3t<-15 a. t<-5 b. t>-5 c. t<-45 d. t>-45

Answers

Answer 1

Answer: 3t<-15 solve for t

divide both sides by 3
3t/3 < -15/3

Simplify
t < -5

Anser is a. t<-5

Answer 2

Answer: If 3t < -15 all you need to do is divide by 3 on both sides,

t < -5

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Which trinomial is equivalent to (3x-1)(x+4)

Answers

Foil this out.
first 3x*x outer
3x*4 Inner
-1*x last -1*4 multiply,
combine like terms, and you'll have your answer

(3x - 1)(x +4)=
= 3x * x + 3x * 4 - 1 * x - 1 * 4 =
= 3x^2 + 12x - x - 4 =
= 3x^2 + 11x - 4

How many times can 18 go into 144

Answers

8 times because you divide 144 by 18 and the answer would be 8 to check your answer you multiply 18 x 8 and the answer would be 144 so the answer to your question is 8! :)

Calculate the perimeter of the quadrilateral 2 cm 3 cm 2 cm 5 cm is it A. 10 cm B. 12 cm C. 24 cm D. 60 cm

Answers

P = 2 + 3 + 2 + 5 , where P is the perimeter;
P = 12 cm;
The correct answer is B.

Solve the system of equations.2.5y + 3x = 27
5x – 2.5y = 5

What equation is the result of adding the two equations?

What is the solution to the system?

Answers

If you put them together, +2.5y and -2.5y neutralize themselves while 5x and 3x become 8x.

2.5y + 3x = 27
5x – 2.5y = 5

8x = 32
x = 4

2.5y + 3x4 = 27
2.5y + 12 = 27
2.5y = 27-12
2.5y = 15
y = 15/2.5
y = 6

X = 4
Y = 6

Answer:

x=4 Y=6

Step-by-step explanation:

Divide 12 sweets in the ratio 5:1

Answers

Answer:

2.4

Step-by-step explanation:

Sheila bought 10 1⁄2 oz of almonds for $3.36. How much did the almonds cost per ounce?

Answers

3.36/10.5 = 0.32

It costs $0.32 an ounce

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Y varies directly with X and has a constant rate of change of 6. When the value of Y is 11, then the value of X could be _____.equal to zero less than 2 equal to 6 greater than 11