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DiKsa [7]
3 years ago
5

I need help with this asap plz

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
7 0

Answer:

x=-6

Step-by-step explanation:

64=-\frac{15}{4} (2x-\frac{2}{3} )-\frac{11}{4} x

64=-\frac{3*5}{2^2}(\frac{3(2x)+-2}{3})-\frac{11}{2^2}x

64=-\frac{3*5}{2^2}(\frac{3(2x)+-2}{3})-\frac{11x}{2^2}

x=-6

KonstantinChe [14]3 years ago
6 0

can't see the number thats on top of 4 at the end

if its 11 then the answer is x= -6

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): If (6x-3)(6x+3)=ax^2-b, what is the value of a? What is the value of b?
lesantik [10]
Answer: a = 36 and b = 9

Explanation:

(6x-3)(6x+3)

= 36x² - 18x - 18x - 9

= 36x² - 9



(6x-3)(6x+3) = ax² - b

36x² - 9 = ax² - b

a = 36 and b = 9

Hope it helps!
7 0
3 years ago
Are these numbers 7, 0, -3, 0.5, -3/4 rational or irrational?
Diano4ka-milaya [45]

Answer: rational

Step-by-step explanation: 7 has an answer example 7+1 is 8 irrational are the ones that dont get an answer like root numbers

7 0
4 years ago
Find f(5) please explain
kirza4 [7]

Answer:

-1

Step-by-step explanation:

A function is represented by the following symbol f(x) where f(x) further represents y like this ,

y=f(x)

so in this question they are asking what is f(5) which means when the value of x is 5 what is the value of y?

We can see in the graph when x = 5 the value of y is -1 to be exact so

f(5) = -1

or

y=f(x)\\-1 = f(5)\\

8 0
3 years ago
In order to solve the system of linear equations, the coefficients of one of the variables must be the same number but opposite
Mashutka [201]

Answer:

Step-by-step explanation:

because both equations do not have matching numbers for the x or y variable, and both equations are positive you are going to have to multiply each equation by a number  so that there will be at least one variable with the same number but with opposite signs.

it does not matter which variable you choose.

lets use y because 2 and 3 are smaller then 2 and 5.

so lets multiply the first equation by 2 in order to get y equal to 6.

2(2x)+2(3y)=(2)6

(do not forget to multiply what the equation is equal to also)

4x+6y=12

now for the second equation we need y to equal negative 6

-3(5x)+-3(2y)=-3(4)

-15x-6y=-12

now lets put the 2 new equations next to each other and see what we can cancel out

4x+6y=12

-15x-6y=-12

-11x=0

x=0

now plug 0 in for x and solve for y (it does not matter which of the 4 equations you choose to solve.

2(0)+3y=6

3y=6

y=2

so your answer is x=0, y=2

8 0
3 years ago
George and Chin work as landscapers. George charges $90 for a 6-hour job. Chin charges $84 for the same job.The table shows thei
gulaghasi [49]
The equation must equal 84, so you can eliminate B and D.

Chin charges a rate for 2 hours, then charges a reduced rate for 4 hours. There are no discounts present in his rate, so you can eliminate A.

The equation for Chin's charges can be found by the equation C. 2x + 4y = 84.
7 0
3 years ago
Read 2 more answers
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