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geniusboy [140]
4 years ago
14

Which steps can be used to solve the equation a+4= - 3/a? ​

Mathematics
1 answer:
sveta [45]4 years ago
5 0

Multiply both sides by a

(a + 4)a = -3

Regroup terms

a(a + 4) = -3

Expand

a^2 + 4a = -3

Move all terms to one side

a^a + 4a + 3 = 0

Factor a^2 + 4a + 3

(a + 1)(a + 3) = 0

Solve for a

<u>a = -1, -3</u>

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Dos engranes giran al mismo tiempo y ambos coinciden en el giro 20.Se sabe que uno gila 4 veces mientras el otro lo hace 5 veces
8_murik_8 [283]

Answer:

40

Step-by-step explanation:

According to the statement we have that both begin at the time.

Gear 1 = 4 turns

Gear 2 = 5 turns

They also do not say that they coincide at turn 20.

If we continue, we can calculate when they coincide again:

1st

20 + 4 = 24

20 + 5 = 25

2nd

24 + 4 = 28

25 + 5 = 30

3rd

28 + 4 = 32

30 + 5 = 35

4th

32 + 4 = 36

35 + 5 = 40

5th

36 + 4 = 40

They therefore coincide again at turn 40.

5 0
4 years ago
Sherese draws a segment and labels the endpoints R and S. She uses a compass and straightedge to construct a segment congruent t
Lisa [10]

Answer:

1. Adjust the compass opening to the width of RS

2. Draw point P anywhere

3. Place the compass point on point P and draw an arc.

4. Label any point on the arc as point Q

5. Use a straightedge to connect points P and Q

Step-by-step explanation:

I did the test. This was the right answer.

8 0
3 years ago
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Solve the equation. 3 -x+3-2x +2x+5​
barxatty [35]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Halla el eje de simetría y el vértice de la parábola de cada función cuadrática. Luego grafica la función cuadrática
oksano4ka [1.4K]
(0,3) is the correct answer to your question
5 0
3 years ago
For which two beverages is the difference between the prices the greatest? what is the difference?
Anton [14]

Answer:

The biggest difference is between fruit juice and lemonade ($0.6).

Step-by-step explanation:

Giving the following information:

items:

fruit juice. $0.89

iced tea. $1.29

lemonade. $1.49

pretzel. $2.50

popcorn. $1.25​

First, popcorn and pretzel are not beverages.

<u>Now, we need to find the differences in prices between each beverage and determine the greatest:</u>

Fruit juice to ice tea= 0.89 - $0.4

Fruit juice to lemonade= 0.89 - 1.49= $0.6

Ice tea to lemonade= 1.29 - 1.49= $0.2

The biggest difference is between fruit juice and lemonade ($0.6).

6 0
3 years ago
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