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Gnesinka [82]
3 years ago
6

the current temperature in smalltown is 20 degrees fahrenheit. this is 6 degrees less than twice the temperature that it was six

hours ago. what was the temperature in smalltown six hours ago?
Mathematics
1 answer:
Fed [463]3 years ago
7 0
The answer should be 4.

Divide 20 by 2. Thus then you subtract 6.

Your final answer is 4.
20  \div 2  - 6
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Answer:

587.56

Step-by-step explanation:

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One angle in a triangle has a measure of 87 degrees. What can you conclude about the other two angles?
Dominik [7]

Answer:

the sum of the other two angle is 93

Step-by-step explanation:

180-87=93

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4 years ago
Solve the inequality <br><br><br> what is the solution?
bija089 [108]

Answer:

The solution to the inequality is:

2\ge \frac{g}{-4}\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:g\ge \:-8\:\\ \:\mathrm{Interval\:Notation:}&\:[-8,\:\infty \:)\end{bmatrix}

Please also check the graph of the solution to the inequality.

Step-by-step explanation:

Given the inequality

2\ge \frac{g}{-4}

switch sides

\frac{g}{-4}\le \:2

Multiply both sides by -1 (reverse the inequality)

\frac{g\left(-1\right)}{-4}\ge \:2\left(-1\right)

Simplify

\frac{g}{4}\ge \:-2

Multiply both sides by 4

\frac{4g}{4}\ge \:4\left(-2\right)

Simplify

g\ge \:-8

Therefore, the solution to the inequality is:

2\ge \frac{g}{-4}\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:g\ge \:-8\:\\ \:\mathrm{Interval\:Notation:}&\:[-8,\:\infty \:)\end{bmatrix}

Please also check the graph of the solution to the inequality.

3 0
3 years ago
What is the equation of the ellipse with foci at (5, 0), (-5, 0) and vertices (9, 0), (-9, 0)?
forsale [732]

Answer: \dfrac{x^2}{81}+\dfrac{y^2}{56}=1

Step-by-step explanation:

General equation of ellipse : \dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}

Given: Vertices of ellipse : (± 9,0)

Since the vertices are of the form (± a, 0).

i.e. a=9

Thus, the major axis is along x-axis.

Also, foci of the ellipse = (±5,0)

Since, foci is of the form (± c,0), i.e. c=5

Since

c^2=a^2-b^2\\\\\Rightarrow\ 5^2= 9^2-b^2\\\\\Rightarrow\ b^2=81-25\\\\\Rightarrow\ b^2=56

Equation of ellipse :

\dfrac{x^2}{9^2}+\dfrac{y^2}{56}=1\\\\\Rightarrow\ \dfrac{x^2}{81}+\dfrac{y^2}{56}=1

Hence, the required equation : \dfrac{x^2}{81}+\dfrac{y^2}{56}=1

8 0
4 years ago
Based on the graph, is there an association between
zhuklara [117]

Answer: There is an association because the distribution of correct guesses is the same among the mint groups.

Step-by-step explanation:

We would have to see the graph but I know it's either B or C because the other answer choices don't make sense. I chose B because it seems like the most logical choice of the two.

3 0
3 years ago
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