One reading at an Arctic research station showed that the temperature was -35 Celsius.what is this temperature in degrees Fahreheit

Answers

Answer 1

Answer: -31F because of the formula.
-35°C multiplied by 9/5 +32 = -31°F
~JZ
Hope it helps

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Solve each question for x.
xe^-x+7e^-x=0

Answers

Answer:

x=-7

Step-by-step explanation:

xe^-x+7e^-x=0

factor out the e^-x

e^-x(x+7)=0

e^-x=0, x+7=0

-x=ln(0), x=0-7=-7,

since ln(0) is undefined,

the only solution is -7.

I need help with estimating, then finding the quotient and write the remainder if any as a fraction?

Answers

When estimating, you want to round the dividend and the divisor to the nearest time table number (i.e. 5700 --> 5400). Finding the quotient is easier when you estimate. Writing the remainder as a fraction is simple. First, get your remainder and your divisor, then make it to a fraction.

ex:

If you get a remainder of 3, and have a divisor if 12, your remainder would be 3/12, or 1/4.

Solve for x.
−7.8(x+6.5)=−25.74
Enter your answer, as a decimal, in the box.

Answers

−7.8(x+6.5)=−25.74
-7.8x - 50.7 = -25.74
-7.8x = -25.74 + 50.7
-7.8x = 24.96
x = 24.96/-7.8
x = -3.2

Write the equation and solve: eight more than the sum of a number and 5 is 20

Answers

Greetings!

You can solve this with a simple equation:

Take the letter x to be the unknown number:

20 = 8+ (X + 5)

Then you can move the 8 + to the opposite side making it a negative 8:

20-8 = X + 5

12 = X + 5

Move the +5 over to the other side, making it a negative 5:

12 - 5 = x

7 = x

So the value of x is 7.

Hope this helps!

A car painting company has determined that the painting time of cars is uniformly distributed between 25 and 105 minutes. What is the probability that it will take between 40 and 65 minutes for that company to paint a car

Answers

Answer:

$P=(5)/(16)$

Step-by-step explanation:

For a uniform distribution we have to:

$P (X\leq x) =(x-a)/(b-a)$ for x∈ (a, b)

$P (X\leq x) =0}$ for $x\leq a$

$P (X\leq x) =1}$ for $x\geq b$

In this case we have to:

a = 25 min and b = 105 min

We want to find:

$P (40 \leq X \leq 65)$

Then

$P (x_1 \leq X \leq x_2) = P(X \leq x_2) - P(X \leq x_1)$

$P (x_1 \leq X \leq x_2)= (x_2 -x_1)/(b-a)$

In this case:

$x_2 = 65\n\nx_1=40$

Therefore:

$P (40 \leq X \leq 65)=(65 -40)/(105-25)$

$P (40 \leq X \leq 65)=(25)/(80)$

$P (40 \leq X \leq 65)=(5)/(16)$

a chef prepared 7 eighths pound of pasta. how many 1 fourth pound servings are in 7 eighths pound of pasta.

Answers

To do this, imagine 2/8 for 1/4

So, how many 2/8 are there in 7/8??

3

Therefore, there are 3 of the 1/4 lb servings
in 7 eighths pound of pasta.

Hope this helped!!

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