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4 years ago

Standerd form example

2 answers:

7 0

Rewrite y=1/2x+4
we know that standard form equations cannot contain fractions. therefore, let's first get rid of the fractions. we can multiply by the Least Common Denominator (LCD) to get rid of the fraction.
y=1/2x+4

2[y=1,2x+4] multiply all terms by 2.

2y=x+8 distribute the 2 to all terms.

-x+2y=x-x+8 subtract x form both sides in order to x and y on the same side of the equation.

-x+2y=8

-1[-x+2y=8] multiply all terms by -1 to make the lead coefficient positive.

x-2y=-8 the equation written in standard form.

slega [8]4 years ago

3 0

3951 is an example of a standard form.

What standard form means is the number is written in numerical form.

More examples: 5269, 95862, 125634, etc.

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sandy spent %78 on the purchase of 6 identical pairs of shoes for the cheerleaders. Write the unit rate in price per pair.

guapka [62]

Answer:

13% per pair of shoes

because if she 78% on 6 shoes you would divide 78 by 6 to find the percent she spent on one pair of shoes

8 0

3 years ago

Please write eight facts about: The Flow of Energy in a Food Chain.

Elan Coil [88]

Answer:

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5 0

3 years ago

Read 2 more answers

Juan ramirez sells suits in a major department store on weekends. He earns a commission of 5 percent on the first 10 suits, and

Allisa [31]

Juan Ramirez made $185.00

For the first 10 suits he made $12.50 each suit, then he made $20 for the additional 3.

250*.05=12.50

250*.08=20

12.50*10=125

3*20=60

125+60=185.

3 0

3 years ago

A shoe manufacturer was investigating the weights of men's soccer cleats. He felt that the weight of these cleats was less than

aleksklad [387]

Answer:

The conclusion is that the researcher was correct

Step-by-step explanation:

From the question we are told that

The sample size is $n = 13$

The sample mean is $\= x = 9.63$

The standard deviation is $s = 0.585$

The significance level is $\alpha = 0.05$

The Null Hypothesis is $H_o : \mu = 0$

The Alternative Hypothesis is $H_a = \mu < 10$

The test statistic is mathematically represented as

$t = \frac{\= x - \mu }{\frac{s}{\sqrt{n} } }$

Substituting values

$t = \frac{9.63 - 10 }{\frac{0.585}{\sqrt{13} } }$

$t = - 2.280$

Now the critical value for $\alpha$ is

$t_{\alpha } = 1.645$

This obtained from the critical value table

So comparing the critical value of alpha and the test value we see that the test value is less than the critical value so the Null Hypothesis is rejected

The conclusion is that the researcher was correct

6 0

3 years ago

The graph shows the relationship between the distance a car travels and the time the car travels. Whats the speed of the car??

Cloud [144]

150 miles/hour
Hope this helps!
Vote me brainliest!

7 0

4 years ago