3 years ago

Find the slope of the line through the pair of points. (1,15) and (-3,-6)

Mathematics

1 answer:

Juli2301 [7.4K]3 years ago

7 0

Answer:

21/4

Step-by-step explanation:

-6-15/ -3-1= -21/-4=21/4

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What is 7P4 A: 28 B: 35 C: 210 D: 840

Semmy [17]

Answer:

Step-by-step explanation:

using the definition of n $P_{r}$ = $\frac{n!}{(n-r)!}$

where n! = n(n- 1)(n - 2)......× 3 × 2 × 1

here n = 7 and r = 4, hence

7 $P_{4}$

= $\frac{7!}{3!}$

= $\frac{7(6)(5)(4)(3)(2)(1)}{3(2)(1)}$ ← cancel 3 × 2 × 1 leaving

7 $P_{4}$ = 7 × 6 × 5 × 4 = 840 → D

4 0

3 years ago

Read 2 more answers

Sarah, Fiona and David share £40 in a ratio 3:3:2. How much money does each person get?

LuckyWell [14K]

Answer:

ratio:3:3:2

total of ratio=3+3+2=8

total money=40

sara gets 5x 3/8=15

eiona gets 5x 3/8+15

david gets=5x 2/8=10

Step-by-step explanation:

5 0

2 years ago

Rewrite each fraction with a denominator of 24 2/3 and 5/8

Tresset [83]

Answer:

2/3 = 16/24

5/8 = 15/24

Step-by-step explanation:

2/3= 16/24

5/8= 15/24

because if you multiply across $\frac{2}{3}$ by $\frac{8}{8}$ equal $\frac{16}{24}$

and if you multiply across $\frac{5}{8}$ by $\frac{3}{3}$ equal $\frac{14}{24}$

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3 years ago

Lawrence scores on her math tests are 93 91 98 195 92 and 96 what score could Lauren get on your next math test so that the mean

Rufina [12.5K]

Median 94.5
mean 110.83

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3 years ago

Jacques deposited $1900 into an account that earns 4% interest. After t year, jaques has $3875.79in the account. How long was th

Sladkaya [172]

Deposit = $1900
Amount After interest = $3875.79
% interest = 4%
Interest = 1975.79

Time For Interest Period

4/100 × 1900 × t = 1975.79
76 t = 1975.79
=26 years

Answer = 26years

5 0

3 years ago