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Nataly_w [17]
3 years ago
12

What’s the answer cgubgfgvvvv

Mathematics
2 answers:
adelina 88 [10]3 years ago
8 0

Step-by-step explanation:

you can find it using this formula

√ (x2 − x1)2 + (y2 − y1)2

√(-1--73)^2 + (9-30)^2

= 3√527

= 68.8694417

AURORKA [14]3 years ago
5 0
The answer is 75! Explanation, use the distance formula
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What is the range of the following relation?<br> {(100, 52), (805, -46), (945, 52), (-54, -46)}
saw5 [17]
R:{-46, 52}. You cannot repeat any numbers and the order is from least to greatest.
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3 years ago
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Which of the following could be the system of nonlinear inequalities graphed below?
Ivan

Answer:

Option A.

Step-by-step explanation:

step 1

we know that

The equation of the solid line is

y=5

The solution is the shaded area above the solid line

so

The equation of the first inequality is

y\geq 5

step 2

The equation of the dashed line is

y=x^{2} -5x+6

The solution is the shaded area above the dashed line

so

The equation of the second inequality is

y>x^{2} -5x+6

therefore

The system of inequalities could be

y\geq 5

y>x^{2} -5x+6

4 0
3 years ago
Area of square whose side is 11 cm ________
Gnom [1K]

Answer:

121 cm²

Step-by-step explanation:

Square's area formula is

A=a²

where a stands for a side of the square

A=(11 cm)²

A=121 cm²

whenever you're talking of area you put cm²

8 0
2 years ago
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One of the three economic questions deals with deciding
drek231 [11]
One of the three economic questions deals with deciding what goods and services must be produced from available resources.

Here are the Three Main Economic Questions
1) Who consumes the goods and services produced in society?
2) What goods and services must be produced in society?
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<span>These questions are very important because it deals on how available resources are allocated to produce essential goods and services demanded by consumer
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3 0
3 years ago
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For a medical study, a researcher wishes to select people in the middle 60% of the population based on blood pressure.
Finger [1]

Answer:

Lower limit: 113.28

Upper limit: 126.72

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 120, \sigma = 8

Middle 60%

So it goes from X when Z has a pvalue of 0.5 - 0.6/2 = 0.2 to X when Z has a pvalue of 0.5 + 0.6/2 = 0.8

Lower limit

X when Z has a pvalue of 0.20. So X when Z = -0.84

Z = \frac{X - \mu}{\sigma}

-0.84 = \frac{X - 120}{8}

X - 120 = -0.84*8

X = 113.28

Upper limit

X when Z has a pvalue of 0.80. So X when Z = 0.84

Z = \frac{X - \mu}{\sigma}

0.84 = \frac{X - 120}{8}

X - 120 = 0.84*8

X = 126.72

4 0
3 years ago
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