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Talja [164]
3 years ago
9

Jameson is taking a multiple-choice test and he doesn't know an answer. He can answer A, B, C, D or E. What is the probability t

hat he will guess correctly?
Mathematics
1 answer:
maks197457 [2]3 years ago
5 0
The probability that he will guess correctly is:

1/5
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U is a midsegment of AFGH. 1) = 7, FH = 9, and GH= 12. Find the perimeter of AIJH. F​
OleMash [197]

Answer:

perimeter of triangle IJH= 17.5

Step-by-step explanation:

line IJ is a midsegment, so you can divide the segments FH and GH by 2.

that means segment IH= 4.5 and segment GH=6. segment IJ is given as 7.

add 4.5 + 6 + 7, which equals 17.5

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3 years ago
What is the slope of the line?
Anarel [89]

Answer:

-3/4

Step-by-step explanation:

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3 years ago
Jessica fills a cube shaped tank that has an edge of 70 cm with water from a tap. Water flows into the tank at a rate of 7L per
daser333 [38]

The volume of the tank is (70 cm)³ = 343,000 cm³.

Now,

1 mL = 1 cm³

1 L = 1000 mL

so we convert the given rate to

\dfrac{7\,\rm L}{1\,\rm min} \cdot \dfrac{1000\,\rm mL}{1\,\rm L} \cdot \dfrac{1\,\mathrm{cm}^3}{1\,\rm mL} = \dfrac{7000\,\mathrm{cm}^3}{1\,\rm min}

Then the time it will take to fill up the tank is

343,000\,\mathrm{cm}^3 \cdot \dfrac{1\,\rm min}{7000\,\mathrm{cm}^3} = \boxed{49\,\rm min}

6 0
1 year ago
-x + 3y = -23<br> -8x - 3y = -22<br> using elimination
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4 0
3 years ago
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Evaluate the following expression <br> 20/ 2 + 8
vitfil [10]

Answer:

18

Step-by-step explanation:

20/2 + 8

Divide the numerator and denominator by 2

20 / 2

2 / 2

Divide the numbers

10

2 / 2

=

10 / 1

Any expression divided by 1 remains the same

10 + 8 = 18

3 0
3 years ago
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