MATHEMATICS HIGH SCHOOL

Which term is a term in this expression? -3x-7(x+4)​

Answers

Answer 1
Answer: -7 is the term in the given expression in this problem

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Simultaneous Equations
2x+4y=22
2x+2y=15

Answers

Answer:

x = 4

y = (7)/(2)

Step-by-step explanation:

Ummmm

I'm not sure if this is corrrect but this is what I got

So first you solve 2x+4y=22 to find x

and you get x = -2y+11

Then you have to subtitute -2y+11 for x in 2x+2y=15

which you then get y= (7)/(2)

After you have to subttitute y= (7)/(2)  for y in x = -2y+11

which you get as x=4

Finally you get the answer as:

x = 4

y = (7)/(2)

HELP PLS WILL GIVE BRAINLISTE

Answers

Answer: D and J

Step-by-step explanation:

Subtract 17.56 from both sides and divide by 5 to get the answer of D. 2.52

3x + 6 = 9

subtract 6 from both sides

3x = 3

x = 1

Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 8 bulbs. In the second year, it produced 16 bulbs, and in the third year it produced 32 bulbs. If this pattern continues, how many bulbs should Geoff expect in the sixth year?A. 64
B. 512
C. 128
D. 256

Answers

1st = 8, 2nd = 16, 3rd = 32, doubling each time so 4th = 64, 5th = 128,

6th = 256

Simplify (6x2 − 3 + 5x3) − (4x3 − 2x2 − 16).2x3 − x2 + 21
−2x3 + x2 − 21
x3 + 8x2 + 13
−x3 − 8x2 + 13

Answers

If you would like to simplify (6x^2 − 3 + 5x^3) − (4x^3 − 2x^2 − 16), you can calculate this using the following steps:

(6x^2 − 3 + 5x^3) − (4x^3 − 2x^2 − 16) = 6x^2 − 3 + 5x^3 − 4x^3 + 2x^2 + 16 = x^3 + 8x^2 + 13

The correct result would be x^3 + 8x^2 + 13.

Answer:

Simplified form of (6x^(2)-3+5x^(3))-(4x^(3)-2x^(2)-16) is 1x^(3)+8x^(2)+13 .

Step-by-step explanation:

As given the expression

= (6x^(2)-3+5x^(3))-(4x^(3)-2x^(2)-16)

Now open the bracket

= 6x^(2)-3+5x^(3)-4x^(3)+2x^(2)+16

= 1x^(3)+8x^(2)+13

Therefore the simplified form of (6x^(2)-3+5x^(3))-(4x^(3)-2x^(2)-16) is 1x^(3)+8x^(2)+13 .

A triangle T is bounded (on three sides) by the lines x = 6, y = 0, and y = 3 2 x. A rectangle of width w is inscribed inside T. Find the area of this rectangle.

Answers

Answer:

33.85 units^2

Step-by-step explanation:

you must first draw the triangle on the plane using the equations (see

attached file), you will have a right angle triangle with a height of 192 and a base of 6.

then you calculate the angle with the tangent function = 88.21

Then you use the small triangle to find the value of a (see attached file).

Finally, you propose an equation for X to find one of the sides of the triangle, once you have x squared it, and you already have the area,

i attached procedure

What is the discriminant in the quadratic equation x2 + 11x + 121 = x + 96? A. 0 B. 100 C. 20 D. 200

Answers

Given:
x² + 11x + 121 = x + 96

First, we need to convert it into a quadratic equation.

x² + 11x - x + 121 - 96 = 0
x² + 10x + 25 = 0

a = 1 ; b = 10 ; c = 25

Quadratic formula:

x = (-b + (√b² - 4ac)) ÷ 2a

The discriminant is under the radical sign

discriminant ⇒ b² - 4ac ⇒ 10² - 4(1)(25) ⇒ 100 - 100 = 0

Correct answer is A. 0
x² + 11x + 121 = x + 96

x² + 11x - x + 121 - 96 = 0

x² + 10x + 25 = 0.  Compare to ax² + bx + c = 0.

a = 1, b = 10, c = 25.

Discriminant, Δ = (b² - 4ac)

=  (10² - 4*1*25)

= (100 - 100)

= 0.

Discriminant = 0

Option A.
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