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3 years ago

Solve the formula d = st for s

Mathematics

2 answers:

Delvig [45]3 years ago

7 0

Answer: $s = \frac{d}{t}$

Step-by-step explanation:

You want to isolate s which means get it by itself. So all you gotta do is divide both sides by t

blagie [28]3 years ago

7 0

Answer:

d/t = s

Step-by-step explanation:

d = st

Divide each side by t to isolate s

d/t = st/t

d/t = s

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Indicate the general rule for the arithmetic sequence with a3 = -12 and a8 = -37

Mandarinka [93]

Answer:

The general rule is $a_n = -2 - 5(n-1)$

Step-by-step explanation:

Arithmetic sequence:

In an arithmetic sequence, the difference between consecutive terms is always the same, and this difference is called common difference.

The general rule of an arithmetic sequence is given by:

$a_{n} = a_1 + (n-1)d$

In which $a_1$ is the first term and d is the common difference.

We can also find the nth term as a function of a term m, using:

$a_n = a_m + (n-m)d$

a3 = -12 and a8 = -37

First we find the common difference. So

$a_n = a_m + (n-m)d$

$a_8 = a_3 + (8-3)d$

$-37 = -12 + 5d$

$5d = -25$

$d = -\frac{25}{5}$

$d = -5$

$a_n = a_1 - 5(n-1)$

Finding the first term:

$a_n = a_1 - 5(n-1)$

Since $a_3 = -12$

$a_n = a_1 - 5(n-1)$

$a_3 = a_1 - 5(3-1)$

$a_1 = a_3 + 10 = -12 + 10 = -2$

So the general rule is:

$a_n = a_1 - 5(n-1)$

$a_n = -2 - 5(n-1)$

6 0

2 years ago

Alyssa used 12 gallons of white paint for the ceiling of her kitchen and 13 gallons of white paint for her bedroom. She used

Arturiano [62]

She used 10 more gallons of green paint

Hope this helps if it does yourwelcome

6 0

2 years ago

Which quadrilateral below could have four different side lengths?

makvit [3.9K]

Answer:

c. trapezoid

Step-by-step explanation:

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3 years ago

Martin uses 5/8 of a gallon of paint to cover 4/5 of a wall. What is the unit rate at which Martin paints in walls per gallon?

Tanya [424]

Remember, (a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)

so

walls per gallon
4/5 wall per 5/8 gallon
(4/5)/(5/8)
(4/5)(8/5)
32/25
1.28
the unit rate is 1.28 walls per gallon

3 0

3 years ago

The average grade of an English class rose fro 70 to 85, what is the approximate percent increase?

hodyreva [135]

Answer:

Step-by-step explanation:

85 - 70 = 15

15/70 = 0.21428571428

Round to .21

Move decimal over twice to the right

21%

5 0

2 years ago