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poizon [28]
2 years ago
12

Nine times the sum of a number and eleven is -108. What is the number?

Mathematics
1 answer:
katovenus [111]2 years ago
8 0

Answer:

So like I shouldn't represent with a letter? I should use 2?

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Calculate the exact value of cos(a−b) given that sin a=12/13 with π/2
Lady bird [3.3K]

Answer:

Step-by-step explanation:

sin ~a=\frac{12}{13} ,\frac{\pi}{2}

8 0
3 years ago
Factor −1/4 out of −1/2x−5/4y. The factored expression is .
Olegator [25]

Answer:

  (-1/4)(2x +5y)

Step-by-step explanation:

Multiply and divide by -1/4:

  -\frac{1}{2}x-\frac{5}{4}y=\dfrac{(-\frac{1}{4})(-\frac{1}{2}x-\frac{5}{4}y)}{-\frac{1}{4}}=\left(-\dfrac{1}{4}\right)(-4)\left(-\dfrac{1}{2}x-\dfrac{5}{4}y\right)\\\\=\left(-\dfrac{1}{4}\right)\left(2x+5y)

7 0
3 years ago
Rate (R) = 25/3<br>Interest = Rs. 350<br>(d) Principal = Rs. 2400<br><br>Find the time (t) ​
julia-pushkina [17]

Answer:

The value of t is 1.75 years.

Step-by-step explanation:

Given that simple interest formula is I = (P×R×T)/100. So you have to substitute the following values into the formula :

i =  \frac{prt}{100}

let \: i = 350,p = 2400,r =  \frac{25}{3}

350 =  \frac{2400 \times  \frac{25}{3} \times t }{100}

350 =  \frac{20000t}{100}

350 \times 100 = 20000t

20000t = 35000

t = 35000 \div 20000

t = 35 \div 20

t = 1.75 \: years

8 0
3 years ago
Determine whether this is valid or invalid argument
Goryan [66]

Answer:valid

Step-by-step explanation:

6 0
2 years ago
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aleksley [76]

Answer:

x^3 - 3x^2 +2x

Step-by-step explanation:

Use the distributive property

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2 years ago
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