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slamgirl [31]
2 years ago
13

54 ÷ ( 8 - 5 )full explanation too please​

Mathematics
2 answers:
Nesterboy [21]2 years ago
7 0

Answer:

18

Step-by-step explanation:

PEMDAS

P = parentheses

E = exponents

M = multiplication

D = division

A = addition

S = subtraction

If the expression contains parentheses, always solve what's in them first

then if there are exponents, solve them

then do any multiplication or division, from left to right

last, do any additon or subtraction, from left to right

In this problem all we have to do is subtract 8 and 5 to get 3 and then divide that into 54 to get 18

Tresset [83]2 years ago
5 0

Use order of operations.
First step do inside the parentheses

8-5 = 3


Now you have 54 / 3


Now divide

54/3 = 18


answer: 18

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What is the rule for reflecting in the x=c line
Slav-nsk [51]

Answer:

What is the rule for a reflection across the line y =- X?

When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places. If you reflect over the line y = -x, the x-coordinate and y-coordinate change places and are negated (the signs are changed). the line y = x is the point (y, x).

Step-by-step explanation:

There is no rule about x=C..

7 0
2 years ago
17.5 how to make this into a fraction
BARSIC [14]
Take the .5 of the 17.5 and convert it to a fractin.
we know .5 is equal to 50% or 1/2 

now we have a mixed number  17 \frac{1}{2}

in order to convert it into an improper fraction you need to multiply the whole number by the denominator and then add the numerator all while keeping the denominator constant. 

W \frac{N}{D} =  \frac{(W*D)+N}{D}

so 17 \frac{1}{2}= \frac{(17*2)+1}{2}= \frac{35}{2}



5 0
3 years ago
Read 2 more answers
The nutrition label for Oriental Spice Sauce states that one package of sauce has 1100 milligrams of sodium. To determine if the
lora16 [44]

Answer:

We conclude that the sodium content is same as what the nutrition label states.

Step-by-step explanation:

We are given that the nutrition label for Oriental Spice Sauce states that one package of sauce has 1100 milligrams of sodium.

The FDA randomly selects 40 packages of Oriental Spice Sauce and determines the sodium content. The sample has an average of 1088.64 milligrams of sodium per package with a sample standard deviation of 234.12 milligrams.

<u><em /></u>

<u><em>Let </em></u>\mu<u><em> = average sodium content.</em></u>

So, Null Hypothesis, H_0 : \mu = 1100 milligrams      {means that the sodium content is same as what the nutrition label states}

Alternate Hypothesis, H_A : \mu \neq 1100 milligrams      {means that the sodium content is different from what the nutrition label states}

The test statistics that would be used here <u>One-sample t test statistics</u> as we don't know about population standard deviation;

                    T.S. =  \frac{\bar X-\mu}{\frac{s}{\sqrt{n}}}  ~ t_n_-_1

where, \bar X = sample average sodium content = 1088.64 milligrams

            s = sample standard deviation = 234.12 milligrams

            n = sample of packages of Oriental Spice Sauce = 40

So, <u><em>test statistics</em></u>  =  \frac{1088.64-1100}{\frac{234.12}{\sqrt{40}}}  ~ t_3_9

                              =  -0.307

The value of z test statistics is -0.307.

<em>Since, in the question we are not given the level of significance so we assume it to be 5%. </em><em>Now, at 0.05 significance level the t table gives critical values of -2.0225 and 2.0225 at 39 degree of freedom for two-tailed test.</em><em> </em>

<em>Since our test statistics lies within the range of critical values of t, so we have insufficient evidence to reject our null hypothesis as it will not fall in the rejection region due to which </em><em><u>we fail to reject our null hypothesis</u></em><em>.</em>

Therefore, we conclude that the sodium content is same as what the nutrition label states.

3 0
3 years ago
9.4 rounded to the nearest tenths
Julli [10]
The answer is going to be 9
8 0
2 years ago
Read 2 more answers
An equation has solutions of m = –5 and m = 9. Which could be the equation?
patriot [66]

Answer:

m² - 4m - 45 = 0

Step-by-step explanation:

(m + 5)(m - 9) = 0

m² + 5m - 9m - 45 = 0

m² - 4m - 45 = 0

4 1
3 years ago
Read 2 more answers
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