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olga2289 [7]
3 years ago
15

171

Mathematics
1 answer:
sdas [7]3 years ago
6 0

Answer:

21

Step-by-step explanation:

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Find the area of the triangle.
Maslowich

Answer:

Area of triangle = 1/2*b*h

\frac{1}{2} * 2.8* 7.8\\\frac{1}{2} * 21.84\\\frac{21.84}{2}\\= 10.92

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3 years ago
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STRUCTURE A quality control inspector at a bolt factory examines random bolts that come off the assembly line. All bolts being m
ELEN [110]

From an absolute value inequality, we have that:

  • The minimum diameter is 6.46 mm.
  • The maximum diameter is 6.54 mm.

  • The absolute value measures the <u>distance of a point or a function to the origin</u>.
  • One example of inequality is:

|f(x)| \leq a

Which has solution:

-a \leq f(x) \leq a

In this problem:

  • Bolts with a diameter of 6.5 mm, with a tolerance of 0.04 mm, thus the <u>absolute value of the difference of the diameter D and 6.5 has to be of at most 0.04</u>, that is:

|D - 6.5| \leq 0.04

Applying the solution:

-0.04 \leq D - 6.5 \leq 0.04

-0.04 \leq D - 6.5

D - 6.5 \geq -0.04

D \geq 6.46

\leq D - 6.5 \leq 0.04

D \leq 6.54

  • The minimum diameter is 6.46 mm.
  • The maximum diameter is 6.54 mm.

A similar problem is given at brainly.com/question/24835634

5 0
3 years ago
At a local grocery store, the cost of apples varies directly with the weight of the apples. If a 5-pound bag
son4ous [18]

Answer:

$4.72

Step-by-step explanation:

7.87÷5=1.574

1.574×3=4.722

so, $4.72 is your answer.

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3 years ago
Find the possible values of r in the inequality 5 &gt; r - 3.
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The answer to this question is A
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4 years ago
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What is 68,642 rounded to the nearest thousand?
Sergeeva-Olga [200]
68,642 rounded to the nearest thousand is 69,000.

It's because 68,642 is closer to 69,000 than to 68,000.

I hope it will help you and give a clue for rounding numbers in the future ;)
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3 years ago
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