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alexdok [17]
3 years ago
8

What errors did the student make? Check all that apply. The percent values were written incorrectly in the equation. The amount

of 7% solution should be written as 1 – x, not x – 1. The equation as written is solved incorrectly. x ≠ 1.17. x must represent the amount of the more highly concentrated solution. The interpretation is incorrect. 1 liter of 2% solution is needed to make 1.17 liters of 3.5% solution.
Mathematics
1 answer:
Sphinxa [80]3 years ago
8 0

Answer: A, B

Step-by-step explanation:

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Determine the area of a parallelogram if<br> its base is 16 cm and its height is 7 cm.
ella [17]
<h3>Answer: 112 square cm</h3>

=====================================

Work Shown:

area = base*height

area = 16*7

area = 112 square cm

----------------

Extra info (optional section):

The area formula for a parallelogram is the same as the formula for a rectangle. Imagine tilting a rectangle so that it's slanted. The area has not changed.

Or another thing to imagine is that let's say we had a stack of 2 by 4s. If the stack is perfectly vertical, aka forming a rectangle, then we can nudge the beams so that we can form a slanted parallelogram instead. Both configurations involve the same amount of wood, and therefore would lead to the same frontal surface area.

3 0
3 years ago
Write a rule for the nth term of the geometric sequence for which a1=−6 and a5=−486
patriot [66]

The geometric rule for the nth term of the geometric sequence for which a1 =−6 and a5=−486 is -6 × 3^(n - 1)

<h3>The nth term of a geometric sequence</h3>

First term, a1 = -6

Fifth term, a5 = -486

a5 = ar^(n - 1)

-486 = -6 × r^(5-1)

-486 = -6r⁴

r⁴ = -486 / 6

r⁴ = 81

r = 4√81

r = 3

Geometric rule:

nth term = ar^(n-1)

nth term = -6 × 3^(n - 1)

Learn more about geometric sequence:

brainly.com/question/24643676

#SPJ1

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The area of the right triangle shown is 24 square feet.
Aleonysh [2.5K]

Answer:a b and d

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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How much more intense is an 8. 5 earthquake than a 5. 5
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Answer:

it is more intense by 3.0

Step-by-step explanation:

6 0
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