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zhuklara [117]
3 years ago
8

A student skipped a step when she tried to convert 15 hours to seconds, and she got the following incorrect result:

Mathematics
1 answer:
givi [52]3 years ago
7 0

1hr/3600sec=15hr/x

(3600sec)(15hr)=(1hr)x

x=54000seconds

15 hours is 54000 seconds

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BaLLatris [955]

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I believe the answer is y-axis

Step-by-step explanation:

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3 years ago
The sum of two numbers is nine. Using x to represent the larger of the two numbers, translate "the difference between one more t
Naddik [55]

Answer:

We have that the sum of two numbers  is 9

this can be written as:

x + y  = 9

where x is the larger number.

Now we want to write:

"the difference between one more than the larger number and twice the smaller number"

First, remember that the difference between A and B is:

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Then "the difference between one more than the larger number and twice the smaller number"

is:

"one more than the larger number" = ( x + 1)

"twice the smaller number" = 2*y

the difference between these is:

(x + 1) - 2*y

Now we can simplify:

We know that:

x + y = 9

then:

y = 9 - x

replacing that in the equation:

(x + 1) - 2*y

we would get:

x + 1 - 2*(9 - x)

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3x - 17

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3 0
3 years ago
Which matrix represents the system of equations shown below? 2x-y=-6 and x-6y=13​
dezoksy [38]

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<u>Step-by-step explanation:</u>

The first matrix contains the coefficients of the x- and y- values for both equations (top row is the top equation and the bottom row is the bottom equation. The second matrix contains what each equation is equal to.

\begin{array}{c}2x-y\\x-6y\end{array}\qquad \rightarrow \qquad \left[\begin{array}{cc}2&-1\\1&-6\end{array}\right] \\\\\\\begin{array}{c}-6\\13\end{array}\qquad \rightarrow \qquad \left[\begin{array}{c}-6\\13\end{array}\right]

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6 0
3 years ago
Please help me with this math problem
andrey2020 [161]

Answer:

Step-by-step explanation:

How to solve your problem

3

+

+

3

3+a+3

3+a+3

Simplify

1

Add the numbers

3

+

+

3

{\color{#c92786}{3}}+a+{\color{#c92786}{3}}

3+a+3

6

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{\color{#c92786}{6}}+a

6+a

2

Rearrange terms

Solution

+

6

3 0
3 years ago
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