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Fiesta28 [93]
3 years ago
12

What is the solution of the system of equations?y = –4x + 10y = –2x – 6(–22, 8)(8, –22)(–2, –2)(–2.67, 20.67)?

Mathematics
1 answer:
forsale [732]3 years ago
5 0
The solution is the second choice:
  (8, -22)

_____
That is the point on the graph where the line intersect.

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Henry wants to double a cake recipe that uses 2 cups and 10 tbsp of flour. How much flour will he need?
Lubov Fominskaja [6]

Answer:

20 tbsp of flour OR 1.25 or 1 \frac{1}{4} cups of flour

Step-by-step explanation:

10 tbsp of flour

*2

____________

20 tbsp of flour OR 1.25 or 1 \frac{1}{4} cups of flour

5 0
3 years ago
755,082 round to nearest ten thousand
scZoUnD [109]
755,082 rounded to the nearest ten thousand is 760,000
6 0
3 years ago
2. In a random sample of 130 World Campus students, 92 were employed full-time.
liberstina [14]

Answer:


Step-by-step explanation:

Given that sample size is 130 >30.  Also by central limit theorem, we know that mean (here proportion) of all means of different samples would tend to become normal with mean = average of all means(here proportions)

Hence we can assume normality assumptions here.

Proportion sample given = 92/130 = 0.7077

The mean proportion of different samples for large sample size will follow normal with mean = sample proportion and std error = square root of p(1-p)/n

Hence mean proportion p= 0.7077

q = 1-p =0.2923

Std error = 0.0399

For 95% confidence interval we find that z critical for 95% two tailed is 1,.96

Hence margin of error = + or - 1.96(std error)

= 0.0782

Confidence interval = (p-margin of error, p+margin of error)

= (0.7077-0.0782,0.7077+0.0782)

=(0.6295, 0.7859)

We are 95% confident that average of sample proportions of different samples would lie within these values in the interval for large sample sizes.

7 0
3 years ago
Which point satisfies both ƒ(x) = 2x and g(x) = 3x?
siniylev [52]

Answer:

(0,0)

Step-by-step explanation:

If a point satisfies both functions, they must be equal to each other. Thus, we have:

f(x)=g(x)

2x=3x  

The only x that satisfies this is 0.

Therefore, the y is also zero.

The point is (0,0).

Alternatively, you can also visualize the graphs. The only point where the graphs will touch is the origin point or (0,0).

4 0
3 years ago
Read 2 more answers
Raymond works in an electronics store and gets a 12 percent employee discount. The original cost of a video game system is $175.
slava [35]

Answer:

A. $154.00

Step-by-Step Explanation:

Okay so, the first step is to get 12% and move the decimal to the left twice like this:

.12

Then, multiply 175 by .12 like this:

175 * .12 = 21

Lastly, subtract 21 from 175 like this:

175 - 21 = $154

6 0
2 years ago
Read 2 more answers
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