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3 years ago

Answer the 5th and 6th one only please

Mathematics

1 answer:

rewona [7]3 years ago

6 0

Answer:

5)i. 7/1

ii. -8/1

iii. 2/1

iv. 9/1

v.0/1

5)i.4

ii.-5

iii. -7

iv. 3

v. 5

Step-by-step explanation:

interger/1 = rational number (anyt that can be expressed as a fraction)

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Use the permutation formula to solve a problem when n = 8 and r = 2.

Arisa [49]

Answer:

Option A. 56

Step-by-step explanation:

From the question given above, the following data were obtained:

Total number (n) = 8

Item taken for permutation (r) = 2

Pemutation (P) =?

ₙPᵣ = n! / (n – r)!

₈P₂ = 8! / (8 – 2)!

₈P₂ = 8! / 6!

₈P₂ = 8 × 7 × 6! / 6!

₈P₂ = 8 × 7

₈P₂ = 56

4 0

3 years ago

Lorinda has 10 books on her bookshelf. 6 of these books have blue covers, and 4 have red covers.

crimeas [40]

Answer:

there is 60% chance it is blue and 50% its a fantasy one.

Step-by-step explanation:

6 out of 10 = 60%

3 out of 6 or 2 out of four is 50%

5 0

3 years ago

Graph y = -1/3x + 5 (help)

Serga [27]

<h2>ANSWERS:</h2>

Graph: See attached image

Slope: $-\frac{1}{3}$

Y- intercept: (0,5)

X-intercept: (15,0)

Domain: (-∞,∞)

Range: (-∞,∞)

I hope this helped! Good luck with your mathematics class!

6 0

3 years ago

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Sergio [31]

I believe it will be 1/8

5 0

3 years ago

4. k/6 = 8/16 5. 5.4/7 = 27/h 6. 8/11 = 4/y+2

kupik [55]

Answer:

4. $k=3\\$

5. $h=35$

6. $\frac{7}{2}$ or 3.5

Step-by-step explanation:

$\frac{k}{6}=\frac{8}{16}$

Multiply those 2 values whose diagonal has both terms and divide by the term whose diagonal has the variable.

$k=\frac{8*6}{16}\\ k=\frac{48}{16}\\ k=3$

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

$\frac{5.4}{7}=\frac{27}{h}$

$h=\frac{7*27}{5.4} \\h=\frac{189}{5.4}\\ h=35$

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

$\frac{8}{11}=\frac{4}{y+2}$

$y+2=\frac{11*4}{8}\\ y=\frac{11*4}{8}-2\\y=\frac{44}{8}-2 \\y=\frac{11}{2}-2\\ y=\frac{11-2*2}{2}\\ y=\frac{11-4}{2}\\ y=\frac{7}{2}=3.5$

7 0

3 years ago