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Ostrovityanka [42]
2 years ago
5

64x-16 I need 3 equivalent expressions

Mathematics
1 answer:
Daniel [21]2 years ago
6 0

Answer:

8 (8x - 2)

(64) x X - 16

4 (16 x- 4)

Step-by-step explanation:

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QUICK!! 18x^2+21x-60=0 pls give me the steps as well
Anton [14]

Answer:

<h2>x1 =  -  \frac{5}{2}</h2>

x2 =  \frac{4}{3}

Step-by-step explanation:

18 {x}^{2}  + 21x - 60 = 0

Divide both sides of the equation by 3

6 {x}^{2}  + 7x - 20 = 0

Write 7x as a difference

6 {x}^{2}  + 15x - 8x - 20 = 0

Factor out 3x from the expression

3x(2x + 5) - 8x - 20 = 0

Factor out -4 from the expression

3x(2x + 5) - 4(2x + 5) = 0

Factor out 2x + 5 from the expression

(2x + 5)(3x - 4) = 0

When the product of factors equals 0 , at least one factor is 0

2x + 5 = 0

3x - 4 = 0

Solve the equation for X

2x + 5 = 0

Move constant to R.H.S and change its sign

2x = 0 - 5

Calculate the difference

2x  =  - 5

Divide both sides of the equation by 2

\frac{2x}{2}  =  \frac{ - 5}{2}

Calculate

x 1=  -  \frac{5}{2}

Again,

3x - 4 = 0

Move constant to RHS and change its sign

3x = 0 + 4

Calculate the sum

3x = 4

divide both sides of the equation by 3

\frac{3x}{3}  =  \frac{4}{3}

Calculate

x 2=  \frac{4}{3}

Hope this helps..

Best regards!!

5 0
3 years ago
Read 2 more answers
There is a line whose slope is 1/6 and whose y-intercept is 4. what is its equation in slope intetecept form?
Stolb23 [73]
Answer:
y = \frac{1}{6} x + 4

Explanation:
The equation of the lone has a general formula:
y = mx + c
where:
m is the slope of the line = 1/6
c is the y-intercept = 4

Substitute with the givens in the above formula to get the equation as follows:
y = mx + c
y = \frac{1}{6} x + 4

Hope this helps :)
6 0
3 years ago
Read 2 more answers
Use the formula for continuous compounding to compute the balance in the account after 1, 5, and 20 years.? Also, find the APY f
taurus [48]

Answer:

Step-by-step explanation:

Check the attachment

5 0
3 years ago
Please help me im dumb..:)
scoundrel [369]

Answer:

The first choice

Step-by-step explanation:

4 0
3 years ago
Under standard atmospheric conditions, water will not remain a liquid if its temperature is less than or equal to 0°C or if it i
pogonyaev

Answer: +80°C or -20°C

Step-by-step explanation:

This is the answer because if you add 80 then it will equal 100°C and freeze and if 20°C is taken away it will equal 0°C and freeze.

5 0
1 year ago
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