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3 years ago

Which error did Kevin make?

Mathematics

2 answers:

Len [333]3 years ago

6 0

Answer: A

(He has the side lengths in the wrong place in the cosine ratio)

kvasek [131]3 years ago

6 0

Answer:

He has the side lengths in the wrong place in the cosine ratio.

Step-by-step explanation:

e2020

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What is the average rate of change of the function f(x)=2(3)x from x = 2 to x = 4?

Dvinal [7]

this is kinda easy and im gonna assume that the 4 is a exponent cuz f(2)=2(3)^4 then f=81

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4 years ago

2 2/3 + 12 6/8 how do I work this

barxatty [35]

Answer:

$\large\boxed{2\dfrac{2}{3}+12\dfrac{6}{8}=15\dfrac{5}{12}}$

Step-by-step explanation:

$2\dfrac{2}{3}+12\dfrac{6}{8}=2\dfrac{2}{3}+12\dfrac{6:2}{8:2}=2\dfrac{2}{3}+12\dfrac{3}{4}\\\\\text{Find}\ LCD:\\\\\text{List of multiples of 3:}\ 0,\ 3,\ 6,\ 9,\ \boxed{12},\ 15,\ ...\\\text{List of multiples of 4:}\ 0,\ 4,\ 8,\ \boxed{12},\ 16,\ ...\\\\12=3\cdot4\\\\\text{therefore}\\\\\dfrac{2}{3}=\dfrac{2\cdot4}{3\cdot4}=\dfrac{8}{12}\\\\\dfrac{3}{4}=\dfrac{3\cdot3}{4\cdot3}=\dfrac{9}{12}\\\\2\dfrac{2}{3}+12\dfrac{3}{4}=2\dfrac{8}{12}+12\dfrac{9}{12}=(2+12)+\dfrac{8+9}{12}=14+\dfrac{17}{12}\\\\=14+1\dfrac{5}{12}=15\dfrac{5}{12}$

3 0

4 years ago

Express 5.1146• 10^3 in standard notation

charle [14.2K]

Answer:

5,114.6

Step-by-step explanation:

5.1146 x 10^3 means move decimal point 3 to the right to get the answer

4 0

3 years ago

Help please<br><br> 2+2-1-1+6=x

natita [175]

Answer:

$2+2-1-1+6=x : x = 8$

Step-by-step explanation:

$2+2-1-1+6=x\\$

Switch sides:

$x=2+2-1-1+6$

Add/Subtract the numbers: $2+2-1-1+6=8$

$x = 8$

Hope I helped, if so may I get brainliest and a thanks?

Thank you, have a good day! =)

8 0

3 years ago

Read 2 more answers

The length of a parking lot is 7 yards more than the width.If the area of the parking lot is 98 square yards,find the dimensions

USPshnik [31]

The parking lot is 14 yards long by 7 yards wide.

A = W x L The formula is ....

L = W + 7 The problem tells us that ...

A = W (W + 7)
A = w^2 + 7w
98 = w^2 + 7x
... continue from there

7 0

3 years ago