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otez555 [7]
3 years ago
14

(7−4n)⋅6 Apply the distributive property to create an equivalent expression.

Mathematics
1 answer:
avanturin [10]3 years ago
7 0

Answer:

42-24n

Step-by-step explanation:

(7 - 4n) . 6

= (7)(6) - (4n)(6) ...........using distributive property, multiply each term by (6)

= 42 -24n (answer)

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Travis has decided to budget his spending money. He can spend no more
Oxana [17]

x + 4.3x \leq 125.75 is the inequality that describes this problem

<h3><u>Solution:</u></h3>

Given that Travis can spend no more  than $125.75 every month

To find: linear inequality that describes the problem

Let the amount spent on movies = x dollars

Given that Travis decided to spend 4.3 times as much  money on video games as he spends on movies

Amount spent on video games = 4.3 (amount spent on movies)

Amount spent on video games = 4.3x

Travis can spend no more than $125.75.  That is, he can spend less than or equal to $125.75

<em><u>Thus, the inequality representing the situation is:</u></em>

\text{ Amount spent on movies + Amount spent on video games } \leq 125.75

x + 4.3x \leq 125.75

Thus the required inequality is found

6 0
3 years ago
PLSSSSSSSSSSSSSSSSSSSSSSSSSS ANSWER THIS
postnew [5]

Step-by-step explanation:

(a.y^{3} +3y^{2} -3 ) = (ay^{2} +(4a+3)y +4(4a+3))(y-4) +64a+45

so A = 64a +45

(2y^{3} -5y+a =(2y^{2} +8y +27)(y-4) +108 +a

so B = 108 +a

2A-B=0--> 2(64a+45)-108-a=0--> a =18/127

7 0
3 years ago
Three students used factoring to solve a quadratic equation.
DedPeter [7]

Answer:

The solution was solved correctly by Keith

The solutions of the equation are x=-5,x=-12

Step-by-step explanation:

we have

x^{2}+17x+72=12

Group terms that contain the same variable, and move the constant to the opposite side of the equation

x^{2}+17x=12-72

x^{2}+17x=-60

Complete the square. Remember to balance the equation by adding the same constants to each side.

x^{2}+17x+8.5^{2} =-60+8.5^{2}

x^{2}+17x+72.25 =12.25

Rewrite as perfect squares

(x+8.5)^{2}=12.25

square root both sides

(x+8.5)=(+/-)3.5

x=-8.5(+/-)3.5

x=-8.5(+)3.5=-5

x=-8.5(-)3.5=-12

The solution was solved correctly by Keith

The solutions of the equation are x=-5,x=-12

3 0
4 years ago
Can somebody help me with this I need this grade!!!!
Vilka [71]

Answer: 3xy^2 - 3x^2 -1

Step-by-step explanation:

5xy^2 - 2xy^2 = 3xy^2

3x^2 becomes negative due to the negative out in front of the parenthesis

-2y^2 + 2y^2 = 0

-8+7 = -1

5 0
3 years ago
Solve by substitution<br> x = y - 3<br> 2x + y = 12<br><br> Help!!
Karo-lina-s [1.5K]
Let's plug in what x =, y-3 into 2x+y=12
2 (y-3)+y=12
distribute 2 to both y and -3
2y-6+y=12
add all ys
3y-6=12
+6 both sides
3y=18
÷3 both sides

y=6

plug in y into x=y-3 to find x
x=6-3
x=3
5 0
4 years ago
Read 2 more answers
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