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scoray [572]
3 years ago
6

What side lengths should be used to model a rectangle with an area of x2 + 3x – 10 square units?

Mathematics
2 answers:
Grace [21]3 years ago
7 0
( x + 5 ) and ( x – 2 )

You can factor the above binomial and solve for zero. You'll have x^2 + 5x – 2x – 10, which simplifies to your original x^2 + 3x – 10
irina [24]3 years ago
5 0

your answer on e2020 would be B

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Is a positive integer raised to a negative power always positive
Evgesh-ka [11]

Answer:

Yes

Step-by-step explanation:

Many students gets confused with these exponential problems, they often get misguided but understand that there is nothing to be confused of.

When you have a negative number, you just take the reciprocal of the whole exponent number.

What is a reciprocal?

Let's take an integer for example, let's take the number 3.

The reciprocal for 3 is (1/3)

Let's take an other number, let's take 2/3

The reciprocal for 2/3 is (3/2)

In conclusion, we just reverse the denominator and the numerator or just switch it.

We take 3 as (3/1) and that is the reason, the reciprocal would be (1/3)

Now, coming to the negative integers. Taking an example:

(2)⁻¹

This would be become (1/2¹) = (1/2)

Hence, the result of a negative integer is positive but would be a fraction.

Hope I helped!


3 0
3 years ago
HELP! How do translations relate to shapes plz explain
Vlada [557]

Answer:

well on the x and y coordinate graph the the translation is what moves the shape

6 0
2 years ago
Three years after paying $2800 in a startup company, you sell for $2200. The total percent return is what?​
masha68 [24]

Answer:

The total percentage return is 26.19

Step-by-step explanation:

Given as :

The amount paid for three years = $ 2800

So, Total amount paid for three years = $ 2800 × 3 = $ 8400

The return amount after three years = $ 2200

The time period = 3 years

Let the percentage return = x %

So, According to question

x % of $ 8400 = $ 2200

Or, x % = \frac{2200}{8400}

Or, \frac{x}{100} = \frac{11}{42}

∴  x = \frac{11}{42} × 100

I.e x = 26.19

Hence The total percentage return is 26.19 Answer

3 0
3 years ago
Need help on this questionnn
Alona [7]

The second option is the answer

5 0
3 years ago
A spinner is divided into 8 equal sections, and each section contains a number from 1 to 8. What is the probability of the spinn
Elodia [21]

Answer:

StartFraction 1 over 8 EndFraction

Step-by-step explanation:

It would be 1/8 because there is 8 sections on the spinner and 5 is on 1 section of the spinner so it would 1/8.

8 0
3 years ago
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