2 years ago

Will mark as brainlist

Mathematics

1 answer:

lara [203]2 years ago

7 0

Step-by-step explanation:

Tn=ar^(n-1)

r=-10/-5=2

a=-5

Tn=-5×(2)^(n-1)

Tn=-5•(2)^(n-1)

an=5•(2)^(n-1)

You might be interested in

I don't understand the first one.

lyudmila [28]

Basically the question is asking if the proportions for the dimensions of the 2 rugs are the same, so in this case yes, since 6 X 8 can be written as 3 X 4 which if you set up a fraction you can easily multiply both the top and bottom number by 3 to get 9 X 12.

6 0

3 years ago

Read 2 more answers

Find the volume of a square pyramid 13 m tall whose base measures 5 m on a side

goblinko [34]

$a=5m;\ H=13m\\\\The\ volume\ of\ a\ square\ pyramid:V=\frac{1}{3}a^2H\\\\Subtitute\ the\ values\ of\ a\ and\ H:\\\\\boxed{V=\frac{1}{3}\cdot5^2\cdot13=\frac{1}{3}\cdot25\cdot13=\frac{325}{3}=108\frac{1}{3}\ (m^3)}$

8 0

3 years ago

What is 35 percent of 63?<br> O 1.8<br> O 3.15<br> O 18.9<br> O 22.05

Softa [21]

Answer:

22.05

Step-by-step explanation:

i used a calculator

8 0

3 years ago

Take your time to answer this question, I have till tomorrow.

Bad White [126]

it’s the 2 dark purple triangles

6 0

3 years ago

And can you help me with this also show work

Dmitriy789 [7]

Step-by-step explanation:

Fifth is B

Sixth I think it is D.

Hope this helps...

3 0

3 years ago