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3 years ago

12

Gail made a cup of cocoa. At first the cocoa was way too hot to drink, so she had to let it cool. It started to cool quickly, an

d then cooled more slowly until it reached room temperature

1 answer:

lukranit [14]3 years ago

5 0

What is the question you're trying to solve?

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Help pls :))))))))))))

Aneli [31]

Answer:

yes, the triangle are congruent by SAS

6 0

3 years ago

Tanh(2a)==1/2 then a=?

stepladder [879]

Answer:

2a=1/2

a=1/4

Step-by-step explanation:

6 0

3 years ago

6.) Alan, Becky, Jesus, and Mariah are four students in the chess club. If two of these students will be selected to represent t

Artist 52 [7]

Let's begin by listing out the information given to us:

There are four students: n = 4

Number of students to be selected: r = 2

To calculate the combination of 2 students to be chosen, we use:

$\begin{gathered} ^4C_2=\frac{n!}{(n-r)!}=\frac{4!}{(4-2)!}=\frac{4!}{2!} \\ ^4C_2=\frac{4\cdot3\cdot2\cdot1}{2\cdot1}=\frac{4\cdot3}{1}=12 \\ ^4C_2=12 \end{gathered}$

Therefore, there 12 possible combinations from these

3 0

2 years ago

What are 2 common mistakes people make when using quotient rule with exponents?

NemiM [27]

Answer:

1. Not accounting for the difference in the base of the exponent when applying the quotient rule.

2. Not subtracting the exponents of the denominator from the exponent of the numerator when applying the quotient rule.

5 0

1 year ago

A ladder is placed against a wall of a building 20m above the ground. The foot of the ladder is 15m away from the bottom of the

olganol [36]

By the Pythagorean Theorem:

L^2=20^2+15^2

L^2=400+225

L^2=625

L=25 m

4 0

3 years ago