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3 years ago

without solving determine the number of solutions to each of the following system of linear equation 2x+3y=3 3x+4y=5

Mathematics

1 answer:

tatiyna3 years ago

5 0

Answer:

2x+3y=3

x=3-3y/2

3x+4y=5

x=5-4y/3

Step-by-step explanation:

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3x + 5y = -19 5x - 2y = 16 solve for x and y

beks73 [17]

Step-by-step explanation:

2(3x + 5y = -19)

6x + 10y = -38

5 (5x -2y = 16)

25x - 10y = 80

19x = 42

but idk from there the rest doesn't work Soo if u can find the prob and tell me I'll fix it.

7 0

3 years ago

Please help me with this

Galina-37 [17]

1 1/8 square feet

1 4/5 • 1 5/8 = 9/8
9/8 reduces to 1 1/8

I hope this helps you :)

3 0

2 years ago

NEED HELP PLEASE!! 3 to the power of 4 + 2 ⋅ 5 = ____. (Input whole numbers only.)

olya-2409 [2.1K]

3^4 + 2 * 5 = 91

The answer is 91.

6 0

4 years ago

Mapiya writes a series of novels. She earned \$75{,}000$75,000dollar sign, 75, comma, 000 for the first book, and her cumulative

qwelly [4]

Answer:

$E(n)=75000 \times 2^n$

Complete question:

write a function that gives mapiyas cumulative earnings E(n), in dollars when she has written n sequel's

Step-by-step explanation:

According to the question, she earned $75000 for the first book.

Also,We are given that her cumulative earnings double with each sequel that she writes.

Assuming she has written n sequel's

Now since we are given that her cumulative earnings double with each sequel

So, her initial earning will be $2^n$ times

So, her earning will be : $75000 \times 2^n$

Now we are given that cumulative earnings is denoted by E(n)

So, the function becomes : $E(n)=75000 \times 2^n$

Hence a function that gives Mapiya's cumulative earnings E(n), in dollars when she has written n sequel's is $E(n)=75000 \times 2^n$

4 0

3 years ago

(40 POINTS)

34kurt

Answer:

1. y= 25400(1 + 0.11)^x

2. 2019

Step-by-step explanation:

1. y = a(1 + r)^x

(exponential growth formula :

a = initial value (the amount before measuring growth or decay)

r = growth or decay rate (usually represented as a percentage and expressed as a decimal)

x = number of time units that have passed)

y= 25400(1 + 0.11)^x

so in 1 year, in 1996, we would say

y=25400(1+0.11)^1

y=25400(1.11)

y=28194

2. I found the answer by plugging in numbers into x

with x = 24

y= 25400(1+0.11)^24

y= 310874

so in 24 years, the population will surpass 302438 which would be 1995+24= 2019

3 0

3 years ago

without solving determine the number of solutions to each of the following system of linear equation 2x+3y=3 3x+4y=5​

without solving determine the number of solutions to each of the following system of linear equation 2x+3y=3 3x+4y=5