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adell [148]
2 years ago
8

Solve the system of equations 3r – 4s = 0 and 2r + 5s = 23.

Mathematics
1 answer:
Semenov [28]2 years ago
3 0
R=4
S=3

Hope it helps :D
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Let f(x) = x 7 and g(x) = x − 4. find f(x) ⋅ g(x). x2 − 3x − 28 x2 − 3x − 11 x2 3x − 28 x2 3x − 11
vladimir1956 [14]
(x + 7)(x - 4) = x^2 - 4x + 7x - 28 = x^2 + 3x - 28


6 0
2 years ago
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Let B be between A and C. If AB = 3x + 5, BC = 5x - 1, AC = 36, solve for x.
Elina [12.6K]

Answer:

The value of x is 4.

Step-by-step explanation:

Given:

Let B be between A and C.

AB = 3x + 5

BC = 5x - 1

AC = 36

To Find:

x=?

Solution:

B be between A and C as shown in Figure

A-B-C such that

AC=AB+BC           ...........Line Addition Property

Substituting the given values we get

36=3x+5+5x-1=8x+4\\\\\therefore 8x=36-4=32\\\\\therefore x=\dfrac{32}{8}=4\\\\\therefore x=4

The value of x is 4.

8 0
3 years ago
Which of the following numbers is a multiple of 6?<br> A. 333<br> B. 882<br> C. 424<br> D. 106
gladu [14]
If a number is a multipule of 6 then it is a multiplule of 2 AND 3

if a number is a multiplule of 2 then the last digit should be divisible by 2 (ie, 0,2,4,6,8)

if a number is divisible by 3, then the sum of its digits is divisble by 3
try each

A. 333
last number is not divisible by 2 so not divisible by 6

B. 882
2 is divisible by 2
8+8+2=18
18/3=6
divisible by 6 yes

C. 424
4 is disibielbe by 2
4+2+4=10
10/3=not a whole number so not divisible by 6

D. 106
6 is divisible by 2
1+0+6=7
7/3= not a whole number so not divibislb eby 6


answer is B
6 0
2 years ago
Read 2 more answers
How do I write 55555 in expanded form
marta [7]

Answer:

FIFTY - FIVE THOUSAND FIVE HUNDRED AND FIFTY-FIVE

Step-by-step explanation:

7 0
2 years ago
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35. Sam can join a gym for $25.00 per month or
Natali [406]

Answer:

21 months

Step-by-step explanation:

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By the 21st month, Sam would have paid $525 making the flat fee a better choice.

7 0
3 years ago
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