2 years ago

Evaluate 4 + s × 12, where s= 1/2 (A) 6 (B) 10 (C) 24 (D) 54

Mathematics

2 answers:

yKpoI14uk [10]2 years ago

8 0

Answer:

Step-by-step explanation:

4 + s x 12

4 + (s x 12)

s = 1/2

substitute for s

4 + (1/2 x 12)

4 + 6 = 10

Marizza181 [45]2 years ago

6 0

Answer:

(B) 10

Step-by-step explanation:

f(s) = 4 + s × 12

f(1/2) = 4 + (1/2) × 12

= 4 + 6

= 10

You might be interested in

Please help i'm not that good at math. Determine the number of real solutions for each system of equations.

ratelena [41]

System A has ONE real solution

System B has NO real solutions

System C has ONE real solution

7 0

3 years ago

Read 2 more answers

Is the square root of 8 greater than, less than, or equal to 4 ?

Tom [10]

Answer:

√8 is less than 4

Step-by-step explanation:

We need to compare √8 and 4

To compare the numbers they should both be in the same format

√8 is not a perfect square so we'll put number 4 under root

4 = √4² = √16

Now we compare

√8 < √16

So √8 is less than 4

3 0

2 years ago

18. Madison stayed 3 nights at a hotel that charged x dollars per night. The sales tax was 12.5%. Which expression represents th

sdas [7]

Answer:

D. 3x(1.125)

Step-by-step explanation:

6 0

2 years ago

Make X the subject of the formula will mark brainliest!!

irga5000 [103]

Answer:

$y = \frac{x + 2}{x - 4} \\ xy - 4y = x + 2 \\ xy - x = 4y + 2 \\ x(y - 1) = 4y + 2 \\ x = \frac{4y + 2}{y - 1} \\ \boxed{x = \frac{2(2y + 1)}{y - 1} }$

hope this helps.

3 0

2 years ago

The quantity r varies jointly with t and u and inversely with s when t= -12, u= -7, and s= -4, r= -126. Find r when t= -8, u= 8,

vichka [17]

Answer:

r = 64

Step-by-step explanation:

r = (k*t*u)/s

Where,

k = constant of proportionality

t = -12,

u= -7,

s= -4,

r= -126.

r = (k*t*u)/s

-126 = (k*-12*-7)/-4

-126 * -4 = 84k

504 = 84k

k = 504/84

k = 6

Find r when t= -8, u= 8, and s= -6.

r = (k*t*u)/s

= (6*-8*8) / -6

= -384 / -6

= 64

r = 64

6 0

2 years ago