Answer: C. 265.9^{\circ}F

Step-by-step explanation:

Given: The formula below can be used to find D, the difference in temperature between the pan and the room after t minutes.

D = 338e^{-0.03t}

At t= 8 minutes, we get

D = 338e^{-0.03(8)}\\\\\Rightarrow\ D = 338e^{-0.24}\\\\\Rightarrow\ D = 338(0.786627861067)\\\\\Rightarrow\ D = 265.88\approx265.9^{\circ}F

The approximate temperature of the pan after it has been away from the heat for 8 minutes=   265.9^{\circ}F

6 0
3 years ago
11. Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.
azamat

Answer:

Step-by-step explanation:

The first term is simply a(1), and is 5.

The fourth term is a(4), and is 5 + (1/6)(4-1), or 5  3/6  or 5 1/2.

The tenth term is a(10), and is 5 + (1/6)(10 - 1), or 5  + 3/2, or  6 1/2.

4 0
3 years ago
A number to the 9th power divided by the same number to the 6th power equals 64. What is the number?
Vika [28.1K]
Use an equation:
x^9/x^6=64
x^(9-6)=64
x^3=64
x=4

note that x^9 means "x to the power of 9", same with other ones

the number is 4.
5 0
3 years ago
Plzzzzz help asappppppp
wariber [46]
The measure of angle 7 is 61 degrees by the Alternate interior angles theorem.

The alternate interior angles theorem states that, the alternate interior angles are congruent when the transversal intersects two parallel lines. Hence, it is proved. Alternate interior angles can be calculated by using properties of the parallel lines.
3 0
2 years ago
Find the perimeter of the triangle shown.Simplify your answer.Show all your work.
VashaNatasha [74]
Answer: 12 sqrt(5)

Explanation:
First simplify:
= Sqrt(45)
= sqrt(9*5) sqrt of 9 is 3 so bring out 3
= 3sqrt(5)

= 2sqrt(20)
= 2sqrt(4*5) sqrt of 4 is 2 so bring that out and multiply it by 2
= 4sqrt(5)

= 5 sqrt(5) is already simplified

= 3sqrt(5) + 4 sqrt(5) + 5sqrt(5)
= 12 sqrt(5)
7 0
3 years ago
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