MATHEMATICS MIDDLE SCHOOL

What is the x-intercept for the equation -2x + 5y = -10?(5,0)
(2,0)
(-5,0)
(-2,0)

Answers

Answer 1

Answer:

Answer:

A) (5, 0)

Step-by-step explanation:

-2x+5y=-10

-2x+5(0)=-10

-2x+0=-10

-2x=-10

2x=10

x=10/2

x=5

(5, 0)

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Explain how you can use a number line to show that 5/8 is greater than 3/8

How would you graph the solution to -5w + 9 = 14 on a number line?1) Draw a point one unit to the right of zero.
2) Draw a point five units to the right of zero.
3) Draw a point five units to the left of zero.
4) Draw a point one unit to the left of zero.

Answers

Answer:

Draw a point one unit to the left of zero.

Step-by-step explanation:

The equation of unknown w is given here and we have to solve it and then we have to check how to draw the point w on the number line.

Now, the equation is - 5w + 9 = 14

⇒ - 5w = 5

⇒ w = - 1

Now, we know that in a number line if we move right from zero then this is a positive direction and if we move left from zero then this direction is the negative direction.

Hence, to plot w = - 1, we must draw a point one unit to the left of zero. (Answer)

Seven less than a number divided by three is five

Answers

let that number be x

$7 < (x)/(3) = 5$

Find the common ratio of the geometric sequence: −320,80,−20,5,…

Answers

With geometric sequences, if you divide a term by the term before it you'll get the common ratio. That's how they are all constructed, and in this problem:

$(80)/(-320)=-(1)/(4)$

So -1/4 is our common ratio.

The common ratio of the geometric sequence −320, 80, −20, 5,… is -1/4 or -0.25.

What is a sequence?

It is defined as the systematic way of representing the data that follows a certain rule of arithmetic.

We have a geometric sequence:

−320, 80, −20, 5,…

As we know, the geometric sequence or progression follows a certain rule of arithmetic.

The common ratio = second term/first term or

First term = -320

Second term = 80

= 80/(-320)

= -1/4

The common ratio = -1/4 or -0.25

Thus, the common ratio of the geometric sequence −320, 80, −20, 5,… is -1/4 or -0.25.

Learn more about the sequence here:

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Michele is 52 inches tall. Her father is 6 feet 3 inches tall. Exactly how many taller is Michele's father than Michele?

Answers

The Michele's father is 23 inches taller than Michele.

What is mean by Subtraction?

Subtraction in mathematics means that is taking something away from a group or number of objects. When you subtract, what is left in the group becomes less.

Given that;

Michele is 52 inches tall.

And, Her father is 6 feet 3 inches tall.

Now,

Since, We know that;

⇒ 1 feet = 12 inches

Hence, The age of his father = 6 feet 3 inches

= 6×12 + 3

= 75 inches.

Hence, The length for Michele's father taller than Michele is,

⇒ 75 - 52 inches

⇒ 23 inches.

Learn more about the subtraction visit;

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first, multiply six by 12 and add 3

You get 75

So, since 75 is 23 inches taller than 52, Michele's father is 23 inches taller than michele

Hope this helped!

I am totally stuck on this problem please help

Answers

V solid = π * $5^(2)$ * 13 / 3 + π * $5^(2)$ * 2 = 3.14 * 25 *13 / 3 + 3.14 * 50 = 340.16 + 157 = 497.16 ≈ 497.20 cubic centimeters;

A student claims that the expression “9 times the sum of a number and 13” is translated to the algebraic expression 9n + 13. Is the student correct? If not, what is the correct expression?

Answers

The student is wrong, the correct expression is 9(n + 13).

What are expressions?

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation.

Given the phrase “9 times the sum of a number and 13”

Let, n = the number

Therefore,

The sum of a number and 13 is:

n + 13

9 times the sum of a number and 13” can be written as,

9(n + 13)

Hence, the student is wrong.

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9*13+n

9*
A sum of a number and 13

so your answer is correct.