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Alja [10]
3 years ago
10

Answer two questions about equation a and b. a. x/4 + 1= -3 b x+4 = -12

Mathematics
1 answer:
yuradex [85]3 years ago
3 0

Answer:

B A)x(4B + A) (1 x)(x 4) (А - B)x + (44 + B) (1 x)(x4) 5х + 10 (1 x)(x 4) + А + В 5 b.

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Three ventilation fans, each working alone, can clear the smoke out of a room in 12 hours, 16 hours, and 24 hours respectively.
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(use at own risk) either 16 17 or 17.3 hours
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a dog walk is used in a dog agility competition in this dog walk each ramp makes an angle of 30 degrees with the ground how long
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Step-by-step explanation:

8 0
3 years ago
Denise is designing the seating arrangement for a concert an outdoor theater. To give everyone a good view, each row must have 6
vesna_86 [32]
This is an Arithmetic Progression with 1st term 11 and common difference d=6

Number of Rows     Number of seats      Common difference " d" 
-----------------------     -----------------------     -------------------------------------
1st                                  a₁     = 11                                 
2nd                                 a₁+d =17               d =2nd - 1st = 6
3rd                                  a₁ +2d = 23           d =3rd - 2nd = 6
4th                                  a₁ +3d = 29            d= 4th - 3rd = 6
-------------------------------------------------------------------------------
nth ROW                         a(n) = a₁ + (n-1)d
18th ROW                       a₁₈ =   11 + (18-1).6 = 11+(17)(6) = 113 

General equation to predict the number of seat an the nth row:
Number of seats in nth row = a₁ + (n-1).d
8 0
4 years ago
Giovanna and Janet both have jobs where they get paid by the hour. Below are the numbers of hours each have worked on each of th
e-lub [12.9K]

Answer:

Janet makes 9 dollars per hour which is more that Giovanna makes.

Step-by-step explanation:

Its very simple

All you have to do is divide  like Giovanna make 42 dollars every 6 hours

42/6=7

Also for Janet she makes 54 dollars every 6 hours

54/6=9

8 0
3 years ago
Explain how you would use addition to find the product of –2 and 5 using the integer tiles and the number line.
Firdavs [7]

Answer:

Product of -2 and 5 is -2 times 5, or 5 times -2 (5 * -2).

You can think of this as 5 lots of -2.

If each (-) is a negative,

-2 = (-)(-)

5* -2 =

(-)(-) (-)(-) (-)(-)

(-)(-) (-)(-)

= -10

Step-by-step explanation:

(( I might be wrong- If I am I shall give u a pretty picture~ <3 ))

5 0
3 years ago
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