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Zina [86]
3 years ago
5

If a temperature in degrees Celsius is given as C, finding the sum of 1.8 times C and 32 gives the temperature in degrees Fahren

heit. The temperature in degrees Fahrenheit is given by , and 40°C is equal to °F.
Mathematics
2 answers:
BigorU [14]3 years ago
8 0
F(C)=1.8C+32   so when C=40°

F(40)=1.8(40)+32

F(40)=72+32

F(40)=104°


aalyn [17]3 years ago
4 0

Answer:

The temperature in degrees Fahrenheit is given by

F=1,8*(C)+32

40°C is equal to 104°F

Step-by-step explanation:

We can find the formula to find the temperature in degrees Fahrenheit with the problem information, the temperature in degrees Fahrenheit is given by:

F=1,8*(C)+32 (1)

F: Temperature in degrees Fahrenheit

C: Temperature in degrees Celsius

Now, with the equation (1) e can find how many degrees Fahrenheit are 40 degrees Celsius.

We need to replace 40 °C in the equation (1)

F=1,8*(40)+32\\F= 72+32

F= 104 degrees Fahrenheit

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Follow this link to view juan’s work. critique juan’s work by justifying correct solutions and by explaining any errors he made.
AlladinOne [14]

Answer:

Step-by-step explanation:

Let the exponential function given in the picture is,

f(x) = a(b)ˣ

Here, a = Initial value

b = Base value

x = Exponent

Since, the graph passes through the points (0, 1) and (1, 3)

For (0, 1),

1 = a(b)⁰

a = 1

For (1, 3),

3 = 1(b)¹

b = 3

Therefore, equation of the given function will be,

f(x) = (3)ˣ

Therefore, Initial value = 1

Base = 3

Asymptote (Horizontal) → y = 0

Vertical asymptote → None

Domain → (-∞, ∞) Or {x | x ∈ R}

Range → (0, ∞) Or {y | y > 0}

Therefore, answers given by Juan are incorrect.

5 0
3 years ago
For the linear equation 3x + 7y = 42: a. Determine the slope: b. Determine y- intercept if it exists: c. Express equation in slo
algol13

Answer:  The required answers are

(a) the slope of the given line is -\dfrac{3}{7}.

(b) y-intercept exists and is equal to 6.

(c) the slope-intercept form of the line is y=-\dfrac{3}{7}x+6.

Step-by-step explanation:  We are given the following linear equation in two variables :

3x+7y=42~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

We are to :

(a) determine the slope,

(b) determine the y-intercept, if exists

and

(c) express equation in slope-intercept form.

We know that

The SLOPE_INTERCEPT form of the equation of a straight line is given by

y=mx+c, where m is the slope and c is the y-intercept of the line.

From equation (i), we have

3x+7y=42\\\\\Rightarrow 7y=-3x+42\\\\\Rightarrow y=\dfrac{-3x+42}{7}\\\\\\\Rightarrow y=-\dfrac{3}{7}x+6.

Comparing with the slope-intercept form, we get

\textup{slope, m}=-\dfrac{3}{7},\\\\\\\textup{y-intercept, c}=6.

Thus,

(a) the slope of the given line is -\dfrac{3}{7}.

(b) y-intercept exists and is equal to 6.

(c) the slope-intercept form of the line is y=-\dfrac{3}{7}x+6.

3 0
4 years ago
Use rounding to estimate the product of 5, 555 and 4, 444. Round both numbers to the nearest thousand to find your answer.
uranmaximum [27]

Step-by-step explanation:

5,555 can be rounded up to 6,000 because the 5 next to the five thousand will make it go up. while the 4,444 will round to 4,000 . I don't have a clear answer but I hope this helps.

8 0
3 years ago
Mae Ling earns a weekly salary of 325$ plus a 6.5% commission on sales at a gift shop. how much would she make in a work eek if
REY [17]
6.5% of 4,800= 312
325+312= 637
$637
5 0
3 years ago
Read 2 more answers
Need help with trig question
Solnce55 [7]

Answer:

  0 +256i

Step-by-step explanation:

According to Euler's formula, ...

  (4 cis π/8)^4 = (4^4) cis (4×π/8) = 256 cis π/2 = 0 +256i

_____

"cis" is an abbreviation sometimes used for "cosine + i×sine". It simplifies writing the expression. Engineers sometimes simplify it further, writing 4∠(π/8) for the expression in this problem statement.

5 0
3 years ago
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