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3 years ago

PLEASE ANSWER ALL BIG REWARD

Mathematics

1 answer:

sleet_krkn [62]3 years ago

6 0

Answer:

multiplying
similar figures
scale factor
(x, y) (–3x, –3y) and (x, y) (0.23x, 0.23y)
(x, y) --> (2x, 4y)
Need diagram
A. The line segment has become longer with endpoints D' (-12, -10) and E' (6 -8).
Need image
Reduction
Enlargement

<em>good luck, i hope this helps :)</em>

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If the first 4 terms of a geometric sequence are {7, 21, 63, 189), then the formula for the nth term in the sequence is?

34kurt

Answer: 7 × ( 3^n - 1 )

Step-by-step explanation:

This is a geometric progression which has its nth term to be

Tn = ar^n- 1. Now from the question given, the sequence are 7, 21, 63, 189. This is an example of a finite sequence, To find the common ratio, you divide the second term by the first term. So

r = 21/7

= 3. , a = 7

Now to find the nth term put the values in the formula above.

Tn =ar^n-1

= 7(3)^n - 1)

= 7 × ( 3^n - 1 ).

Note, it is not 21^n - 1.

7 0

3 years ago

What is the completely factored from of 9x2+24x+16

dezoksy [38]

Answer:

(3x+4)(3x+4) is factor of given expression.

B is correct.

Step-by-step explanation:

We are given an expression $9x^2+24x+16$

Formula: $a^2+2ab+b^2=(a+b)^2$

First we write each term as perfect square as formula.

$\Rightarrow 9x^2+24x+16$

$\Rightarrow (3x)^2+2\cdot 3x\cdot 4+4^2$

Using formula , a=3x and b=4

$\therefore (3x)^2+2\cdot 3x\cdot 4+4^2=(3x+4)^2$

Now we write same number two times.

Hence, (3x+4)(3x+4) is factor of given expression.

3 0

3 years ago

ASAP!!!!!!!!!!!!!!!!

Vladimir [108]

I believe C because 1840+14%x2which would be the two years = 2355.20

4 0

3 years ago

DedPeter [7]

Answer:

1/3 is 33.33%

1299.99 x 33.33 =433.286

1299.99 - 433.286= 866.704

Step-by-step explanation:

$866.704 is what she paid

Discount was $433.286

5 0

3 years ago

Using the formula d= rt, rearrange it to highlight time , t.

morpeh [17]

Step-by-step explanation:

t=d/r

......................

3 0

3 years ago