All categories

3 years ago

Please do this i will give brainlieast and will give 75 points. go to this and and enter the right stuff!

Mathematics

1 answer:

soldier1979 [14.2K]3 years ago

4 0

I'll take a look at it.

You might be interested in

Name the property used in: (5 + 2) + n = 7 + n

rjkz [21]

Additive indentity
$(5 + 2) + n$
n = 1
a variable is always a number itself remember 7+n
5+2 = 7

5 0

4 years ago

What is the factored form of the expression. (2n^2 + 5n + 3) (4n - 5)

7nadin3 [17]

So firstly, the factor (4n - 5) cannot be further factored, so we will be focusing on 2n² + 5n + 3.

So for this, we will be factoring by grouping. Firstly, what two terms have a product of 6n² and a sum of 5n? That would be 2n and 3n. Replace 5n with 2n + 3n:

$(2n^2 + 2n + 3n + 3)(4n - 5)$

Next, factor 2n² + 2n and 3n + 3 separately. Make sure that they have the same quantity on the inside of the parentheses:

$(2n(n+1)+3(n+1))(4n-5)$

Now we can rewrite this expression as $(2n+3)(n+1)(4n-5)$ , which is your final answer.

7 0

3 years ago

Mrs. Avery’s test for her 1st period lasted 9 minutes longer than it was supposed to. Write an expression for the total amount o

DedPeter [7]

It is m + 9 because if we let m = 60 and the lest was 9 minutes longer than m, the test would be 69 minutes long. Therefore the answer is m + 9

4 0

3 years ago

A truck was purchased for $25,000 in 2020 and each year its value decreases by 7%. How much will the truck be worth in

spin [16.1K]

Answer:

$3787.5

Step-by-step explanation:

Given data

Cost price= $25,000

Rate of decrease= 7%

Time= 2020-2026= 26 years

Let us apply the formula

A= P(1-r)^t

substitute

A= 25000(1-0.07)^26

A=25000(0.93)^26

A= 25000*0.1515

A= $3787.5

Hence the worth will be $3787.5

3 0

3 years ago

Here are the first five terms of an arithmetic sequence.

Assoli18 [71]

Answer:

The nth term of an AP will be 27 -7n.

Step-by-step explanation:

First five terms of the Arthemetic Sequence is given to us , which is 26 , 19 , 12 , 5

Hence here Common Difference can be found by subtracting two consecutive terms . Here which is 19 - 26 = (-7) .

Here first term is 26 .

And the nth term of an AP is given by ,

★ T_n = a + ( n - 1) d

Substituting respective values ,

⇒ T_n = a + ( n - 1 )d

⇒ T_n = 26 + (n - 1)(-7)

⇒ T_n = 26 -7n+1

⇒ T_n = 27 - 7n

<h3>Hence the nth term of an AP can be found using T_n = 27 - 7n. </h3>

8 0

3 years ago