MATHEMATICS MIDDLE SCHOOL

How do I get the answer to this problem

Answers

Answer 1

Answer:

Answer:

You do it, or ask someone

Step-by-step explanation:

Because. Just because. That's logic.

jk.... 19/20 - 10/20 - 2/20

19/20 - 12/20

7/20

Answer 2

Answer:

Answer: $(19)/(20) - (10)/(20) - (2)/(20)$

$(7)/(20)$

Step-by-step explanation:

Since the Least Common Denominator is 20 (or the biggest number on the bottom in your case), you can multiply 4 and 10 by their corresponding number to get 20.

4 * 5 = 20

10 * 2 = 20

Now multiply the top and bottom by 5 and 2

$(5)/(5) *(2)/(4)$ = $(10)/(20)[tex](2)/(2) *(1)/(10)$ = $(2)/(20)Now subtract everything.[tex](19)/(20) - (10)/(20) - (2)/(20)$

Its equals $(7)/(20)$ .

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please answer the area of rectangle is 24 cm Square if it's length is 5cm longer than its width find its length of the rectangle.

Answers

Length = 8
W = 3
With some simple trail and error we can arrive at this answer, since area is 24 (a small multiple) we can test numbers that are 5 apart 1,6 2,7 3,8 and multiply them and you will get answer

What is the slope of the line y= 7x - 8?

Answers

$y=mx+b\n\nslope\ is\ m\n\n\ny=7x-8\n\nslope\ i\n\ m=7$

Hello, hope you are having a nice day.

First, let's make sure the equation of our line is written in slope-intercept form.

Slope-Intercept Form looks like this:

y=mx+b

Where

m is the slope of the line

b is the y-intercept (where the graph touches the y-axis)

For this line, 7 is the slope, and -8 is the y-intercept form.

Hope it helps. I am always glad to help. Please ask me if you have any queries.

~An emotional teen who helps others with joy

Good luck.

Kiersten runs a website that helps people learn programming. Every month, Kiersten receives a subscription fee of $10 from each of the subscribers to her website. Last month, the website had 100 subscribers. This month, 30 new members joined the website, and 10 members cancelled their subscription

Answers

Answer:

Last month's income: $1000

This month's income = $1200

Step-by-step explanation:

Number of subscribers for last month = 100

Fee per subscriber = $10

Sol, last month's income = 100(10) = 1000

This month, 30 new members joined and 10 of the existing members cancelled their subscription.

So, number of subscribers this month = 100 + 30 - 10 = 120

This month's income = 120(10) = 1200

Last month, Kiersten earned $1000 (wow that's a lot of money :3) and this month, she earned $1200.

John is twice as old as her sister Jane. Four years ago, John was three times as old.What is John’s current age?

Answers

$x-Jane\n2x-John\n\nx-4-Jane\ (4\ years\ ago)\n2x-4-John\ (4\ years\ ago)\n\n2x-4=3(x-4)\n2x-4=3x-12\ \ \ /+4\n2x-4+4=3x-12+4\n2x=3x-8\ \ \ /-3x\n2x-3x=3x-3x-8\n-x=-8\ \ \ /\cdot(-1)\nx=8\n\n2x=2\cdot8=16\n\n\nAnswer:John's\ current\ age\ is\ 16\ years.$

Solve the following equation using the quadratic formulax^2-8x 97 = 0
The answer choices are in the picture

Answers

Answer:

Option B

$x=4+9i$ and $x=4-9i$

Step-by-step explanation:

we have

$x^(2) -8x+97=0$

The formula to solve a quadratic equation of the form $ax^(2) +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^(2)-4ac}} {2a}$

in this problem we have

$x^(2) -8x+97=0$

$a=1\nb=-8\nc=97$

substitute in the formula

$x=\frac{-(-8)(+/-)\sqrt{-8^(2)-4(1)(97)}} {2(1)}$

$x=\frac{8(+/-)√(-324)} {2}$

Remember that

$i^(2) =-1$

$i=√(-1)$

$x=\frac{8(+/-)18i} {2}$

$x=\frac{8(+)18i} {2}=4+9i$

$x=\frac{8(-)18i} {2}=4-9i$

Final answer:

To solve the equation x^2 - 8x + 97 = 0 using the quadratic formula, substitute the coefficients into the formula and simplify the expression. In this case, the equation has no real solutions.

Explanation:

To solve the equation x^2 - 8x + 97 = 0 using the quadratic formula, first identify the coefficients in the equation. The quadratic formula is given by x = (-b ± sqrt(b^2 - 4ac)) / (2a). In this case, a = 1, b = -8, and c = 97. Substitute these values into the quadratic formula and simplify the expression to find the value(s) of x.

Using the quadratic formula, we have x = (-(-8) ± sqrt((-8)^2 - 4(1)(97))) / (2(1)). Simplifying further, we get x = (8 ± sqrt(64 - 388)) / 2. Continuing the simplification, we have x = (8 ± sqrt(-324)) / 2. Since the square root of a negative number is not a real number, the equation has no real solutions.

Therefore, the answer is that there are no real solutions to the equation x^2 - 8x + 97 = 0.

Learn more about Quadratic Equations here:

brainly.com/question/30098550

#SPJ3

Draw a number line to represent the inequality y < 64

Answers

the arrow would be point to the left with a open circle

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