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GarryVolchara [31]
2 years ago
5

Your friend evaluates the power (-3)^2 is your friend correct ? explain

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
5 0

The evaluation of the expression  (-3)² is incorrect the correct answer will be  (-3)²=+9.

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using the signs like addition,substraction, multiplication and division.

Here we have an expression in the question:-

=  (-3)²  = (-3  x   -3  )  =  9

So the answer of the question will be 9 because the multiplication of the two negative sign is always positive.

To know more about expression follow

brainly.com/question/723406

#SPJ1

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Need help with R3, R4, S5​
marissa [1.9K]

Answer:

R3 Theorem: If parallel lines are cut by a transversal, then alternate interior angles are congruent.

R4 Theorem: Congruence of segments is reflexive.

S5 ΔABC ≅ ΔCDA

7 0
2 years ago
I need help on this question can some help
guapka [62]

Answer:There’s a that you can download with a ton of edginuity answers if you type down edginuity answers and hit the pdf by reservamesa and you can find some.

Step-by-step explanation:

5 0
3 years ago
Two neighbors, wilma and betty, each have a swimming pool. both wilma's and betty's pools hold 9900 gallons of water. if wilma's
s2008m [1.1K]
To solve this problem we will start by calculating time needed for each of them to fill the pool.

We have formula:
Volume = rate * time
Or
time = volume / rate

Wilma:
time = 9900 / 900
time = 11h

Betty:
time = 9900 / 500
time = 19.8h

Now we substract these two numbers:
time_difference = 19.8 - 11 = 8.8h

Betty needs 8.8 hours more than Wilma to fill the pool.
3 0
3 years ago
Solve for y: x + 5y - 10=22​
cestrela7 [59]

Answer: Y= -x/5 + 32/5

Step-by-step explanation:

7 0
3 years ago
Resuelve el siguiente problema de fracciones y escoge la alternativa correcta: Jaime compra una propiedad en 84000 dólares y des
Kryger [21]

Answer:

$21,000

Step-by-step explanation:

Solve the following fraction problem and choose the correct alternative: Jaime buys a property for $ 84,000 and after one year sells it earning 1/4 of the purchase price. How much was the profit? *

The amount of profit is calculated as

1/4 of the purchase price

Purchase price = $84,000

= 1/4 of $84,000

= 1/4 × $84,000

= $21,000

Therefore, the amount of the profit = $21,000

5 0
3 years ago
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