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Thepotemich [5.8K]
3 years ago
9

Is an estimate of 8 as the difference between 4.7 and -3.3 reasonable? Explain.

Mathematics
1 answer:
iris [78.8K]3 years ago
3 0

\bf \underset{\textit{\large 3.3 + 4.7 = 8}}{\stackrel{\textit{3.3 units}}{\boxed{-3.3}\rule[0.35em]{10em}{0.25pt}}0\stackrel{\textit{4.7 units}}{\rule[0.35em]{17em}{0.25pt}\boxed{4.7}}}

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Someones answer q3 ill mark as brainliest pleaseee
il63 [147K]

The length of the rectangle is x and the height is x-2

To find the area of a rectangle you multiply length times width

l(w) = 146

x(x-2) = 146

x^2 - 2x = 146

5 0
3 years ago
If the diameter of a cylinder is 18 inches, the radius of the cylinder is 9 inches.
Afina-wow [57]

Answer:

True

Step-by-step explanation:

A cylinder has two circles as its bases, and the diameter formula is:

2r = d

So if you plug in:

2r = 18

---    ---

2     2

r = 9

So it will be true.

Hope this helped.

7 0
3 years ago
Two cards are drawn in succession from a standard 52-card deck.1. What is the probability that the first card is red and the sec
rodikova [14]

Answer:

52 cards:

26 red and 26 black

P(R) = probability of picking a red card

P(B) = probability of picking a black card

P(R) = P(B) = ¹/₂

If with replacement:

P(R∩B) = (¹/₂)(¹/₂) = ¹/₄

If without replacement:

P(R∩B) = (¹/₂)(²⁶/₅₁) = ¹³/₅₁

8 Balls:

3 red and 5 white

P(R) = probability of picking a red ball

P(W) = probability of picking a white ball

P(R) = ³/₈

P(W) = ⁵/₈

If with replacement:

P(R∩W) ∪ P(W∩R) = (³/₈)(⁵/₈) + (⁵/₈)(³/₈)

= ¹⁵/₆₄ + ¹⁵/₆₄

= ³⁰/₆₄

= ¹⁵/₃₂

If without replacement:

P(R∩W) ∪ P(W∩R) = (³/₈)(⁵/₇) + (⁵/₈)(³/₇)

= ¹⁵/₄₂ + ¹⁵/₄₂

= ³⁰/₄₂

= ⁵/₇

8 0
2 years ago
if my grade is 69% what will my grade be if i got a 3.3 of 4 on a essay and it's worth 25% of my grade?​
juin [17]

Answer:

72.4%

Step-by-step explanation:

The essay is 25% of your grade, and the rest is 75% of your grade.

25 (3.3/4) + 75 (0.69) ≈ 72.4

6 0
3 years ago
Algebra 2: Functions, graphing, and transformations.
erastovalidia [21]

Answer:

The answer is  “C” (Shifts left 3 units)

Step-by-step explanation:

To find the transformation, compare the function to the parent function and check to see if there is a horizontal or vertical shift, reflection about the x-axis or y-axis, and if there is a vertical stretch.

5 0
3 years ago
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