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Mekhanik [1.2K]
3 years ago
9

Please solve this using like terms! 2(−14+r)−(−3r−5)

Mathematics
1 answer:
tia_tia [17]3 years ago
6 0

Answer:

5r-23

Step-by-step explanation:

multiple 2 with -14 and r

then subtract 2r - (-3) and -28 -(-5)

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Student Debt – Vermont: The average student loan debt of a U.S. college student at the end of 4 years of college is estimated to
mezya [45]

Answer:

The confidence interval is (24116.3878,24883.6122).

Step-by-step explanation:

We are given the following information in the question:

Population mean, \mu = $23,500

Sample mean,\bar{x} = $24,500

Sample standard deviation,s = $2,800

Sample size, n =  146

Confidence interval:

\bar{x} \pm t_{critical}\frac{s}{\sqrt{n}}  

Putting the values, we get,

t_{critical}\text{ at}~\alpha_{0.05} = \pm 1.655436

24500 \pm 1.65543(\frac{2800}{\sqrt{146}} ) = 24500 \pm 383.6122 = (24116.3878,24883.6122)

The confidence interval is (24116.3878,24883.6122).

5 0
3 years ago
that batch calls for 5 cups of flour and 4 teaspoons of vanilla if i use 6 teaspoons of vanilla how many cups will i need
Eva8 [605]
5 cups & 4 teaspoons
? cups & 6 teaspoons


2.5 cups is half of 5
2 is half of 4

you increased the recipe by 1/2

so for 6 teaspoons you will need 7.5 or 7 1/2 cups of flour b/c 5 + 2.5 = 7.5

ANSWER: 7 1/2
4 0
3 years ago
Please help! It’s due soon!
o-na [289]

vertex (1,-1) axis of symmetry is x=1, domain all real numbers (i think neg ys) range y is less equal than -1, y increases as x less 0 bug IMO x decreases

3 0
3 years ago
The residual plot for a data set is shown.
UNO [17]

The true statement about the residual plot is (a) The regression line is a good model because there is no pattern in the residuals.

<h3>How to interpret the residual plot?</h3>

For a residual plot to be considered a good model, the points on the plot must be at random and they must not follow a specific pattern

From the graph, we can see that the points are scattered

Hence, the true statement about the residual plot is (a)

Read more about residual plots at:

brainly.com/question/9329287

#SPJ1

3 0
2 years ago
In a florist shop, the ratio of roses to tulips is 5 : 3. The shop has 72 tulips on Friday morning. If the florist uses up half
11Alexandr11 [23.1K]

Answer:

it would stay the same

Step-by-step explanation:

3 0
3 years ago
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