2 years ago

HELP!

Mathematics

1 answer:

Vesna [10]2 years ago

4 0

A(n)=a+(n-1)d
A(40)= -1+(40-1)-4
A(40)= -1+39(-4)
A(40)= -1+(-156)
A(40)= -157

You might be interested in

What is 144 divided by 3 and does it have a remainder

Karolina [17]

The answer is 48 and no.

5 0

3 years ago

Read 2 more answers

What is the solution(s) to the equation 5a2 - 44 = 81?

taurus [48]

Answer:

Step-by-step explanation:

5a^2 - 44 = 81 Add 44 to both sides

5a^2 = 81 + 44 Collect like terms

5a^2 = 125 Divide both sides by 5

a^2 = 125/5

a^2 = 25 Take the square root of both sides

√a^2 = √25

a = +5

a = -5

The answer is B

7 0

2 years ago

Find the lesser of two consecutive integers with a sum greater than 16.

Cerrena [4.2K]

A number that is less that 7.5 can be used as the lesser of the two consecutive integers with the sum greater than 16, but only if the number used was added with one.

8 0

3 years ago

Read 2 more answers

Y’all I need help, MATH, please correct answer and how you did it:)

Y_Kistochka [10]

21 I think I'm not sure tho

8 0

2 years ago

Read 2 more answers

Help, how would I get my answer for this question?

Maslowich

Answer:

$(-4,32)$

Step-by-step explanation:

Given points are $(-1,-8)$

And given transformation is $D_4$ $r_{x-axis}$

We will start from left to right.

First transformation is reflection about x-axis.

When we reflect about x-axis $(x,y)\ became\ (x,-y)$

So, $(-1,-8)=[-1,-(-8)]=(-1,8)$

Now next transformation is dilation with a factor 4.

If we do dilation with a factor $'k'$ to the point $(x,y)$

New co-ordinates after dilation became $(kx,ky)$

So, $(-1,8)\ became\ (-4,32)$

8 0

2 years ago