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inna [77]
3 years ago
7

What is the correct way of doing N- (-15)= -1. In ALGEBRA 8?

Mathematics
1 answer:
dybincka [34]3 years ago
6 0

Answer:

i need help too

Step-by-step explanation:

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The hcf of 12x^2-4xy+15x-5y​
stiks02 [169]

Answer:

-1

Step-by-step explanation:

We have 2 letters, x and y. what letter is in all of them? none of them. that means the HCF can't contain a letter. let's take away the letters, we have 12, -4, 15, -5. Since -5 is a prime number. the answer is -1

7 0
2 years ago
Koalas absorb only 25% of the fiber they eat. A koala absorbed 10.5 ounces of fiber in one day. How many ounces of fiber did he
kolbaska11 [484]
<h3>Answer:</h3>

42 ounces

<h3>Step-by-step explanation:</h3>

In this question, it is asking how many ounces of fiber did the Koala eat that day.

In order to solve this question, we would need to gather some important information from the question.

Important Information:

  • Koalas absorb only 25% of fiber they eat
  • Koala absorbed 10.5 ounces of fiber in 1 day

With the information above, we can solve the question.

We know that koalas only absorb 25% of fiber. We also know that a koala absorbed 10.5 ounces of fiber.

This means that the 10.5 ounces is 25% of fiber. This is 1/4 of the fiber it ate.

Now, we just need to find the other 3/4.

We could just multiply 10.5 by 4 to find how much fiber it ate that day.

10.5*4=42

When you multiply, you should get 42.

This means that the Koala ate 42 ounces of fiber that day.

<h3>I hope this helps you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>
4 0
3 years ago
Read 2 more answers
I need to know how to answer this
Alborosie
1.5r-5r+3r-8
Subtract 1.5r-5r= -3.5r
Add -3.5r+3r= -0.5r

The answer is -0.5 - 8
5 0
3 years ago
A) 24 is what percent of 60
choli [55]

A) 24/60 = 0.4 or 40%

B) 8/x = 4/10 → 20

C) 120 * 0.7 = 84

D) 30/120 = 0.25 or 25%

E) 112/x = 56/100 → 200

F) 128/80 = 1.6 or 160%

G) x/45 = 140/1000 → 63

H) 15/x = 6/100 → 250

7 0
3 years ago
Please help me! I am struggling
AysviL [449]

Answer:

Oh man! I totally understand why you are struggling!

Step-by-step explanation:

You want the textbook or the cheat sheet?

Lets go with the cheat sheet.

So, notice the line segments, correct?

The way to find those is Pythagorean Theorem.

The squares of the legs of the triangle add up to the length of the hypotenuse squared. Imagine that the lengths of the sides ARE Hypotenuses. Then, form a triangle, with the legs (Other sides of the triangle except the hypotenuse) either vertically or horizontally(I explain it better below).

In other words, we need to create a right triangle with AB as the hypotenuse to use Pythagorean Theorem. How do we do that?

Count the number of units both vertically and horizontally from point A to B. Essentially, make a horizontal line segment starting at A, and stop it over B. Then, make a vertical line that goes down to B from that ending point (Remember to count the number of units along the way).

Those are your legs. Then, use those measurements in the Pythagorean Theorem:

12^{2} + 8^{2}=AB

I'm confident you can solve this! If you know mathematics...

Then, repeat for either AD or BC.

Then, use the formula for area of the Rectangle. How do we know that it is a rectangle? Well, I'm skipping this part because it will take too long to do, but I can explain it later if you want!

Oh, well.

Hope this helps! Stay Safe!  

4 0
3 years ago
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