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dolphi86 [110]
3 years ago
7

A company that makes hair-care products had 8,000 people try a new shampoo. Of the 8,000 people,64 had a mild allergic reaction.

What percent of the people had a mild allergic reaction?? Need ASAP
Mathematics
1 answer:
Greeley [361]3 years ago
8 0

Answer:

1.25% of all the 8,000 people who tried the shampoo had a mild allergic reaction

Step-by-step explanation:

Divide 8,000 by 64 to get the unsimplified percentage

Then put a dot between 1 and 2 to get the percentage to get the percentage, 1.25%

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Please actually answer and not just take my points and answer quick this is timed
Arte-miy333 [17]

Answer:

Part A) The graph in the attached figure (see the explanation)

Part B) The ordered pair is not included in the solution area for the system (see the explanation)

Step-by-step explanation:

Part A) we have

y ----> inequality A

The solution of the inequality A  is the shaded area below the dashed line y=4x-8

The slope of the dashed line is positive

The y-intercept of the dashed line is (0,-8)

The x-intercept of the dashed line is (2,0)

y\geq -\frac{5}{2}x+5 ----> inequality B

The solution of the inequality B is the shaded area above the solid line y=-\frac{5}{2}x+5

The slope of the solid line is negative

The y-intercept of the solid line is (0,5)

The x-intercept of the solid line is (2,0)              

The solution of the system of inequalities is the shaded area between the dashed line and the solid line

see the attached figure

Part B) is the point (5, -8) Included in the solution area for the system?

we know that

If a ordered pair is a solution of the system of inequalities, then the ordered pair must satisfy both inequalities

Substitute the value of x=5, y=-8 in each inequality and then analyze the results

<em>Inequality A</em>

-8

-8 ----> is true

so

the ordered pair satisfy inequality A

<em>Inequality B</em>

-8\geq -\frac{5}{2}(5)+5

-8\geq -7.5 ---> is not true

so

the ordered pair not satisfy the inequality B

therefore

The ordered pair is not included in the solution area for the system

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4 years ago
What is the value of the expression 7−3? 343 −21 −1343 1343
Mrrafil [7]

Answer:

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For the next one are you asking 343-21-1343(1343)?

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