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A furniture maker uses the specification 19.88 ≤ w ≤ 20.12
The absolute value inequality is
Given :
A furniture maker uses the specification 19.88 ≤ w ≤ 20.12 for the width w in inches of a desk drawer
We need to write the given inequality in absolute value inequality
if then absolute value inequality is
To find out value of 'a' and 'b' we need to use the given inequality
compare a-b<x<a+b with given inequality
Solve for 'a' and 'b'
Add both equations
Now find out b
The required absolute value inequality is
Learn more : brainly.com/question/1770168
The correct answer is:
|w-20| ≤ 0.12.
Explanation:
We first find the average of the two ends of the inequality:
(19.88+20.12)/2 = 40/2 = 20
This will be the number subtracted from w in the inequality.
Now we find the difference between this value and the ends:
20-19.88 = 0.12
20.12 - 20 = 0.12
This will be what our absolute value inequality ends with; the "answer" part, so to speak.
Since this inequality is written in compact form, it must be an "and" inequality; this means the absolute value inequality must be a "less than or equal to."
This gives us
|w-20| ≤ 0.12
A. Both parabolas open downward, and y = -7x2 is wider than y = -3x2.
B. Both parabolas open downward, and y = -3x2 is wider than y = -7x2.
C. Both parabolas open to the left, and y = -3x2 is wider than y = -7x2.
D. Both parabolas open to the left, and y = -7x2 is wider than y = -3x2.
Answer: The correct statement is (B). Both parabolas open downward, and is wider than
Step-by-step explanation: The equations of the two parabolas are as follows:
The standard equation of a parabola is given by
If a < 0, then the parabola open downwards and if a > 0, then the parabola open upwards.
From equation (i), we have
so a = -3 < 0, so the parabola (i) open downwards.
From equation (ii), we have
so a = -7 < 0, so the parabola (ii) open upwards.
Also, since -3 > -7, so the parabola (i) is wider than the parabola (ii).
Therefore, both parabolas open downward, and is wider than
The graphs of the parabolas are shown in the attached figure.
Thus, (B) is the correct ption.
The answer would be B. Both parabolas open downward, and y = -3x2 is wider than y = -7x2.
6 < –3x < 5
–2 > x > –5/3
a.The student should have added 4 to all parts (left, middle, and right) to get 6 < –3x < 9.
b.The student divided 6/–3 incorrectly.
c.The student should not have switched the direction of the sign in the final step.
The second step is wrong because he did not add 4 to the number 5. Then the correct option is A.
Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.
The solution to inequality is given below.
Step 1 ⇒ 2 < –3x –4 < 5
Step 2 ⇒ 6 < –3x < 5
Step 3 ⇒ –2 > x > –5/3
The student should have added 4 to all parts (left, middle, and right) to get 6 < –3x < 9.
The second step is wrong because he did not add 4 to the number 5. Then the correct option is A.
More about the inequality link is given below.
#SPJ2
the answer is a, the students should have added 4 to all parts
v1, v2, v3, v5
Answer:
5
Step-by-step explanation:
Answer:
No, a square is NOT the cross section of a rectangular and triangular prism.
Step-by-step explanation:
Prisms have a uniform cross-section and are named after their cross-section. Hence, the cross-section of a rectangular prism is a rectangle and the cross-section of a triangular prism is a triangle. The only prism with a square cross-section is a cube.