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2 years ago

Evaluate the expression for x=10

Mathematics

1 answer:

Elina [12.6K]2 years ago

5 0

Answer:

what is the function? please provide a function.

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A first number plus twice a second number is 13. Twice the first number plus the second totals 14. find the numbers

sashaice [31]

Answer:

the first number is 5 the second number is 4

Step-by-step explanation:

first number = x

second number = y

X+2y=13 given this isolate x x = 13-2y

2x+y=14 substitute 13-2y for x

2(13-2y)+y=14

26-4y+y=14

-3y=-12

y=4 taking this number substitute into either equation above

x+2(4)=13

x+8=13

x=5

4 0

2 years ago

Which statement correctly compares the constant of varation of the graph and the equal below

lorasvet [3.4K]

For this there isn’t a graph showing .

8 0

2 years ago

Slick Slack is a downloadable app that can be used to automatically generate excuses for being late to work based on the weather

Greeley [361]

Answer:

$(x_1,y_1) = (1,5840)$

$(x_2,y_2) = (2,13090)$

$y = 1812.5x + 4027.5$

$y_0 = 4027.5$ --- y intercept

Step-by-step explanation:

Given:

x = weeks; y = copies

The right parameters are:

After 1 week, 5840 copies were downloaded

After 5 weeks, 13090 copies were downloaded

So, the (x,y) forms are:

$(x_1,y_1) = (1,5840)$

$(x_2,y_2) = (5,13090)$

Next, we calculate the slope (m) using:

$m = \frac{y_2 - y_1}{x_2 - x_1}$

$m = \frac{13090 - 5840}{5 - 1}$

$m = \frac{7250}{4}$

$m = 1812.5$

The equation is then calculated using:

$y = m(x - x_1) + y_1$

$y = 1812.5(x - 1) + 5840$

$y = 1812.5x - 1812.5 + 5840$

$y = 1812.5x + 4027.5$

To calculate the y intercept, substitute 0 for x

$y_0 = 1812.5*0 + 4027.5$

$y_0 = 0 + 4027.5$

$y_0 = 4027.5$

7 0

2 years ago

One baseball team won 15 games throughout their entire season. Of all their games, this

Alex_Xolod [135]

Answer:

Step-by-step explanation:

To get the answer, you have to find what number 15 is 75 percent of.

3 0

2 years ago

11,13,15,17 I need help with

natima [27]

Step-by-step explanation:

[ Refer to the attached file ]

( Slide to refer all files )

________________________________

• To solve Questions of type 11 we need to simplify the equation by using mathematical operations !!

• To solve Questions of type ( 13 , 15 and 17 ) we try to make the bar numeral to come other side of decimal

° and by subtracting we get the required fraction !!

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5 0

3 years ago

Read 2 more answers