2 years ago

Choose the most appropriate answer area(26 centimeters),""area(26),"and”a(26)” all represents which of the following?

Mathematics

2 answers:

Evgesh-ka [11]2 years ago

7 0

Answer

A. The area of an object with a perimeter of 26 centimeters

Step-by-step explanation:

I just took the quiz.

garri49 [273]2 years ago

4 0

Answer:

B. The area of 26 meters.

Step-by-step explanation:

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vazorg [7]

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3 years ago

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15. What's the sum of 3/8 and 1/16?<br> 1/6 7/16 4/24 1/4

allsm [11]

Answer:

7/16

Step-by-step explanation:

1. you have to have the same denominator

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3 years ago

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If f(x) and f^-4(x) are inverse functions of each other and f(x) = 2x+5, what is f^-1(x)?

miss Akunina [59]

For this case we must find the inverse of the following function:

$f (x) = 2x + 5$

Then, we follow the steps:

We change $f (x)$ by y:

$y = 2x + 5$

We exchange the variables:

$x = 2y + 5$

We clear the variable "y":

$x-5 = 2y\\y = \frac {x-5} {2}$

We change y for $f^{-1}(x):$

$f^{-1}(x) = \frac {x-5} {2}$

Answer:

$f^{-1}(x) = \frac {x-5} {2}$

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3 years ago

If a student has an average exam score between 70 and 79, he will earn a grade of C in his algebra course. Suppose he has three

goldenfox [79]

Answer:

(64,86.5)

Step-by-step explanation:

find the case where he gets 70 and the case where he gets 79

if his average is 70:

(75+62+85+2x)/5=70

(222+2x)/5=70

222+2x=350

2x=128

x=64

if his average is 79:

(75+62+85+2x)/5=79

(222+2x)/5=79

222+2x=395

2x=173

x=86.5

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3 years ago

Solve 0.9 x + 5.1 x -7= 2(2.5x-3). how many solutions dose the equation have?

Nataly [62]

The equasion has only one solution.

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3 years ago