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3 years ago

Is 4x+2y=8 the same as y=-2+4

Mathematics

1 answer:

Nikitich [7]3 years ago

4 0

Answer:

the correct answer is yes

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You are conducting a study to test whether there is a difference in the mean number of alcoholic drinks consumed per evening bet

salantis [7]

The value of test statistic is 5.45

Data;

n1 = 25
n2 = 30
x1 = 6.2
x2 = 3.8
s1 = 2
s2 = 1

<h3>Test Statistic</h3>

The formula to calculate the test statistic is given as

$t = \frac{x_1 - x_2}{\sqrt{\frac{s_1^2}{n_1}+ \frac{s_2^2}{n_2} } } \\$

Let's substitute the values and solve for t

$t = \frac{x_1 - x_2}{\sqrt{\frac{s_1^2}{n_1}+ \frac{s_2^2}{n_2} } } \\t = \frac{6.2 - 3.8}{\sqrt{\frac{2^2}{25} + \frac{1^2}{30} } } \\t = \frac{2.4}{0.44} = 5.45$

The value of test statistic is 5.45

Learn more on test statistic here;

brainly.com/question/15980493

5 0

3 years ago

Ginny is making homemade pizzas for her family. The recipe makes 70 ounces of dough, but she made more that to ensure she had en

Anastaziya [24]

Answer:

14 ounce

Step-by-step explanation:

Given that:

Ounces of dough used in making recipe = 70 ounces

Number of ounces frozen = 28 ounces

Number of pizzas made from dough left = 3

Number of ounces left = total made - number frozen

Number of ounces left = 70 - 28 = 42

Weight of pizza made :

Number of ounces left / number of Pizzas made

42 / 3 = 14

Hence, maximum weight of each pizza made will weigh more than 14 ounces

8 0

4 years ago

State the name of the property illustrated. -6(4 + 6) = -24 + (-36)

Mice21 [21]

Answer:

It's distributive property.

3 0

3 years ago

Solve for p<br> -6p+3=21<br> p=what

alexandr1967 [171]

Answer:

p = -3

Step-by-step explanation:

can i have a brainlest

8 0

3 years ago

Read 2 more answers

Find the sum or difference (2c-4)+(5c+11)

laiz [17]

Remove parentheses
2c - 4 + 5c + 11
Combine like terms
Answer: 7c + 7

7 0

4 years ago