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8090 [49]
3 years ago
8

Rite an algebraic expression to represent "five plus the quotient of r and 14."

Mathematics
1 answer:
hichkok12 [17]3 years ago
4 0
The answer is 3) 5+r/14

Let's go segment by segment:
<span>"five plus" means addition, so we have 5 +

</span><span>"the quotient of r and 14" is the division result, so sign / must be present: 14/r
</span>
Therefore "five plus the quotient of r and 14" is 5 + 14/r
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WITCHER [35]
RST is 124
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2 years ago
All three please 10 points
GaryK [48]

Answer:

A) x = 3 or -1

B) x = -7

C)x = -7

Step-by-step explanation:

A) x² + 2x + 1 = 2x² - 2

Rearranging, we have;

2x² - x² - 2x - 2 - 1 = 0

x² - 2x - 3 = 0

Using quadratic formula, we have;

x = [-(-2) ± √((-2)² - 4(1 × -3))]/(2 × 1)

x = (2 ± √16)/2

x = (2 + 4)/2 or (2 - 4)/2

x = 6/2 or -2/2

x = 3 or -1

B) ((x + 2)/3) - 2/15 = (x - 2)/5

Multiply through by 15 to get;

5(x + 2) - 2 = 3(x - 2)

5x + 10 - 2 = 3x - 6

5x - 3x = -6 - 10 + 2

2x = -14

x = -14/2

x = -7

C) log(2x + 3) = 2log x

From log derivations, 2 log x is same as log x²

Thus;

log(2x + 3) = logx²

Log will cancel out to give;

2x + 3 = x²

x² - 2x - 3 = 0

Using quadratic formula, we have;

x = [-(-2) ± √((-2)² - 4(1 × -3))]/(2 × 1)

x = (2 ± √16)/2

x = (2 + 4)/2 or (2 - 4)/2

x = 6/2 or -2/2

x = 3 or -1

5 0
3 years ago
How can you create and graph a piecewise function that has restrictions on the domain?
Inessa05 [86]

Answer:

Use inequalities.

At certain x values.

Step-by-step explanation:

3 \leqslant x \leqslant 6

-  \infty  < x <  \infty

x = 6

7 0
3 years ago
A bowl container 24.1 grams of salt. Then, Susan poured in another 58.73 grams. How much salt does the bowl contain now?
Butoxors [25]

Answer:

it is 82.83

Step-by-step explanation:

because you just do 58.73 + 24.1 please give me brainliest.

8 0
3 years ago
Please help I will reward brainly
aalyn [17]
P(heads, and even and blue) = 1/2 *3/6 *1/4=1/2*1/2*1/4=1/16

P(heads, and 5, and green) = 1/2*1/6*1/4=1/48

P((heads or tail), and odd, and red)= (1/2+1/2)*3/6*1/4=1*1/2*1/4 = 1/8

 P((heads or tail), and 3, and yellow)= (1/2+1/2)*1/6*1/4=1*1/6*1/4=1/24

P(tails, and prime, and not green) = 1/2 *3/6*3/4= 1/2*1/2*3/4=3/16
(Prime numbers here are 2,3 and 5)
7 0
3 years ago
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