Simplify the expression 7(1 +5v) =​

Answers

Answer 1
Answer: the answer is 7 + 35v
Answer 2
Answer:

Answer:

7 + 35v

Step-by-step explanation:

7 × 1 + 5v × 7

7 + 35v

Hope this helps and have a nice life d:


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Lily used 6 loaves of bread on a 7 day camping trip. How many loaves of bread will she use on her next camping trip that will last for 21 days? ​

Answers

Answer:

18

Step-by-step explanation:

Answer:

18

Step-by-step explanation:

If six loaves lasted seven days, and she is going for 21 days next time, that is three times the amount of days she went on her last camping trip. so you multiply the amount of loaves by 3.

I need help plz plz plz help me ASAP. And SHOW YOUR WORK

Answers

r= 8

C= 2,5•r+15
C= 2,5•8+15
C= 20+15
C= 35


Nina's total cost will be 35 $, £, € (i don't know which of them)

Answer:

The cost of the wristband for 8 rides is $35.

Step-by-step explanation:

The expression for the cost, C, for r rides is

C = 2.5r + 15

Since she wants to go on 8 rides, r is 8.

Substitute r with 8 in the cost equation and evaluate it.

C = 2.5r + 15

C = 2.5 * 8 + 15

C = 20 + 15

C = 35

The cost of the wristband for 8 rides is $35.

Which if the following quartic functions has x = 1 and x =

Answers

Answer:

y = x⁴ +4x³ +4x² +4x +3

Step-by-step explanation:

The coefficients of the offered quartics (in order) have 1, 1, 1, and 0 sign changes, respectively. Descartes' rule of signs tells you this means the first three choices all have one (1) positive real root, so the negative real roots -1 and -3 are not the only ones.

The only possible polynomial is the last one. Synthetic division of that polynomial by roots -1 and -3 leave the remaining factor as x²+1, which has only complex zeros.

The appropriate choice is ...

... y = x⁴ +4x³ +4x² +4x +3

I’m slow , can i get help on this asap please ?

Answers

140°
Pentagons add up to 540° so if you add all the degrees you get 400° and if subtracted from 540° you get 140°

If f (x)=x/2+8 what is f (x) when x=10​

Answers

Answer: 13

Step-by-step explanation: Plug 10 in for x; 10/2=5; 5+8=13

Please help me with this homework equation I don’t understand and need help someone please do step by step

Answers

Step-by-step explanation:

f'(x) = 6x-12

in vertex : f'(x) = 0

6x-12 =0 => x=2

f(2) = 3 ( 2² ) -12 (2 ) +1 = -11

vertex ( 2 , -11 )