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trapecia [35]
3 years ago
13

4-5 (2-1)=how to sove it

Mathematics
1 answer:
DerKrebs [107]3 years ago
5 0
4 - 5(2 - 1) = \: ?

PEMDAS states to do what's in the parenthesis first...

4 - 5(1)

PEMDAS states to multiply 5 by 1 next...

4 - 5

PEMDAS states to subtract 4 by 5 next...

= - 1

~~

I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey
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Eugene and three of his friends went out to eat. They decided to split the bill evenly. Each person paid $11. What was the total
Elena-2011 [213]

Answer:

Step-by-step explanation:

Je calcule la facture totale

11x4=44

La facture totale d'Eugène et ses trois amis était de 11$

8 0
1 year ago
Can someone help with number 20
enyata [817]

Answer:B: 36°


Step-by-step explanation:

We know that ∆ABC is isoceles, making (angle)<ABC and <BCA congruent because base angles of isoceles triangles are congruent.


Because we have parallel lines, we can look for alternate interior angle pairs. <BCA is congruent to <DAC because they're alternate interior angles.


If <BCA is x then so is <ABC.


Since triangles add up to 180° we can add all of the angles (3x+x+x) and set it equal to 180.

3x+x+x=180

5x=180

x=36


If we were looking for <BAC we would plug that back in and solve, but we're looking for <BCA which is equal to x, therefore m<BCA=36°


3 0
3 years ago
Plz helppp I don’t understand
Dmitrij [34]

Answer:

5+x=-4, =9

Step-by-step explanation:

5+x=-4 Write equation

-5    -5 Subtract 5 from both sides to isolate x

 +x=-9

4 0
3 years ago
Name two solutions to y = 3x - 5
wlad13 [49]

Answer:

(1,-2) and (0,-5) (There are an infinite amount more)

Step-by-step explanation:

The easiest way to find solutions is to plug in an x value. Let's try 1:

y = 3(1) - 5⇒y = 3 - 5⇒y = -2

(1,-2)

Let's try 0:

y = 3(0) - 5⇒y = 0 - 5 ⇒y = -5

(0,-5)

6 0
3 years ago
A $60 sweater is on sale for 25% off. There is an additional 10% discount offered if you sign up for a credit card. What is the
marin [14]

Answer:$39

Step-by-step explanation:

7 0
2 years ago
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