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3 years ago

Secret multiplication word puzzle

Mathematics

1 answer:

kicyunya [14]3 years ago

3 0

Add a picture bc we can’t see anything on there to answer

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What number would you add to complete the square? x^2+14x=0

hjlf

You would need to go in the order of pemdas

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3 years ago

Here are two steps from the derivation of the quadratic formula,

BaLLatris [955]

Answer:

Step-by-step explanation:

Taking the square root of both sides.

8 0

2 years ago

In the diagram below, the radii of the two concentric circles are 3 centimeters and 7 centimeters, respectively.

True [87]

Answer:

125.6 cm²

Step-by-step explanation:

Area of the shaded region = area of larger circle - area of the smaller circle

Area of the smaller circle = πr²

π = 3.14, r = 3 cm

Area of smaller circle = 3.14*3² = 3.14*9 = 28.26 cm²

Area of larger circle = πr²

π = 3.14, r = 7

Area of larger circle = 3.14*7² = 3.14*49 = 153.86 cm²

Area of the shaded region = 153.86 - 28.26 = 125.6 cm²

5 0

2 years ago

Enter a recursive rule for the geometric sequence. 6, −18, 54, −162, ...

svlad2 [7]

Answer:

The required recursive formula is:

$a_n=(-3)\times a_{n-1}$

Step-by-step explanation:

We are given a geometric sequence as:

6,-18,54,-162,.....

Clearly after looking at different terms of the sequence we could observe that the sequence is an geometric progression (G.P.) with common ratio= -3 denoted by r.

Let $a_n$ represents the nth term of the sequence.

This means that:

$a_1=6, a_2=-18, a_3=54, a_4=-162,......$

As the common ratio is -3.

so,

$a_1=6\\\\a_2=-18=(-3)\times a_1\\\\a_3=54=(-3)\times a_2\\\\.\\.\\.\\.\\.\\.\\.\\.\\.a_n=(-3)\times a_{n-1}$

Hence, the required recursive formula for the geometric sequence is:

$a_n=(-3)\times a_{n-1}$

5 0

3 years ago

-17-3(2+13)+24 What is the answer?

yawa3891 [41]

The answer will be - 38

6 0

2 years ago

Read 2 more answers