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Vanyuwa [196]
3 years ago
9

Which system of inequalities has this graph as it’s solution

Mathematics
1 answer:
Nutka1998 [239]3 years ago
5 0

Answer:

Option (B)

Step-by-step explanation:

In the graph attached,

Two lines graphed have the equations as,

y = 2x - 3 [A line having y-intercept as (-3)]

y=\frac{1}{3}x+4 [Line having y-intercept as (4)]

Since both the lines have been represented by the dotted lines therefore, these lines will represent the inequalities [having the signs less than (<) or greater than (>)].

Now shaded region will decide the signs of the inequalities.

Since, shaded region of y = 2x - 3 is on the left side, inequality showing this region will be,

y > 2x - 3

Since, shaded region of y=\frac{1}{3}x+4 is above the line, inequality showing this region will be,

y>\frac{1}{3}x+4

Therefore, Option (B) will be the answer.

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Answer:

She did better on the math exam compared with the other students

Step-by-step explanation:

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We to calculate how many standard deviations from the mean she scored we need to use the following formulae:

(score - mean)/std

for economics:

(85 - 75)/8 = 10/8 = 1.25

for math:

(89 - 68)/10 = 21/20 = 2.1

Since she scored <em><u>1.25</u></em> standard deviations <em><u>higher than</u></em> the mean in economics and <u><em>2.1</em></u> standard deviations <u><em>higher than</em></u> the mean in mathematics, she did better on the <u><em>MATH</em></u> exam

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3 years ago
Factor 20x2 25x – 12x – 15 by grouping. 1. Group terms with common factors. 2. Factor the GCF from each group. 3. Write the poly
lyudmila [28]

The factors of the specified polynomial by the grouping the polynomial and taking out GCF is,

(4x+5)(5x-3)

<h3>What is the factor of polynomial?</h3>

Polynomial equations is the expression in which the highest power of the unknown variable is n (n is real number).

The factor of a polynomial is the terms in linear form, which are when multiplied together, give the original polynomial equation as result.

The given polynomial expression in the problem is,

20x^2+25x-12x-15

Factor the above polynomial by grouping as,

(20x^2+25x)+(-12x-15)

Factor the greatest common factor (GCF) from each group as,

5x(4x+5)-3(4x+5)\\

Write the polynomial as a product of binomials as,

5x(4x+5)-3(4x+5)\\(4x+5)(5x-3)

The above polynomial is written as a product of binomials.

Hence, the factors of the specified polynomial by the grouping the polynomial and taking out GCF is,

(4x+5)(5x-3)

Learn more about factor of polynomial here;

brainly.com/question/24380382

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2 years ago
HELP ASAPP !! Select the correct answer.
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Answer:

A) I=\frac{P}{4\pi r^2}

Step-by-step explanation:

To isolate I, we need to divide both sides by 4\pi r^2. Therefore, the answer is I=\frac{P}{4\pi r^2}.

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3 years ago
What shape am i 3equal side each 4cm not right angles
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Answer:

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Step-by-step explanation:

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2 years ago
A local grocery store has a diagonal spaces that are shaped like parallelograms. If the space is 9ft wide and 24 ft long what is
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