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3 years ago

What is the y-intercept of the function f(x) = –negative StartFraction 2 Over 9 EndFraction.x + ?

Mathematics

1 answer:

worty [1.4K]3 years ago

7 0

fdfghjkAdf negativo

Step-by-step explanation:

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Solve the simultaneous equations:<br><br> 3a-2b=14<br> 4a+3b=13

DaniilM [7]

Answer:

Step-by-step explanation:

3a-2b=14 multiply by 3

9a - 6b = 42 (1)

4a+3b=13 multiply by 2

8a +6b = 26 (2)

sum up (1) and (2)

17a = 68

a =4

b=-1

4 0

3 years ago

Read 2 more answers

The students at Joey's school voted for a new school color. 90 students voted for red and the other 10 students voted for blue.

pickupchik [31]

90% of the student voted for red and only 10% voted for blue.

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3 years ago

A search committee is formed to find a new software engineer.

Free_Kalibri [48]

Answer:

(a) 1,902,231,808,400

(b) 84

Step-by-step explanation:

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

${n\choose k}=\frac{n!}{k!\cdot(n-k)!}$

(a)

Compute the number of ways to select 9 applicants from 100 as follows:

${100\choose 9}=\frac{100!}{9!\cdot(100-9)!}$

$=\frac{100!}{9!\times 91!}\\\\=\frac{100\times 99\times 98\times 97\times 96\times 95\times 94\times 93\times 92\times 91!}{9!\times 91!}\\\\=\frac{100\times 99\times 98\times 97\times 96\times 95\times 94\times 93\times 92}{9!}\\\\=1902231808400$

(b)

Compute the number of ways to select 6 people from 9 as follows:

${9\choose 6}=\frac{9!}{6!\cdot(9-6)!}$

$=\frac{9!}{6!\times 3!}\\\\=\frac{9\times 8\times 7\times 6!}{6!\times 3!}\\\\=\frac{9\times 8\times 7}{3!}\\\\=84$

(c)

Compute the number of ways to select top 3 candidates from 6 as follows:

${6\choose 3}=\frac{6!}{3!\cdot(6-3)!}$

$=\frac{6!}{3!\times 3!}\\\\=\frac{6\times 5\times 4\times 3!}{3!\times 3!}\\\\=\frac{6\times 5\times 4}{3!}\\\\=20$

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3 years ago

The sales tax in your city is 8.8% and an item costs $63 before tax, How much tax would you pay on that item?

sveticcg [70]

Answer:

68.544

Step-by-step explanation:

64x(1+0.088)=68.544

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2 years ago

Sandy made several investments. She bought 1000 shares of a company’s stock for $8.60/share, she bought a bond with a face value

lbvjy [14]

Answer:

Gratmamahtytakluauyment

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3 years ago