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grandymaker [24]
2 years ago
11

Which values of x are solutions to the equation below?

Mathematics
1 answer:
Anuta_ua [19.1K]2 years ago
3 0

Answer:

-5,5

Step-by-step explanation:

move the constant to the right to make it

3x^2=33+42

3x^2=75

divide both sides by 3

x^2=25

sq root of 25 is 5 and -5

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Tobeg says the equation 3x + 2y= 270 and y=4/5x + 20 intersect at the point (50,60) is this true how do you know
il63 [147K]

ANSWER

Yes it is very true


<u>EXPLANATION</u>

If the two equations intersect at (50,60) then this point must satisfy the two equations.


3x+2y=270---(1)

We substitute  (50,60)  in to erquation (1)


3(50)+2(60)=270


150+120=270

270=270




y=\frac{4}{5}x+20 ---(2)


We now substitute  (50,60)  in to erquation (2) also


60=\frac{4}{5}(50)+20


60=40+20


60=60


Since the point satisfy all the two equations, it is true that they intersect at (60,50)




3 0
3 years ago
× + 3/ 2 = × + 8/ 7<br> Solve for x
Illusion [34]

Answer:

depending on the form of how your question is actually written .. The answer will either be :

x= -1

or

There are no values of x that make the equation true. No solution.

Step-by-step explanation:

Hope this helps

4 0
3 years ago
Kaitlyn bought $34.40 worth of compact disc the sales tax is 6.5% what was the total cost rounded to the nearest tenth
klasskru [66]
The final cost would be $36.64
3 0
3 years ago
Read 2 more answers
Please solve B, C, D, E, and F and I will give Brainliest!
kykrilka [37]

Answer:

a. 125

b. 25/64

c. 0.25

d. 343

e. 49/4

f. 0.81

Step-by-step explanation:

multiply by the same number by the amount of times the power tells you

b. 5*5 = 25         8*8= 64

c. 5*5 = 25         0.5*0.5 = 0.25

d. 7*7*7 = 343

e. 7*7 = 49         2*2= 4

f. 9*9 = 81        0.9*0.9= 0.81

5 0
2 years ago
A small business earns a profit of $4,500 in
olchik [2.2K]

Answer:

$2750/month

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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