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yanalaym [24]
2 years ago
14

Solve the equation.

align="absmiddle" class="latex-formula">
Mathematics
1 answer:
kvasek [131]2 years ago
7 0

Answer:

w= -27

Step-by-step explanation:

w/3 = -9

w = 3 * -9 = -27

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Please answer this correctly
julsineya [31]

Answer:

the answers are 783 and 786

3 0
3 years ago
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chad buys peanuts in 2-pound bags.He repackages them into bags that hold 5/6 pound of peanuts.How many 2-pound bags of peanuts s
Juli2301 [7.4K]
Chad would have to buy 2, 2-pound bags of peanuts. So he has 4 pounds in all. 5/6 can go into 4 event.
6 0
3 years ago
Income tax returns show that the mean income of self-employed persons in a particular year was £15,000, with a standard deviatio
DochEvi [55]

Answer:

Yes, There is significant difference.

Step-by-step explanation:

Null Hypothesis , H0 : Mean income = 15000

Alternate Hypothesis , H1 : Mean income  ≠  15000

t = (x - u) / ( s / √n)

x = sample mean = 14500 here, u = population mean = 15000 here ,             s = standard deviation =  975 here  , n = sample size

t = (14500 - 15000) / (975 / √169)

-500 / 75 = - 6.66

As  calculated t value in absolute terms is > 1.96 , ie tabulated value at 95% significance level (two sided). So we reject the null hypothesis in favor of alternate hypothesis. Hence, we state that 'Mean Income ≠  15000'

6 0
3 years ago
In a local​ town, 4/5 of the​ voting-age population is registered to vote. If 7/8 of the registered voters voted in the election
STALIN [3.7K]

Answer:

\frac{7}{10}  of voting age population voted

Step-by-step explanation:

In order to find out that fraction we just have to mulitply the fraction of the people that were registered by the fractions of the people that were registered and voted. And so we get...

(\frac{4}{5})(\frac{7}{8}) = \frac{(4)(7)}{(5)(8)} = \frac{28}{40} = \frac{7}{10}

7 0
2 years ago
Solve for x: −2(x + 3) = −4(x + 1) − 4
Stolb23 [73]

Hello! My name is Chris and I’ll be helping you with this problem.

Date: 9/27/20  Time:  

Answer:  

x = -1

Explanation:

Step 1: Simplify both sides of the equation.

−2(x+3)=−4(x+1)−4

(−2)(x)+(−2)(3)=(−4)(x)+(−4)(1)+−4(Distribute)

−2x+−6=−4x+−4+−4

−2x−6=(−4x)+(−4+−4)(Combine Like Terms)

−2x−6=−4x+−8

−2x−6=−4x−8

Step 2: Add 4x to both sides.

−2x−6+4x=−4x−8+4x

2x−6=−8

Step 3: Add 6 to both sides.

2x−6+6=−8+6

2x=−2

Step 4: Divide both sides by 2.

2x  = -2

/2      /2

x=−1

I hope this helped answer your question! Have a great rest of your day!

Furthermore,  

Chris

5 0
2 years ago
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