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Neko [114]
3 years ago
5

Hey guys I need help wit this plz! Plz write down the whole detail of your answer plz!! 20 points or more...

Mathematics
2 answers:
Anastaziya [24]3 years ago
8 0

Answer:

48 centimetres wide

Step-by-step explanation:

you are at 3

you enlarge it and you get 6

second enlargement you get 12

third enlargement you get 24

fourth enlargement you get 48

if you times 3 by 4 you are not doubling the width each time you enlarge the photo

so it is easier to double it each time you enlarge it

pochemuha3 years ago
3 0
Ans: 81 cm

work:

since the photo starts at 3 cm wide and the width gets doubled each time for four times, youd have to do 3^4.

in other words,
3 x 3 x 3 x 3

3x1 is 3,
3x3 is 9,
9x3 is 27,
27x3 is 81
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Find m(x) = f(x) * h(x)<br><br> Values - f(x) = -3x + 6; g(x) = 7x -5; h(x) = -2
Lisa [10]

Answer:

Step-by-step explanation:

8 0
2 years ago
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The 5th term in a geometric sequence is 160. The 7th term is 40. What are possible values of the 6th term of the sequence?
omeli [17]

Answer:

C. The 6th term is positive/negative 80

Step-by-step explanation:

Given

Geometric Progression

T_5 = 160

T_7 = 40

Required

T_6

To get the 6th term of the progression, first we need to solve for the first term and the common ratio of the progression;

To solve the common ratio;

Divide the 7th term by the 5th term; This gives

\frac{T_7}{T_5} = \frac{40}{160}

Divide the numerator and the denominator of the fraction by 40

\frac{T_7}{T_5} = \frac{1}{4} ----- equation 1

Recall that the formula of a GP is

T_n = a r^{n-1}

Where n is the nth term

So,

T_7 = a r^{6}

T_5 = a r^{4}

Substitute the above expression in equation 1

\frac{T_7}{T_5} = \frac{1}{4}  becomes

\frac{ar^6}{ar^4} = \frac{1}{4}

r^2 = \frac{1}{4}

Square root both sides

r = \sqrt{\frac{1}{4}}

r = ±\frac{1}{2}

Next, is to solve for the first term;

Using T_5 = a r^{4}

By substituting 160 for T5 and ±\frac{1}{2} for r;

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160 = a \frac{1}{2}^{4}

160 = a \frac{1}{16}

Multiply through by 16

16 * 160 = a \frac{1}{16} * 16

16 * 160 = a

2560 = a

Now, we can easily solve for the 6th term

Recall that the formula of a GP is

T_n = a r^{n-1}

Here, n = 6;

T_6 = a r^{6-1}

T_6 = a r^5

T_6 = 2560 r^5

r = ±\frac{1}{2}

So,

T_6 = 2560( \frac{1}{2}^5) or T_6 = 2560( \frac{-1}{2}^5)

T_6 = 2560( \frac{1}{32}) or T_6 = 2560( \frac{-1}{32})

T_6 = 80 or T_6 = -80

T_6 =±80

Hence, the 6th term is positive/negative 80

8 0
3 years ago
PLEASE HELP THIS IS DUE BY 10 MINUTES
garri49 [273]

Answer:

Both 10 and 2

Step-by-step explanation:

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3 0
2 years ago
Ok here is the question with the picture
stealth61 [152]

Answer:

The answer is <u><em>c</em></u> :D brainliest pls

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2 years ago
Help for points and Ill give brainliest to correct!
Svetradugi [14.3K]

Answer:

D. 3 1/4

Step-by-step explanation:

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2 years ago
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