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kozerog [31]
3 years ago
12

Convert: 76.8°f = ________ °c a. 21.5 b. 25 c. 170.24 d. 24.89

Mathematics
2 answers:
lesya [120]3 years ago
3 0
The answer to convert 76.8 fahrenheit to Celsius is D
 

PtichkaEL [24]3 years ago
3 0

Answer:  The correct option is (D) 24.89.

Step-by-step explanation:  We are given to convert 76.8° F to Celsius scale.

We know that

the formula for the conversion of Fahrenheit to Celsius scale is given by

T_c\\\\=(T_f-32)\times\dfrac{5}{9}.

For the given temperature,

T_f=76.8^\circ~F.

Therefore, the required temperature on Celsius scale will be

T_c\\\\=(T_f-32)\times\dfrac{5}{9}\\\\\\=(76.8-32)\times\dfrac{5}{9}\\\\\\=44.8\times\dfrac{5}{9}\\\\=24.89.

Thus,

76.8° F = 24.89° C.

Option (D) is CORRECT.

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jekas [21]

Given:

The figure of two parallel lines MP and QS.

A transversal line KL interests the two parallel lines.

m\angle KNM =146^\circ

To find:

The m\angle KRQ.

Solution:

If a transversal line intersect the two parallel lines, then the corresponding angles are congruent and their measures are equal.

In the given figure \angle KRQ and \angle KNM corresponding angles. It means their measures are equal.

m\angle KRQ=m\angle KNM

m\angle KRQ=146^\circ

Therefore, m\angle KRQ=146^\circ.

6 0
3 years ago
Rosana construindo um galinheiro no fundo de sua residencia utilizou 4 galoes para o transporte do material. Um dos galoes era f
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7 0
2 years ago
What the slope of(7,3) (6,-2)​
antoniya [11.8K]

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slope =  \frac{ - 2 - 3}{6 - 7}  \\

slope =  \frac{ - 5}{ - 1}  \\

slope = 5

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6 0
2 years ago
Find the slope of the lines. Are the 2 lines parallel or perpendicular? Explain how you can use the slope of two lines to tell i
rewona [7]

Answer:

slope = \frac{3}{7} and - \frac{7}{3}, perpendicular

Step-by-step explanation:

the equation of a line in slope-intercept form is

y = mx + c ( m is the slope and c the y-intercept )

y = \frac{3}{7} x + 11 is in this form with m = \frac{3}{7}

Rearrange 7x + 3y = 13 into this form

subtract 7x from both sides

3y = - 7x + 13 ( divide all terms by 3 )

y = - \frac{7}{3} x + \frac{13}{3} ← in slope- intercept form

with m = - \frac{7}{3}

• Parallel lines have equal slopes

• The product of perpendicular slopes = - 1

The lines are not parallel since slopes are not equal

\frac{3}{7} × - \frac{7}{3} = - 1

Hence lines are perpendicular



6 0
2 years ago
Solve the equation. –x 8 3x = x – 6 x = –18 x = –14 x = 2 x = 4
LenKa [72]

The value of the variable x in the equation –x + 8 + 3x = x – 6 is - 14.

<h3>How to find variable in an equation?</h3>

The variables of an equation can be found as follows:

–x + 8 + 3x = x – 6

The variable in the equation is x.

Therefore,

–x + 8 + 3x = x – 6

combine like terms on the left side

-x + 3x + 8 = x - 6

2x + 8 = x - 6

subtract x form both sides of the equation

2x - x + 8 = - 6

x + 8 = -6

subtract 8 from both sides

x = -6 - 8

x = - 14

learn more on equation here: brainly.com/question/1347990

#SPJ4

3 0
2 years ago
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