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myrzilka [38]
3 years ago
8

What is the solution to this system? Y=-5x+8,y=11/7x-4/7

Mathematics
1 answer:
Sveta_85 [38]3 years ago
4 0

Answer:

Step-by-step explanation:

hello : the system is : y =-5x+8...(*)

                                  y =11/7x-4/7 ...(**)  

by (*) and (**) : 11/7x-4/7 = -5x+8

multiply by 7 : 11x-4 = -35x+56

11x+35x = 56+4

46x = 60

x = 60/46 = 30/23

continu.....put the value for x in (*) or (**)

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32 assignments have been turned in. 14 didn't have names. The rest were put into 3 equal piles to grade over 3 days. How many as
denpristay [2]
Answer: is 6 because if you take away 32 and 14 you will get 18 and if you divide 18 into 3 equal piles for three days you will get 6.......graded assignments

Your Welcome:)
6 0
3 years ago
Evalute the expression. 80 + (8x4) divided by 2
dexar [7]

Answer:

If you meant [80 + (8*4) ]/2,  then  [80 + (8*4) ]/2=56

or if you meant 80 +  [ 8*4 /  2], then 80 +  [ 8*4 /  2] = 96

Step-by-step explanation:

Evalute the expression. 80 + (8x4) divided by 2

so do you mean

the whole expression 80 + (8x4)   is  over  2 ?

If so then:

evaluate  8x4  =  8 * 4 = 32.

so   we have 80 + (8x4)   is  over  2  =  (80 + 32)/2 = 112/2 = 56

If you meant  80 +  [ 8*4 /  2]

then  80 +  [ 8*4 /  2] = 80 + 8*2 = 80 + 16 = 96

4 0
4 years ago
Read 2 more answers
Kyle incorrectly says that the product of - ( - 6 ) # ( - 1 ) is 6 . 11. After a recycling awareness program, the number of tons
GaryK [48]

Complete question:

Kyle incorrectly says that the product of - ( - 6 ) # ( - 1 ) is 6 . 11. After a recycling awareness program, the number of tons of recyclable material taken to the landfill is reduced by 13 7/10 tons per month. Represent the total change in the tons of recyclable material taken to the landfill after 7 months resulting from the awareness program a. What is the correct product? 10 month. Represent the total change in the b. What was Kyle's likely error?

Answer:

Kindly check explanation

Step-by-step explanation:

Given that :

Kyle incorrectly says that the product of - ( - 6 ) ( - 1 ) is 6

-(-6)(-1) = 6 [incorrect]

Correction:

-(-6) (-1) :

- (-6) = 6

6 (-1) = - 6

Given that reduction in materials = 13 7/10 tons per month

Monthly reduction = 13 7/10 = 137/10 tons

After 7 months : (7 * 137/10) = 959/10 tons = 95.9 tons

Change in amount of material taken to the land fill:

Initial amount - amount after 7 months

If initial amount = x

Change in amonnt = (x - 95.9) tons

8 0
3 years ago
Please I need help!!
elixir [45]

Answer:

Min:3 Q:66-9 Med:9 Q3:10-14 Max19

8 0
2 years ago
Can someone help me fast thanks so much i need help on this math problem thanks again:)
azamat
  28.0
+14.2  =  42.2 could i plz get a brainleist  i really need it
8 0
3 years ago
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