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Katen [24]
2 years ago
14

Guys Help me Does (4, 7) make the equation y = 2x + 7 true?

Mathematics
2 answers:
zimovet [89]2 years ago
6 0

Answer:

Tue equation is

y=2x+7

So, the answer is

(2,7)

And (4,7) is wrong

natka813 [3]2 years ago
3 0

Answer:

false

Step-by-step explanation:

x=4andy=7

2×4+7 isnot equal to 7

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A chemist has a solution of 65% pure acid and another solution of 30% pure acid. How many gallons of each will make 350 gallons
AysviL [449]

Answer:

250 of 65% acid

100 gallons of 30% acid

Really sorry if this is incorrect, I had this question on my Lesson 16 test, and I don't know if it's correct or not...

8 0
2 years ago
Read 2 more answers
How many triangles can the polygon below be divided into? A polygon with 10 sides. 6 7 8 9
Dominik [7]

Answer:

240

I think I'm not sure but try

8 0
3 years ago
What’s the answer to 2(4+9w)
maks197457 [2]

Answer:

8+18W

Step-by-step explanation:

distribute the 2 into the parentheses. 2×4 is 8 and 2×8 is 18.

3 0
3 years ago
Is 0.625 greater than 0.75
adell [148]

Answer:

no

Step-by-step explanation:

7 0
3 years ago
Which of the following are roots of the following polynomial x^3-11x^2+33x+45
Mandarinka [93]
For x^3-11x^2+33x+45 , we can make it an equation so <span>x^3-11x^2+33x+45=0. Next, we can find out if -1 or -3 is a factor. If -1 is a factor, than (x+1) is factorable. Using synthetic division, we get 

      x^2-12x+45
       ___ ________________________
x+1 | x^3-11x^2+33x+45

      - (x^3+x^2)
       _________________________
            -12x^2+33x+45
          - (-12x^2-12x)
          ______________
            45x+45
         -(45x+45)
___________
0


Since that works, it's either B or D. We just have to figure out when
</span> x^2-12x+45 equals 0, since there are 3 roots and we already found one. Using the quadratic formula, we end up getting (12+-sqrt(144-180))/2=
(12+-sqrt (-36))/2. Since sqrt(-36) is 6i, and 6i/2=3i, it's pretty clear that B is our answer
8 0
3 years ago
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