mathematics geniuses where are you ? help me answer this question please.

Answer:

Step-by-step explanation:

20-6 + 4K =2-2k

=> 14 + 4k = 2 - 2k

=> 4k + 2k = 2 - 14

=> 6k = -12

[tex] = > k = \frac{ - 12}{6} [/tex]

=> K = -2 (Ans)

Answer:

Step-by-step explanation:

6(1)(-2) -2(1)(-2)^2 - 3(1)(-2) +(-2)^2

-12 -8 +6 +4

=-10

-10 is the value of the given polynomial.

A polynomial is a mathematical equation that solely uses the operations addition, subtraction, multiplication, and non-negative integer exponentiation of variables. Variables are sometimes known as indeterminate in mathematics. Majorly used polynomials are binomial and trinomial.

First, we can simplify the polynomial by combining like terms:

[tex]2x^2y + 4x^2y + 3xy^2 - 5xy^2 - 3xy + y^2\\= (2x^2y + 4x^2y) + (3xy^2 - 5xy^2) + (-3xy + y^2)\\= 6x^2y - 2xy^2 - 3xy + y^2[/tex]

Now, to evaluate for x = 1 and y = -2, we substitute those values into the simplified expression:

[tex]6(1)^2(-2) - 2(1)(-2)^2 - 3(1)(-2) + (-2)^2\\= 6(-2) - 2(4) + 6 + 4\\= -12 - 8 + 6 + 4\\= -10[/tex]

Therefore, the value of the polynomial for x = 1 and y = -2 is -10.

Learn more about Polynomials here:

https://brainly.com/question/11536910

#SPJ7

Answer:

100%

Step-by-step explanation:

This question doesn't really make sense but technically it's 100%

Answer:

The base is x and the exponent is 5.

Step-by-step explanation:

Hi there!

[tex]x^5[/tex]

The base is x and the exponent is 5.

x is raised to the exponent of 5.

I hope this helps!

Answer:

Zander starts with 7,000; Carly starts with 5,000

Step-by-step explanation:

1 - Visually solving

Looking at the final value (31,000) one could interpret the sums of the numbers tripled and doubled respectively would need to equate to 31,000.

Taking off the additional zeros could also prove beneficial. To get 31, one of the numbers tripled or doubled would need to either be 11 or 21. 11 is a prime number, so that can be cancelled out. 7 multiplied by 3 (triple) produces 21.

12 - 7 = 5. Solving for the leftover 5 which would be doubled, you would get 10.

10 + 21 = 31.

2 - Algebra

x - Zander; y - Carly

To begin with you should need the initial formula.

x + y = 12,000

Your second formula would then take into consideration the changes made to x and y

3x + 2y = 31,000.

Using process of elimination or substitution, (either method works), you will find x = 7,000 and y = 5,000

Answer:

152

Step-by-step explanation:

avrg rate of change is basically a slope.

[tex] \frac{y2 - y1}{x2 - x1} [/tex]

All step by step answer is in picture below.

Answer:

t = r/D.

Step-by-step explanation:

[tex]\frac{r}{t} =D[/tex]

[tex]r = t * D[/tex]

[tex]t = \frac{r}{D}[/tex]

Hope this helps!

Answer:

1.625 inches

Step-by-step explanation:

i took the test on k12

Answer:

Marty's plant measured 6.75 inches at the beginning of the summer. It measured 8.375 inches at the end of summer.

How much did Marty's plant grow over the summer?

Step-by-step explanation:

The answer Is going to be 1.625

Answer:

Step-by-step explanation:

Somewhere along the blue line

Answer: [tex]y = 5^x+2[/tex]

The 2 is not in the exponent.

=====================================================

Explanation:

As x gets smaller and smaller, going off into the negative direction forever, the expression [tex]5^x[/tex] will approach 0. This is because we're computing stuff like 5^(-1) = 1/5 = 0.2 and 5^(-2) = 1/25 = 0.04 and so on. The decimal values are approaching 0 but never actually arrive there. The range of [tex]y = 5^x[/tex] is [tex](0,\infty)[/tex]

Adding on the 2 at the end will shift everything up so that the range is now [tex](2,\infty)[/tex]. Refer to the graph below.

