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2 years ago

PLS I NEED ASAP WILL GIVE BRAINLIEST

Mathematics

1 answer:

Darya [45]2 years ago

5 0

For this case we have that by definition, a linear equation is of the form:

$ax + b = 0$

The variable (s) involved in the equation always have exponent 1.

Some examples of linear equations are:

$x + 5 = 3y\\y + 6 = 3x\\y = 2x + 2$

Answer:

In a linear equation the variables have exponent 1.

$y = 2x + 2$

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What number is 50% out of 800??

Morgarella [4.7K]

400 since 50% is half

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2 years ago

Read 2 more answers

Solve the system by substitution. y = -3x + 4 y = -7x Submit Answer

iVinArrow [24]

Answer:

{y,x} = {7,-1}

Step-by-step explanation:

(-7x) + 3x = 4

- 4x = 4

4x = - 4

x = - 1

y = -7x

x = -1

y = -7(-1) = 7

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3 years ago

It takes 58 pounds of seed to completely plant a 9-acre field. How many acres can be planted per pound of seed?

ozzi

Answer:

6 4/9

Step-by-step explanation:

You divide 58 and 8 and your answer would be 6.444444 repeating.

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2 years ago

US average math SAT scores follow a normal distribution with a mean of 505 and a standard deviation of 112. A sample of 64 enter

Hitman42 [59]

Answer:

The claim that the scores of UT students are less than the US average is wrong

Step-by-step explanation:

Given : Sample size = 64

Standard deviation = 112

Mean = 505

Average score = 477

To Find : Test the claim that the scores of UT students are less than the US average at the 0.05 level of significance.

Solution:

Sample size = 64

n > 30

So we will use z test

$H_0:\mu \geq 477\\H_a:\mu < 477$

Formula : $z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$

$z=\frac{505-477}{\frac{112}{\sqrt{64}}}$

$z=2$

Refer the z table for p value

p value = 0.9772

α=0.05

p value > α

So, we accept the null hypothesis

Hence The claim that the scores of UT students are less than the US average is wrong

3 0

3 years ago

11. The table shows the lengths of fish caught by three,

blsea [12.9K]

Numbers can be ordered in ascending or descending order.

The length of fishes from greatest to least is

$Emily = 12 \frac 34$ .
$Emma = 12.7$ .
$Anne = 12 \frac 35$

Given

$Emma = 12.7$

$Anne = 12 \frac 35$

$Emily = 12 \frac 34$

Convert all fractions to decimals

$Emma = 12.7$

$Anne = 12.6$

$Emily = 12.75$

Arrange from greatest to least

$Emily = 12.75$

$Emma = 12.7$

$Anne = 12.6$

Hence, the length of fishes from greatest to least is

$Emily = 12 \frac 34$ $Emma = 12.7$ $Anne = 12 \frac 35$

Read more about order of numbers at:

brainly.com/question/3729546

6 0

2 years ago