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marta [7]
3 years ago
6

Evaluate the expression 3c +7d when c = 3 and d =2

Mathematics
2 answers:
Natalka [10]3 years ago
5 0
The answer to this is 23
Lady bird [3.3K]3 years ago
3 0
I got 23.

When a variable is directly next to a number, that means multiplication. Using simple order of operations, 3 x 3 = 9 and 7 x 2 = 14, your answer is 23.
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(2,-2) and (4,1).<br> Y=
Art [367]

Answer:

I don't really understand but, the Y coordinate is always on the right side so therefore y= -2, and 1

(xYz)

3 0
3 years ago
What is the area, in square feet, of the trapezoid below?
PtichkaEL [24]

Answer:  " 94. 6  ft² ".
_____________________

<u>Step-by-step explanation</u>:

The formula for the area of a trapezoid:
______________________
A = (1/2) * (b1 + b2) * (perpendicular height, "h" ) ;

      in which:
______________________
 "A = area (in units of ft²) "

 "b1 = length of (base one) = 7.7 ft (from diagram) ;  

 "b2 = length of (base two—the other base) = 14.3 ft. ;
 "h = height (perpendicular) = 8.6 ft.
_______________________

To solve for the Area, "A" ; we plug in the known values:
_______________________
A = (1/2) * (b1 + b2) * (perpendicular height, "h" );

   =  (1/2) * (7.7 ft + 14.3 ft) * (8.6 ft) ;

  = (1/2) * (22 ft.) * (8.6 ft) ;

  = (11 ft.) * (8.6 ft.) ;

   = (11) * (8.6) * (ft.) * (ft.) ;

   = (11) * (8.6) * ft² ;

A  =   " 94. 6  ft² ".

_______________________
Hope this is helpful to you!
  Best wishes!
________________________

8 0
2 years ago
Hiiii need help again :( sorry but uh it’s all in the pic &lt;3
Ira Lisetskai [31]

Answer:

Hello! Mizuki here to help

The correct answer would be B

Step-by-step explanation:

Number of people who didn't get flu and weren't vaccinated:115

7 0
2 years ago
PLS HELP! I WILL TEACH YOU HOW TO SOLVE YOU JUST HAVE TO SOLVE
Rama09 [41]

Answer:

I do not know what math curriculum this is I'm sorry

8 0
2 years ago
Please help me find x
Ghella [55]

Answer:

x = 53

Step-by-step explanation:

Remember that the sum of all 3 interior angles in a triangle is 180∘ so

74 + x + x = 180

74 + 2x = 180

2x = 180 - 74

2x = 106

x = 106/2

x = 53

3 0
3 years ago
Read 2 more answers
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