-4-(-3) = -1 K 1 t) Rewatch Submit

Mathematics

1 answer:

Alex_Xolod [135]2 years ago

8 0

Answer:

-1

Step-by-step explanation:

-4-(-3) ---> -4+3 = -1

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The cost of watching videos on a website is represented by C(a) = 3.00a + 4.00, where a is the number of videos watched. The cos

aksik [14]

Answer:

The answer is A; H(a) = 3.00a +19.00; shift 15 units up

Step-by-step explanation:

If the downloading feature is enabled the cost function becomes H(a) = 3.00a + 19.00

The y-interpret of H(a) is 15 greater than the y-intercept if C(a)

The slopes of both functions are the same

3 0

3 years ago

Will give 25 points and brainliest answer if correct

Norma-Jean [14]

Let $d$ be the common difference between terms in the sequence $\{a_n\}_{n\ge1}$ . Then

$a_{19}=-58$
$a_{20}=a_{19}+d$
$a_{21}=a_{19}+2d$
$\implies-164=-58+2d\implies d=-53$

The first term in the sequence, $a_1$ , satisfies

$a_2=a_1+d$
$a_3=a_1+2d$
$a_4=a_1+3d$
...
$a_{19}=a_1+18d$
$\implies-58=a_1+18(-53)\implies a_1=896$

So the explicit formula for the $n$ -th term in the sequence is

$a_n=a_1+(n-1)d\implies a_n=896-53(n-1)$

5 0

3 years ago

PLEASE HELP ME I WILL MARK YOU BRAINLIST

mario62 [17]

Answer:

37.5

Step-by-step explanation:

if it decreases by 1/2 every 8 hours;

( 3×8= 24)

the first 8 hours 1/2×300 =150 gram

the second 8 hours(16 hours) = 1/2×150=75 gram

the third 8 hours(24 hours) = 1/2×75= 37.5gram