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3 years ago

15

Which of these is the algebraic expression for "4 times the sum of 2 and y?"

2 answers:

Volgvan3 years ago

5 0

Answer:

$4(2 + y)$

Step-by-step explanation:

"4 times the sum of 2 and y".

<h3>Hope it is helpful...</h3>

barxatty [35]3 years ago

3 0

Answer:

The answer is 4(2+y)

Explanation: No 1 is 4 times two and add 1

No 3 is 2 plus 4 and multiply y

No 4 is 2 times 4 and adds 2 y

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A line segment is divided in two segments, such that the ratio of the long segment to the short segment is equivalent to the go

vova2212 [387]

Answer:

9.271 inches.

Step-by-step explanation:

Let AC be the length of original line segment and point B divides it into two segments such that AB is longer and BC is smaller segment.

$AB+BC=AC=15$

We can describe the golden ratio as:

$\frac{AB}{BC}=\frac{AC}{AB}=1.618$

$\frac{AC}{AB}=1.618$

$\frac{15}{AB}=1.618$

$\frac{15}{1.618}=AB$

$9.270704=AB$

$AB=9.271$

We can verify our answer as:

$AB+BC=15$

$9.271+BC=15$

$9.271-9.271+BC=15-9.271$

$BC=5.729$

$\frac{AB}{BC}=1.618$

$\frac{9.271}{5.729}=1.618$

$1.618=1.618$

Hence proved.

Therefore, the length of the longer side would be 9.271 inches.

4 0

3 years ago

How do you write 1.25 into a fraction

kvasek [131]

25/100
because the 1. is more than 25 so it go to 100th

6 0

3 years ago

Read 2 more answers

I will mark brainly, help me with this question please.

Anna [14]

Step-by-step explanation:

Since $x$ varies directly as $\sqrt{y}$ we can write the relation as

$x = k\sqrt{y}$

where k is the constant of proportionality.

a) To solve for the k, we substitute the given values:

$5 = k\sqrt{13} = k(13)$

$\Rightarrow k = \dfrac{5}{13}$

b) The equation relation x and y can be written as

$x = \dfrac{5}{13}\sqrt{y}$

c) When y = 9,

$x = \dfrac{5}{13}\sqrt{9} = \dfrac{5}{13}(3) = \dfrac{15}{13}$

3 0

2 years ago

Write 2^4 by using repeated multiplication. Then find the value of 2^4

netineya [11]

Answer:

2*2*2*2 = 16

Step-by-step explanation:

The equivalent of 2^4 = 2 x 2 x 2 x 2 (multiply 2 four times)

6 0

2 years ago

Someone find x !!!!!!

BartSMP [9]

14. 128
15.25
16.90
those should be right

6 0

3 years ago