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3 years ago

5

Help a g out plz I’ll give a brainliest ‍♀️

1 answer:

Gelneren [198K]3 years ago

5 0

Answer:

(c-a,b)

Step-by-step explanation:

Bottom of shape is equal to 4a, or c.

R is to be located at (3a, b)

c-a=3a, ∴r: (c-a,b)

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The first term of a geometric sequence is 6, and the ratio (multiplier) is 0.5. What is the sum of the first 8 terms, rounded to

IRISSAK [1]

The sum of the first $n$ terms of a geometric sequence is given by:

$S_{n}=\frac{a_{1}(1-r^{n})}{1-2}$

Using the known values:
$S_{8}=\frac{6(1-0.5^{8})}{1-0.5}$
$S_{8}=\frac{6(1-0.00390625)}{0.5}$
$S_{8}=\frac{6(0.99609375)}{0.5}$
$S_{8}=\frac{5.9765625}{0.5}$
$S_{8}=11.953125$

4 0

3 years ago

Julie had 2730 cards and Kim had 3570 cards at first.

Anna71 [15]

Answer:

1155

Step-by-step explanation:

Total number of cards is 2730+3570=6300

Since Kim now has 3 times the card of Julie so Julie must have 6300/4=1575.

So, Julie gave 2730-1575=1155

4 0

3 years ago

Read 2 more answers

Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. (Figures are not dr

zimovet [89]

x is 68 as the angles O and x must total 180°

4 0

3 years ago

Please help me out asap! Giving brainliest

irina [24]

The Answer is 3^6

Just for characters

8 0

3 years ago

Read 2 more answers

Find the probability of getting exactly 6 girls in 8 births.

AnnyKZ [126]

Answer:

The probability of getting exactly 6 girls in 8 births is 0.1093

Step-by-step explanation:

Given : 6 girls in 8 births.

To find : The probability of getting exactly 6 girls in 8 births.

Solution :

The probability of getting girl is $\frac{1}{2}$

The probability of getting 6 girl is $(\frac{1}{2})^6$

Since we have 6 girls,

We also need to find the probability of getting 2 boys, which is

$(\frac{1}{2})^2$

There are $^8C_6$ ways to get 6 girls in 8 births

i.e, $^8C_6=\frac{8!}{6!\times 2!}$

$^8C_6=\frac{8\times 7\times 6!}{6!\times 2\times 1}$

$^8C_6=28$

There are 28 ways to get 6 girls in 8 births.

The probability of getting exactly 6 girls in 8 births.

$=28\times (\frac{1}{2})^6\times (\frac{1}{2})^2$

$=28\times 0.015625\times 0.25$

$=0.109375$

Therefore, The probability of getting exactly 6 girls in 8 births is 0.1093

7 0

4 years ago

Read 2 more answers