Evaluate the expression for s = -9. 2s + 16 =

Mathematics

1 answer:

julia-pushkina [17]3 years ago

3 0

Answer:

2s+16

2*(-9)+16

-18+16

-2

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Stet by step explanation

Irina-Kira [14]

Answer:

x = 4

y = -3

Step-by-step explanation:

2x + 4y = -4

x + 2y = -2 ---------(1)

3x + 5y = -3 ----------(2)

Equation (1) multiplied by 3 then subtracted from equation (2),

(3x + 5y) - 3(x + 2y) = -3 + 6

-y = 3

y = -3

From equation (1)

x + 2(-3) = -2

x - 6 = -2

x = 6 - 2

x = 4

6 0

3 years ago

Vertical plane R intersects horizontal plane P. Points A, D, and B are on the line of the intersecting planes. Point F is on the

mariarad [96]

The true statements are:

Points A, B, and D are on both planes.
Point H is not on plane R.
Points C, D, and A are noncollinear.
The line containing points F and G is on plane R.

<h3>What is the intersection of 2 planes?</h3>

If two planes are said to have intersect each other, the intersection will be regarded as a line.

Hence, looking at the image attached, you will see that Points C, D, and A are noncollinear and the line containing points F and G is on plane R.

Note that when a line and a plane are said to intersect each other , the intersection will be a single point, or say a line. So Points A, B, and D are on both planes.

Therefore, option 1, 2, 4 and 5 are correct.

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brainly.com/question/7150882

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