MATHEMATICS MIDDLE SCHOOL

What do you multiply -2 by to get -24

Answers

Answer 1
Answer:

Lets write this into an expression.

-2x = -24

Now, lets solve for x.

~Divide -2 to both sides

-2x/-2 = -24/-2

~Simplify

x = 12

Best of Luck!
Answer 2
Answer:

Answer:

The answer is 12

Step-by-step explanation:

Step 1:  Convert words into an equation

What do you is you multiply -2 by something to get -24

-2 * something = -24

We can represent something with a variable called x.

-2 * x = -24

-2x = -24

Step 2:  Solve for x by dividing both sides by -2

-2x / -2 = -24 / -2

x = 12

Answer:  The number we can multiply -2 by to get -24 is 12

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At a music store, the price of a set of speakers is $245, plus the sales tax of 6.5%. What is the total cost of the speakers, including the sales tax?

Answers

In order to find out what the additional value of the sales tax would be,which is 6.5%, you have to find 1% of $245. Which is $2.45. As you're looking for 6.5%, you have to multiply $2.45 by 6.5, which gives you $15.93 (rounded). In order to find the cost including the sales tax, you have to add $15.93 to the original price of $245, which gives you $260.93.Therefore, the price of the speakers, including a sales tax of 6.5% is $260.93Hope this helps :)
So,

The total cost = cost + sales tax

cost + sales tax = x or total cost

1. cost = $245

2. sales tax = 0.065(cost)

245 + 0.065(cost) = x

Simplify
245 + 15.925 = x

Round to the nearest hundredth
245 + 15.93 = x

Collect Like Terms

260.93 = x

The total cost of the speakers, including tax, is $260.93.

Please help me math questions

Answers

w - 9 - (-1) > 3

To solve the inequality, we have to get w by itself on one side of the greater than sign, which will give us the answer.  So we start by simplifying the left side of the equation.  When you subtract a negative, you simply add, so the inequality becomes...

w - 9 + 1 > 3

Now combine like terms

w - 8 > 3

Now add 8 to each side to get w by itself

w > 11

This means that to keep the inequality true, w can be any number greater than 11.

A line with a slope of -8 passes through the points (6,-1) and (w, 7). What is the value of w?

Answers

Answer:

The value of w is 5.

Step-by-step explanation:

To find the value of w, we start with the slope equation. Then, we input all of the values we are given.

m(slope) = (y2 - y1)/(x2 - x1)

-8 = (7 - -1)/(w - 6)

-8 = 8/(w - 6)

Now to solve for w, we need to cross multiply.

-8(w - 6) = 8

w - 6 = -1

w = 5

Final answer:

To find the value 'w', we use the equation for calculating the slope of a line given two points. After placing the known values into the equation, we solve for 'w' and find that w = 5.

Explanation:

To solve for w, we utilize the formula for the slope of a line given two points (x1, y1) and (x2, y2), which is (y2-y1)/(x2-x1). In our case, we know the slope is -8, and we have one point (6, -1) and another point (w, 7).

So, we set up the equation -8 = (7 - (-1)) / (w - 6). Simplifying this gives -8 = 8 / (w - 6). Cross multiply gives -8*(w - 6) = 8, which simplifies to -8w + 48 = 8. Subtracting 48 from both sides gives -8w = -40, so w = 5.

Learn more about slope of a line here:

brainly.com/question/34207674

#SPJ11

Ken paid $12 for two magazines the cost of each magazine was a multiple of $3 what are the possible prices of the magazines

Answers

The price could have been 6 each or 9 for one and 3 for the other

Find the vertex of this parabola:
y = -5x2 - 10x - 15
Enter the correct answer.

Answers

Answer:

Vertex of parabola (-1, -10)

Step-by-step explanation:

For a given quadratic y = ax² + bx + c, the vertex (h, k) is found by computing h = –b/2a, and then evaluating y at h to find k. If you've already learned the Quadratic Formula, you may find it easy to memorize the formula for k, since it is related to both the formula for h and the discriminant in the Quadratic Formula: k = (4ac – b2) / 4a.

What is 130/14 equal to what

Answers

it is equal to 9.285714286
dose this help?
You can change it to a improper fraction:
130÷14= 9 r4
9 4/14 or 9 2/7
So the answer is 9 2/7.
~JZ
Hope it helps
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