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fenix001 [56]
3 years ago
12

Can someone help me on problem one and two?

Mathematics
1 answer:
nevsk [136]3 years ago
3 0
I Dun know I hope u know the answer
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A phone company offers two monthly plans. Plan A costs $10 plus an additional $0.15 for each minute of calls. Plan B costs $30 p
Mkey [24]

First, you need to write to expressions to model each situation:

Plan A: 10+0.15x

Plan B: 30+0.1x


Next, set the expressions equal to each other and solve for x:

10+0.15x=30+0.1x

<em>*Subtract 0.1x from both sides to isolate the variable*</em>

10+0.05x=30

<em>*Subtract 10 from both sides*</em>

0.05x=20

<em>*Divide both sides by 0.05*</em>

x=400


The plans would have the same cost after 400 minutes of calls.


To find how much money the plans cost at 400 minutes, plug 400 into either expression.  We'll use Plan A:

10+0.15(400)

10+60

70


The plans will cost $70.


Hope this helps!

3 0
3 years ago
se tiene que embaldosar el patio interior de un edificio con baldosas cuadradas de 30 cm de lado. El patio es rectangular y sus
shepuryov [24]

Answer:

40,000 baldosas

Step-by-step explanation:

Lo primero que debemos hacer aquí es calcular el área del patio rectangular.

El mejor enfoque para esto es convertir primero sus medidas a centímetros

Matemáticamente, 100 cm = 1 m, entonces 10 m se convierten en 1000 cm y 12 m se convierten en 1200 m.

El área de un rectángulo es L * B y, por lo tanto, tenemos 1200 * 1000 = 1,200,000 cm ^ 2

Ahora, para saber la cantidad de azulejos que tendrá el patio, necesitaremos dividir el área del patio por el área de los azulejos

Matemáticamente, eso sería 1,200,000 / 30 = 40,000 fichas

6 0
3 years ago
What is the solution to the equation?
kozerog [31]

Answer:

answer is c. x=-4

Step-by-step explanation:

7x+6=-22 =》 7x=-28 =》 x=-24/7=-4

3 0
4 years ago
Read 2 more answers
Which of the following tables represents a ratio which is greater than the ratio in the table above?
finlep [7]

complete question please.

4 0
3 years ago
Austin had $70 dollars in his bank account. he purchased made a purchase for $83. What is the balance of his bank account?
Simora [160]
He would have -13$ In his Bank Account
5 0
3 years ago
Read 2 more answers
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