3 years ago

Help lol

Mathematics

2 answers:

dangina [55]3 years ago

3 0

Answer:

42 cm

Step-by-step explanation:

The radius is always exactly half of the diameter.

mixer [17]3 years ago

3 0

42, the radius is half the diameter so you’d double the radius to find the diameter.

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The sum of two numbers is 40. One number is 4 less than the other. Find the numbers

yawa3891 [41]

One number is 18 and the other is 22

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3 years ago

In the diagram, DC is tangent to the circle, AC = 12 cm, and BD=2134 cm. Find AD.

olasank [31]

The answer is D Because in a tangent

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4 years ago

The 13th term of a geometric sequence is 16, 384 and the first term is 4. What is the common ratio?

AleksAgata [21]

Answer:

$\large \boxed{2}$

Step-by-step explanation:

The formula for the nth term of a geometric sequence is

aₙ = a₁rⁿ⁻¹

In your geometric sequence, a₁ = 4 and a₁₃ = 16 384.

$\begin{array}{rcl}16384 & = & 4r^{(13 - 1)}}\\16384 & = & 4r^{12}\\4096 & = & r^{12}\\3.6124 & = & 12 \log r\\0.30102 & = & \log r\\r & = & 10^{0.30102}\\ & = & \mathbf{2}\\\end{array}\\\text{The common ratio is $\large \boxed{\mathbf{2}}$}$

Check:

$\begin{array}{rcl}16384 & = & 4(2)^{12}\\16384 & = & 4(4096)\\16384 & = & 16384\\\end{array}$

It checks.

7 0

3 years ago

HELP PLEASE DUE IN 3 MINUTES

Arisa [49]

Answer: 6

Steps:
7 + 11 + 0 = 18
18/3 = 6

3 0

3 years ago

Read 2 more answers

Help me plz i dont get it its alot ill mark brainliest

Tanzania [10]

Answer:

I CANT SEE IT sorry caops

Step-by-step explanation:

if i could see i could answer

7 0

3 years ago