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STatiana [176]
3 years ago
14

Jenny is solving the equation 3 x + 5 = 4 x + 2 using algebra tiles. She cannot decide if she should add 3 negative x-tiles or a

dd 2 negative unit tiles to both sides first. Which explains which Jenny should do first?
A.She should add 3 negative x-tiles first because that is the only way to isolate the variable.

B.She should add 2 negative unit tiles first because that is the only way to get to the correct solution.

C.She can do either one first because zero pairs will be created to isolate the variable either way.

D.She should do neither one first because the first step is to add 4 negative tiles to both sides.
Mathematics
2 answers:
svetlana [45]3 years ago
8 0

Answer:

a

Step-by-step explanation:

She should add 3 negative x-tiles first because that is the only way to isolate the variable.

Andrei [34K]3 years ago
7 0

Answer:

A

Step-by-step explanation:

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The health club is raising money through a babysitting fundraiser. On Thursday, they charged $3 per hour plus an initial fee $40
xeze [42]

They need to babysit for 10 hours to have same money each day.

Step-by-step explanation:

On Thursday;

Charges = $3 per hour

Initial fee = $40

let x be the number of hours.

T(x) = 3x+40

On Friday;

Charges = $4 per hour

Initial fee = $30

F(x)= 4x+30

The cost will be same when;

T(x) = F(x)

3x+40=4x+30\\40-30=4x-3x\\10=x\\x=10

They need to babysit for 10 hours to have same money each day.

Keywords: functions, addition

Learn more about functions at:

  • brainly.com/question/3071107
  • brainly.com/question/3126500

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3 years ago
Calcula el RIQ de las temperaturas en las Ciudades de Kansas, Misouri las temperaturas: 23,25,28,28,32,33,35 y en Paradise, Mich
sasho [114]

Respuesta:

Kansas, Misuri = 8

Paradise, Michigan = 3

Explicación paso a paso:

El rango intercuartílico (IQR) = Q3 - Q1

Q3 = 3/4 (n + 1) th término

n = número de muestras

Q1 = 1/4 (n + 1) th término

Kansas Misuri:

23,25,28,28,32,33,35

Datos pedidos: 23, 25, 28, 28, 32, 33, 35

n = 7

Q1 = 1/4 * 8 = 2do trimestre = 25

Q3 = 3/4 * 8 = 6. ° tem = 33

Q1 = 33 - 25 = 8

Paradise, Michigan:

16,24,26,26,26,27,28

Datos pedidos: 16,24,26,26,26,27,28

Q1 = 1/4 * 8 = 2do = 24

Q3 =. 3/4 * 8 = 6to = 27

Q3 - Q1 = 27 - 24 = 3

8 0
3 years ago
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Bezzdna [24]

Answer:

velocity

Step-by-step explanation:

The velocity of the object is continually changing.  This velocity is the slope of the tangent line to the curve at a given point on the curve.

3 0
3 years ago
What is greater than 0.8 or 0.08
sertanlavr [38]
.8 it represents .80 cents. rather than .08 which would represent 8 pennies
8 0
3 years ago
Read 2 more answers
which of the following graphs shows a negative linear relationship with a correlation coefficient, r, close to -0.5.
Harrizon [31]

Answer:

In the graph attached there is a sample generated with a correlation coefficient r=-0.5.

Step-by-step explanation:

A value of r that is -0.5 shows that there is a certain correlation and that this correlation is negative.

As there are no examples in this question, I searched for a generator of random samples with a user-input correlation coefficient between the two variables.

In the graph attached there is a sample generated with a correlation coefficient r=-0.5.

3 0
3 years ago
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