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Shtirlitz [24]
4 years ago
15

Pls answer this question as soon as possible​

Mathematics
1 answer:
jeka57 [31]4 years ago
6 0

Answer:

The answer is -½.

✌ yeah it is ✌

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Is 3.50s+5.00L less than or equal to 80 a system of linear inequalities
kirill [66]

Answer:

I would go with less than

i hope this helps




4 0
3 years ago
I NEED HELP ASAP !!!!
mestny [16]
D would me the answer I just took the assignment
8 0
4 years ago
What’s the answer to this question ?
PilotLPTM [1.2K]

Answer:

y=60h+2.5

Step-by-step explanation:

6 0
3 years ago
20.) A=49.23 degrees, c=54.8Solve the right triangle. Express angles in decimal degrees.
vivado [14]

\begin{gathered} a=41.50 \\ b=35.78 \\ B=40.76\text{ \degree} \\  \end{gathered}

Explanation

Step 1

a) let

\begin{gathered} A=49.23\text{ \degree} \\ c=54.8\text{ \degree} \end{gathered}

b) b value

to find the measure of side b we can use cosine function

\begin{gathered} cos\theta=\frac{adjacent\text{ side}}{hypotenuse} \\ replace \\ cos\text{ 49.23=}\frac{b}{54.8} \\ b=54.8*cos49.23 \\ b=35.78 \end{gathered}

c) angle B

to find the measure of Angle B we can use sine function

\begin{gathered} sin\theta=\frac{opposite\text{  side}}{hypotenuse} \\ replace \\ sin\text{ B=}\frac{35.78}{54.8} \\ sin\text{ B= 0.65}\Rightarrow inverse\text{ function to isolate B} \\ B=\sin^{-1}(0.65) \\ B=40.76 \end{gathered}

d) side a

\begin{gathered} sin\theta=\frac{opposite\text{ side}}{hypotenuse} \\ sin\text{ A=}\frac{a}{c}=\frac{\placeholder{⬚}}{\placeholder{⬚}} \\ sin\text{ 49.23=}\frac{a}{54.8} \\ multiply\text{ both sides by 54.8} \\ 54.8s\imaginaryI n\text{49.23=}\frac{a}{54.8}*54.8 \\ 41.50=a \end{gathered}

so, the answer is

\begin{gathered} a=41.50 \\ b=35.78 \\ B=40.76\text{ \degree} \\  \end{gathered}

I hope this helps you

7 0
1 year ago
What is the margin of error for a sample statistic for a population with a standard deviation of 7.75?
3241004551 [841]

Answer:

Margin of Error  = 1.96 \times 7.75 = 15.19

Step-by-step explanation:

i) Margin of Error of a population with a standard deviation of 7.75?

ii) Let us assume a two tailed test with a 95% confidence interval

iii) Z_{\frac{\alpha }{2} }  = Z_{\frac{\ 0.05 }{2} } = Z_{0.025} = 1.96

iv) therefore Margin of Error  = 1.96 \times 7.75 = 15.19

6 0
3 years ago
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