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3 years ago

Solve: 9x+y=2 -4x-y=-17

Mathematics

1 answer:

beks73 [17]3 years ago

6 0

Answer:

−

Step-by-step explanation:

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If A={2,3,5,7} and B={2,4,6,8} then what is AnB?

gregori [183]

Answer:

A∩B = {2}

Step-by-step explanation:

It asks for the common set of A and B.

<u>There only one element common to both the given sets:</u>

A={2,3,5,7} and B={2,4,6,8} ⇒ A∩B = {2}

6 0

3 years ago

Read 2 more answers

The table below represents a function. Which of the following equations could be its function rule?

worty [1.4K]

Answer:

$y=2x-2$ is the required equation.

Therefore, the second option is true.

Step-by-step explanation:

We know that the slope-intercept form of the line equation of a linear function is given by

$y=mx+b$

where m is the slope and b is the y-intercept

Taking two points (0, -2) and (1, 0) from the table to determine the slope using the formula

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(0,\:-2\right),\:\left(x_2,\:y_2\right)=\left(1,\:0\right)$

$m=\frac{0-\left(-2\right)}{1-0}$

$m=2$

substituting the point (0, -2) and the slope m=2 in the slope-intercept form to determine the y-intercept i.e. 'b'.

$y=mx+b$

$-2 = 2(0)+b$

$-2=0+b$

$b=-2$

Now, substituting the values of m=2 and b=-2 in the slope-intercept form to determine the equation of a linear function

$y=mx+b$

$y=2x+(-2)$

$y=2x-2$

Thus, $y=2x-2$ is the required equation.

Therefore, the second option is true.

3 0

3 years ago

Two rectangular prisms have the same volume.the first prism has a length of 10 meters a width of 6 meters and a height of 2 mete

rusak2 [61]

Answer:

height of second rectangular prism is 5 meters

Step-by-step explanation:

5 0

3 years ago

IF ANSWERED WITHIN 10 MINUTES I WILL GIVE BRAINLEST!!

vivado [14]

Answer:

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Step-by-step explanation:

6 0

3 years ago

Explain why 7* 6 x 5 x 4*3*2*1+5 is a composite numbers

xenn [34]

Answer:

7×6×5×4×3×2×1+5 can be written as 5*[7*6*5*4*3*2*+1] or 5*(1009). So, other than the number and 1, it has 5 and 1009 as its factors too. So it is a composite number.

Step-by-step explanation:

A composite number is a positive integer that has a factor other than 1 and itself.

7 0

3 years ago