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3 years ago

Given the equation ay + bx - c = 0, solve for the variable c

Mathematics

1 answer:

Gre4nikov [31]3 years ago

5 0

Answer:

Step-by-step explanation:

a= -bx+c divided by y

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Mrs smith and i went to the shop to creme eggs at 23p each & kinder eggs at 47 peach in bulk. We bought 141 eggs altogether

Flura [38]

Answer:

Step-by-step explanation:

Mrs smith and i went to the shop to creme eggs at 23p each & kinder eggs at 47 peach in bulk. We bought 141 eggs altogether & it came to 48.51 how many creme eggs did we buy ?

3 0

3 years ago

Ilya builds a slide that is 2.9 meters long. It is 1.5 meters above the ground. He wants to determine the distance from the bott

aalyn [17]

The answer is the first diagram (light blue color in the choices) where 2.9m is the hypotenuse or the longest length. The height of the altitude is 1.5 meter and it is perpendicular from the ground level. The angle opposite to 2.9m is 90°.

6 0

4 years ago

Read 2 more answers

Miko has a vast collection of books in her library. English books make up

k0ka [10]

Answer:

168 books

Step-by-step explanation:

Given

$English = \frac{3}{8}$

$Chinese = \frac{5}{7}$ of the remaining books

Required

Determine the total number of books

If the proportion of the English books is 3/8, the the remaining is:

$Remaining = 1 - English$

$Remaining = 1 - \frac{3}{8}$

Take LCM

$Remaining = \frac{8 - 3}{8}$

$Remaining = \frac{5}{8}$

From the question, we understand that:

$Chinese = \frac{5}{7}$ of the remaining books

This means:

$Chinese = \frac{5}{7} * \frac{5}{8}$

$Chinese = \frac{5*5}{7*8}$

$Chinese = \frac{25}{56}$

From the question, we also understand that 75 are Chinese books.

The total number of books can then be calculated using:

$Chinese = \frac{25}{56} * Total$

Substitute 75 for Chinese

$75 = \frac{25}{56} * Total$

Make Total the subject:

$Total = \frac{56 * 75}{25}$

$Total = \frac{4200}{25}$

$Total = 168$

7 0

3 years ago

A person is taking a 13-question multiple-choice test for which each question has three answer choices, only one of which is

motikmotik

The probability of getting fewer than 3 correct answers is 0.1385

<h3>How calculate the probability of getting fewer than 3 correct answers?</h3>

This is a binomial problem with n = 13

Since we are dealing with a binomial probability distribution. We are going to use the binomial distribution formula for determining the probability of x successes:

P(x = r) = nCr . p^r . q^n-r

total choices = 13 x 3 = 39

p = P(correct answer) = 13/39 =1/3

Given: n = 13, p = 1/3, q = 1- 1/3 = 2/3

Fewer than 3 correct answers mean less than 3 correct answers

P(x<3) = P(x = 0) + P(x=1) + P(x=2)

P(x<3) = (13C0 × (1/3)^0 × (2/3)^13-0) + (13C1 × (1/3)^1 × (2/3)^13-1 + (13C2 × (1/3)^2 × (2/3)^13-2)

= 0.005138 + 0.0333 + 0.1001

= 0.1385

Therefore, the probability that the person gets fewer than 3 correct answers is 0.1385

Learn more about binomial distribution on:

brainly.com/question/29220138

#SPJ1

6 0

1 year ago

What times what equals -144 and adds to equal -24

ra1l [238]

X+x=-24\\ x\cdot x = 144\\ \\ 2x=-24 \ \ /: 2\ \\x^2=144 \\ \\x=-12\\( -12)^2 =144\\ \\x=-12\\ \\144 =144 \\ \\ Answer :\ it \ is \ ( -12)

8 0

3 years ago