The parenthesis in interval notation mean we do not include that endpoint as part of the set. Saying something like [tex](2,\infty)[/tex] is the same as saying [tex]2 < y <\infty[/tex] when talking about the range.

Answer:

36kobos would be the cost of 54 oranges

Answer:

$512

16g+17n= m

Step-by-step explanation:

Multiply 16 and 15 to represent the amount of money from working in the grocery store and 17 and 16 to represent the money from the nusery home. Add them to get 512.

Answer:

x=76° (being alternate angle)

Answer:

x=76° (Alternate angle)

Using first equation of kinematics

[tex]\\ \sf\longmapsto v=u+at[/tex]

[tex]\\ \sf\longmapsto v=0+2(5)[/tex]

[tex]\\ \sf\longmapsto v=10m/s[/tex]

Answer:

-0.1

...............................

Answer:

-4x+1-10

Step-by-step explanation:

-2(2x+5)=0

-4x-10=0

-4x+1-10=0

-4x-9=0

-4x=9

x=9/-4

x=-2,25

please inform if wrong

Answer:

78

90

86

96

09

Step-by-step explanation:

80

90

90

OK LA sir I will complete my work as soon as possible LA thank you la madam My name is now signing off

Answer:

$31.96

Step-by-step explanation:

To find how many gallons you need, divide 320 by 34.

[tex]\frac{320}{34} =9.4 (rounded-to-the-nearest-cent)[/tex]

So now that we know we need 9.4 gallons, we multiply 9.4 times the price per gallon ($3.40)

9.4 x $3.40 = $31.96

Answer:

A, B, and C

Step-by-step explanation:

a). -6 ÷ 2 x 5 1/3

= -3 x 5 1/3

= -16

b). 24 ÷ (-3) + 1/2

= -8 + 1/2

= -7.5

c). 36 ÷ 4 x (-2)

= 9 x -2

= -18

d). -54 ÷ (-9) x (-3 2/3)

6 x -3 2/3

= -22

Answer:

70

81

95

A: 46%

Step-by-step explanation:

29+41=70

135-54=81

205-110=95

A: 95 out of 205.

Divide 95 by 205.

[tex]\frac{19}{41}[/tex] or 0.46341...

Switch to % and Round.

46%

I actually have no idea what b and c mean so good luck

Answer:70

81

95

Step-by-step explanation:

you subtract or add everything together to get an answer ex:29+41 thats how you get an answer of 70

Answer:

radius is 7 cm

Step-by-step explanation:

formular for volume:

[tex]V = \pi {r}^{2} h [/tex]

r is radius

h is height

[tex]1540 = 3.14 \times {r}^{2} \times 10 \\ {r}^{2} = 49.0 \\ r = 7 \: cm[/tex]

Answer: sorry I wasn’t able to tell u the exact number but check out this link it should help u

Step-by-step explanation:

https://www.wyzant.com/match

Answer:

THis is a function.

Step-by-step explanation:

If you draw a straight line vertically, it won't intersect more than one point of the line. This is called the vertical line test, and if the line you drew passes the line on the graph more than once, its not a function.

Yw, brainliest, and don't plagiarize, they'll catch you.

Answer:

viruses can contain one or multiple cells

Answer:

This is science I believe but its D. Viruses can contain one or multiple cells.

Step-by-step explanation:

Answer:

A is right that is my abswer

Answer:

i think the answer might be opinion C

Answer:

of course he doesn't....or Maybe he does let's go ask Henry

Answer:

The distance between the points is 7.81 (to the nearest hundreth)

Step-by-step explanation:

The distance formula between two points in the coordinate plane is:

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

Put,

[tex]J(x_1,y_1)=(-2,-1)\\A(x_2,y_2)=(3,-7)[/tex]

Hence,

[tex]d=\sqrt{(3-(-2))^2+(-7-(-1))^2} \\d=\sqrt{(3+2)^2+(-7+1)^2} \\d=\sqrt{5^2+(-6)^2} \\d=\sqrt{25+36} \\d=\sqrt{61} \\d=7.810[/tex]