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mel-nik [20]
3 years ago
7

3. Complete the equation so it has infinitely many solutions. 3(2 + x) = 3x +

Mathematics
1 answer:
Luden [163]3 years ago
7 0

Answer: 3x + 6

Step-by-step explanation:

You are using the distributive property so you already multiplied 3 and x so you just do the with 3 and 2 . You get six since the coefficient can't go into six that's your answer

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Can someone please help me with this ?!!
bija089 [108]

Answer:

I believe the answer is B

Step-by-step explanation:

8 0
3 years ago
2/3 of the cost of the sweater is $18
blagie [28]
The total of the sweater is $27. 
Divide 18/1 by 2/3. You would get 27. Which means 1/3 of the sweater is $9. 
And 2/3 would be $18.
3 0
3 years ago
On a string of red and blue lights, the red lights blink everyb3 seconds, and the blue lights blink every 5 seconds. How many ti
yuradex [85]
When will they blink together?
what is the smallest number they both mutiply to
3*5=15
so every 15 seconds
so at 15, 30, 45, 60 seconds
so 4 times if you count the time exactly at 1 minute
5 0
4 years ago
Please answer thank you
Alchen [17]
-x - 9 \geq 5

You want to get x by itself.

First subtract 9 from both sides of the equation.

-x - 9 \geq 5
    +9                 +9

-x \geq 14

Then divide -1 on both sides.

-x/-1 \geq 14/-1

I'm pretty sure when you divide a negative number when solving inequalities, you switch the sign.

x \leq 5

8 0
3 years ago
A veterinarian will prescribe an antibiotic to a dog based on its weight. The effective dosage of the antibiotic is given by d ≥
gregori [183]

Answer:

B) (35, 260)

Step-by-step explanation:

A veterinarian will prescribe an antibiotic to a dog based on its weight. The effective dosage of the antibiotic is given by d ≥ 1∕5w2, where d is dosage in milligrams and w is the dog's weight in pounds. Which of the following ordered pairs gives an effective dosage of antibiotics for a 35-pound dog?

A) (35, 240)

B) (35, 260)

C) (260, 35)

D) (240, 35)

Ordered pairs is composed of pairs, usually an x coordinate and a y coordinate. It refers to a location of a point on the coordinate. It matches numbers to functions or relations.

Given the relation between d is dosage in milligrams and w is the dog's weight in pounds as d ≥ 1∕5w²

For a 35 pound dog (i.e w = 35 pound). The dosage is given as:

d ≥ 1∕5(35)² ≥ 245 milligrams.

For an ordered pair (x, y), x is the independent variable (input) and y is the dependent variable (output).

The dog weight is the independent variable and the dosage is the dependent variable.

From the ordered pairs, the best option is (35, 260) because 260 ≥ 240

6 0
3 years ago
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