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3 years ago

Hom many TOTAL atoms are presented in H4Mg3Si2O9?

Mathematics

1 answer:

Nimfa-mama [501]3 years ago

7 0

Answer:

I'm pretty sure it would be 18 total atoms.

Step-by-step explanation:

4+3+2+9=18

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Need help asap! Having trouble !

Serggg [28]

In a trapezoid, the segment at the midpoint is the average of the other two bases.

In other words: YZ = (QR + TS) / 2

5x + 1 = ( (2x + 7) + 19 ) / 2

2(5x + 1) = 2x + 26

10x + 2 = 2x + 26

8x = 24

x = 3

YZ = 5x + 1

YZ = 5(3) + 1

YZ = 15 + 1

YZ = 16

Hope this helps!

8 0

2 years ago

∠A=6x+12

topjm [15]

Answer:

x = 17

∠A = 114°

Step-by-step explanation:

In the figure attached, the complete question is shown.

From the figure, we know that:

∠A = ∠B

Replacing with the expressions, we get:

6x+12 = 3x+63

6x - 3x = 63 - 12

3x = 51

x = 51/3

x = 17

∠A = 6(17)+12

∠A = 114°

3 0

3 years ago

F(x) = 3 x e^2x<br>That's the problem

scoundrel [369]

Answer:

6 e (*2)x

Step-by-step explanation:

i hope this helps and the 2 is a square unit

6 0

2 years ago

Read 2 more answers

Write the slope-intercept form of the equation of each line given the slope and y-intercept

yuradex [85]

Answer:

y=4/3x-5.

y=-5x+1

4 0

2 years ago

Write an equation of the line shown. Then use the equation to find the value of x when y=112

PtichkaEL [24]

Answer:

$y = 8x + 16$

$x = 12$

Step-by-step explanation:

Given two points on the line (0, 16) and (3, 40), an equation for the line can be written using the slope-intercept line equation which takes the format $y = mx + b$ .

Where,

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

b = y-intercept or the point at which the line cuts the y-axis.

Let's find slope (m) using the slope formula:

Let,

$(0, 16) = (x_1, y_1)$

$(3, 40) = (x_2, y_2)$

$slope (m) = \frac{40 - 16}{3 - 0}$

$slope (m) = \frac{24}{3}$

$slope (m) = 8$

Find b. Substitute the values of x = 0, y = 16, and m = 8 in the slope-intercept formula to find b.

$y = mx + b$

$16 = 8(0) + b$

$16 = 0 + b$

$16 = b$

$b = 16$

Plug in the values of m and b into the slope-intercept formula to get the equation of the line.

$y = mx + b$

$y = 8x + 16$

Let's use the equation to find x when y = 112.

$y = 8x + 16$

Substitute y = 112 in the equation

$112 = 8x + 16$

$112 - 16 = 8x$

$96 = 8x$

Divide both sides by 8

$12 = x$

$x = 12$

8 0

3 years ago