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Bingel [31]
4 years ago
8

1 Point

Mathematics
1 answer:
malfutka [58]4 years ago
7 0

Answer:

The solution of the system is

x=8, y=11

Step-by-step explanation:

we have

y = 2x-5 ----> equation A

y = x+3 ----> equation B

Solve the system by graphing

Remember that the solution of the system of equations is the intersection point both graphs

using a graphing tool

The intersection point is (8,11)

see the attached figure

therefore

The solution of the system is

x=8, y=11

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aksik [14]
2x+6=12
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4(t-3)=8
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3 years ago
Please help me ill give you brainlest
schepotkina [342]

Answer:

12.25 and 12.6 per hour

Step-by-step explanation:

For number 2, you take the amount of cookies, x, and divide it by the number of hours, a, and you get x / a = 12.25 or 12.6

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3 years ago
Julia wants to estimate the percentage of people who submit their tax returns online. She surveys 330 individuals and finds that
larisa86 [58]

Answer:  0.0432

Step-by-step explanation:

Formula of Margin of Error :-

E=z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}

Given : Sample size : n= 400

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Level of confidence = 0.95

Significance level : \alpha=1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

Substitute the values in the given formula , we get

E=(1.96)\sqrt{\dfrac{0.2(1-0.2)}{330}}\\\\\Rightarrow\ E=0.043157779593\approx0.0432

Hence, the margin of error for the confidence interval for the population proportion with a 95% confidence level. = 0.0432

6 0
3 years ago
The Pizza Barn sells one customer 3 large pepperoni pizzas and 2 orders of breadsticks for $30. They sell another customer 4 lar
pashok25 [27]

Answer:

Pizzas: $8, Breadsticks: $3

Step-by-step explanation:

1. Write an equation.

Let the variables p = price of pizzas, and b = price of breadsticks

The equation: 3p + 2b = $30 for the first customer. The equation: 4p + 3b = $41 for the other customer.

2. Use the Elimination Method.

 (4p+3b=41) x3 =  12p+9b=123

- (3p+2b=30) x4 = 12p+8b = 120

------------------------------------------------

                                     8b = 3

Pizzas: $8

Breadsticks: $3

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3 years ago
If t=29.6 and r= 9.5, find R. Round to the nearest tenth.
Liula [17]
I think the answer is maybe A
8 0
3 years ago
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