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kirza4 [7]
2 years ago
9

Which line has a slope of -1/2? Line a Line b Line c Line d

Mathematics
2 answers:
photoshop1234 [79]2 years ago
5 0

Answer:

line D i think

Step-by-step explanation:

line a and c have a positive slope. and line b has a way negative slope.

Alex787 [66]2 years ago
4 0

Answer:

Line D

Step-by-step explanation:

In a slope, the numerator is the rise, and the denominator is the run. So, if the slope is -1/2, the line will go down 1 unit, and right 2 units.

-hope it helps

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-2 2/3 divided by 4/3
Vedmedyk [2.9K]

Answer:

-2

Step-by-step explanation:

Rule(s): a\frac{b}{c} = \frac{a \cdot c + b}{c}, \frac{-a}{b}=-\frac{a}{b}, \frac{\frac{a}{b}}{\frac{c}{d}}=\frac{a\cdot \:d}{b\cdot \:c} \\2\frac{2}{3}=\frac{2\cdot 3+2}{3}\\=\frac{8}{3}\\=\frac{-\frac{8}{3}}{\frac{4}{3}}\\=-\frac{\frac{8}{3}}{\frac{4}{3}}\\=\frac{-8\cdot \:3}{3\cdot \:4}\\= \frac{-24}{12}\\= -2

8 0
1 year ago
Simplify the sum. (7u3 + 8u2 + 7) + (8u3 – 3u + 7)
bazaltina [42]
= (7u³ + 8u² + 7) + (8u³ - 3u + 7)
Operate like terms together:

= 7u³ + 8u³ + 8u² - 3u + 7 + 7
= 15u³ + 8u² - 3u + 14

In short, Your Answer would be: 15u³ + 8u² - 3u + 14

Hope this helps!
8 0
2 years ago
Read 2 more answers
Simplify (7/2a)*(5/a^2)
anyanavicka [17]

Answer:

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Step-by-step explanation:

M A t h w a y

3 0
2 years ago
An accident at an oil drilling platform is causing a circular oil slick. The slick is 0.07 foot thick, and when the radius of th
ololo11 [35]

Answer:43.54 ft^3/min

Step-by-step explanation:

Given

Thickness of oil slick=0.07 foot

radius of slick=110 ft

\frac{\mathrm{d} r}{\mathrm{d} t}=0.9 ft/s

Let V be the volume of oil slick

so, V=0.07\pi \cdot r^2

rate of oil flowing is

\frac{\mathrm{d} V}{\mathrm{d} t}=0.07\times 2\pi \cdot r\frac{\mathrm{d} r}{\mathrm{d} t}

\frac{\mathrm{d} V}{\mathrm{d} t}=0.07\times 2\pi \times 110\times 0.9=43.54 ft^3/min

7 0
2 years ago
What is the answer to this 3a^2-9a
olchik [2.2K]
If i'm correct, the answer should be

-3a

hope this helped! 8)

4 0
2 years ago
Read 2 more answers
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