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2 years ago

1 + (2)(3)(4) pls help me

Mathematics

2 answers:

mixer [17]2 years ago

8 0

Answer:

Step-by-step explanation:

sveticcg [70]2 years ago

5 0

If youre multiplyyng the 3 numbers and then add the one it should be 25?

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What is the measurement of N?<br> A) 17° <br> B) 18° <br> C) 20° <br> D) 45°

maxonik [38]

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it is 18

Step-by-step explanation:

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2 years ago

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What is the slope of y=-1/3x+4the slope of y=-1/3x+4

charle [14.2K]

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-1/3

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2 years ago

Randomly distributing 45 pencils and 35 markers to his students. what is the probability that the first item he hands out will

Dominik [7]

If he hands out pencils will be 45/80 =
If he hands out markers will be 35/80

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2 years ago

Solve the triangle A = 2 B = 9 C =8

VARVARA [1.3K]

Answer:

$\begin{gathered} A=\text{ 12}\degree \\ B=\text{ 114}\degree \\ C=54\degree \end{gathered}$

Step-by-step explanation:

To calculate the angles of the given triangle, we can use the law of cosines:

$\begin{gathered} \cos (C)=\frac{a^2+b^2-c^2}{2ab} \\ \cos (A)=\frac{b^2+c^2-a^2}{2bc} \\ \cos (B)=\frac{c^2+a^2-b^2}{2ca} \end{gathered}$

Then, given the sides a=2, b=9, and c=8.

$\begin{gathered} \cos (A)=\frac{9^2+8^2-2^2}{2\cdot9\cdot8} \\ \cos (A)=\frac{141}{144} \\ A=\cos ^{-1}(\frac{141}{144}) \\ A=11.7 \\ \text{ Rounding to the nearest degree:} \\ A=12º \end{gathered}$

For B:

$\begin{gathered} \cos (B)=\frac{8^2+2^2-9^2}{2\cdot8\cdot2} \\ \cos (B)=\frac{13}{32} \\ B=\cos ^{-1}(\frac{13}{32}) \\ B=113.9\degree \\ \text{Rounding:} \\ B=114\degree \end{gathered}$ $\begin{gathered} \cos (C)=\frac{2^2+9^2-8^2}{2\cdot2\cdot9} \\ \cos (C)=\frac{21}{36} \\ C=\cos ^{-1}(\frac{21}{36}) \\ C=54.3 \\ \text{Rounding:} \\ C=\text{ 54}\degree \end{gathered}$

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8 months ago

HELP I NEED HELP ASAP

Elis [28]

The answer i think is it c

4 0

2 years ago

Read 2 more answers

1 + (2)(3)(4) pls help me​

1 + (2)(3)(4) pls help me