can somebody answer this please.

Answer:B

Step-by-step explanation:

The exponential curve passes through the point (0, 70). Then the correct option is B.

Let a be the initial value and x be the power of the exponent function and b be the increasing factor.

The exponent is given as

y = a(b)ˣ

The table addresses a few focuses on the diagram of the outstanding capability that models the radioactive rot of an example of xenon-135.

At x = 4.6, the value of 'y' will be 49.5.

[tex]\rm 49.5 = ab^{4.6} \ \ \ \ \ \ \ ...1\\[/tex]

At x = 9.2, the value of 'y' will be 35.

[tex]\rm 35= ab^{9.2} \ \ \ \ \ \ \ ...2[/tex]

From equations 1 and 2, then we have

[tex]\rm \dfrac{b^{9.2}}{b^{4.6}} = \dfrac{35}{49.5}\\\\b^{4.6} = 0.707\\\\b = 0.927\\[/tex]

Then the value of 'a' will be

[tex]\rm 49.5 = a (0.927)^{4.6}\\\\a = 70[/tex]

Then the equation is given as,

y = 70 · (0.927)ˣ

The graph is given below.

The exponential curve passes through the point (0, 70). Then the correct option is B.

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The missing options are given below.

A) There is an asymptote at y = 70.

B) The y-intercept is located at (0, 70).

C) There is an asymptote at x = 0.

D) The x-intercept is located at (70, 0).

Answer:Initial number of trees (t)=204

Step-by-step explanation:

t = initial number of trees

Subtract 5 trees from the initial number of trees

we have,

t-5

each remaining tree made 210 oranges for a total of 41,790 oranges

We have,

(t-5) * 210=41790

Solve the equation

(t-5) * 210=41790

Open the bracket

210t-1050=41790

210t=41790+1050

210t=42840

Divide both sides by 210

210t/210=42840/210

t=204

The initial number of trees on MacDonald farm orange trees (t)=204

If 5 is removed from the initial trees

t-5=204-5

=199 trees

199 trees produce 210 oranges

We have,

199*210=41790 oranges

Answer:

1/3(9+81)= 30

2(4x+2)= 8x+4

0.5(2x+3)= x+1.5

-5(2x+3/5)= -10x-3

-3(2/3x-1)= -2x+3

the answers are in the picture

Answer:

0?

Step-by-step explanation:

not sure without all of the question

Answer:

m = 4/3

Step-by-step explanation:

Two ways to do this problem.  

Method 1   change the                          Method 2   If a linear equation is in

equation to slope-intercept form            standard form, ax =by = c then

8x - 6y = 1                                                  the slope = -a/b

-6y = -8x + 1                                                 In 8x - 6y = 1  a = 8 and b = -6

y = (-8x)/-6 +1/-6                                          So m = - (8)/-6 = 8/6 = 4/3

m = -8/-6= 4/3

Note:  Method 2 only works if the equation is in standard form.

Answer:

-4

Step-by-step explanation:

Answer:

2.6

Step-by-step explanation:

I used the a^2+b^2=c^2 to get this answer. I squared all the number given and got 16 and 9. Then I subtract them to get 7. Finally square 7 off and got 2.6 as the final answer

Hope this helped

[tex] \sqrt{7} = 2.6[/tex]

Answer:

Can't see the rest

Step-by-step explanation:

[tex]7^{2+5+2} =7^{9}[/tex]

[tex]x^{5-8} y^{12-9}z^{0} =x^{-3} y^{3}[/tex]

[tex]x^{3+5}=x^{8}[/tex]

[tex]5^{1} +5^{0} ,(5^{1})^{1},5^{2}/5[/tex]

[tex]\sqrt[3]{7} ,\frac{7}{7^{2/3} } ,7^{1/6}*7^{1/6}[/tex]

[tex]625 = 5*5*5*5, 5^{4}[/tex]

[tex]2^{10} =2*2*2*2*2*2*2*2*2*2=1024[/tex]

Answer:

Y= -2x+7

Step-by-step explanation:

Answer:

3x+7=20 is an equation for the sentence.

hope it is right answer for it

Answer:

3x+7=20 is an equation for the sentence.

hope it is right answer for it

Answer: 14

Step-by-step explanation: Good luck! :D

Answer:

stay in school

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

I believe the answer is A because in MNL it tells the letters of all the angles as well as LMN. Since the total amount of degrees in MNL is the same as LMN I believe that the answer is A.

∠MNL = ∠LMN

Hope this Helps!!! :)

Sorry for tje late answer but it is 150 * 0.08^x

The exponential equation that represents the value of the car is [tex]A = 15000(1.08)^t[/tex].

Depreciation is the rate by which the value of an object reduces with respect to time. it is given by the formula,

[tex]A = P(1-\dfrac{r}{100})^t[/tex]

where A is the value of object after t period of time, P is the principal amount, r is the rate of depreciation, and t is the time period.

We know the formula of the depreciation, Also, the initial value of the car is $15,000, and the rate of depreciation r that is 8% per year. Therefore, the function of the depreciation of the car can be written as,

[tex]A = P(1-\dfrac{r}{100})^t\\\\A = 15000(1-\dfrac{8}{100})^t\\\\A = 15000(1.08)^t[/tex]

Hence,  the exponential equation that represents the value of the car is [tex]A = 15000(1.08)^t[/tex].

Learn more about Depreciation:

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Answer:

2x+8y=64

Step-by-step explanation:

Answer:

5[tex]\frac{5}{8}[/tex]

Step-by-step explanation:

The time Ellie spent practicing baseball is : 3[tex]\frac{3}{4} x 1\frac{1}{2}[/tex]

Convert the mixed fractions to an improper fraction

3 3/4 = 15/4

1 1/2 = 3/2

15 / 4 x 3/2 = 45/8

Convert 45/8 back to a mixed fraction

45/8 = 5[tex]\frac{5}{8}[/tex]

The width of the rectangle is 12ft.

The rectangle's perimeter is calculated using its length. Given by the total of the rectangle's sides, it is stated in linear units.

The space inside the rectangle is measured by area, on the other hand. It is measured in square units and equals the sum of the rectangle's length and width.

Let us suppose the width of the given rectangle be x
According to the given question;
Length of rectangle is 5ft more than its width
Therefore, length of rectangle= x+5
We know that,

Perimeter of rectangle = 2 ( length+breadth)
Perimeter of rectangle = 2[x+(x+5)]

It is given in the question that perimeter of the rectangle is 58ft

Thus,
⇒2( length+breadth) =58
⇒ 2[x+(x+5)] = 58
⇒ 2 (2x+5) = 58
⇒ 4x + 10 = 58
⇒ 4x = 58- 10 = 48
⇒ 4x = 48
⇒ x = 12
Thus, width of rectangle = 12 ft
length of rectangle = x+5 = 12+5 = 17ft

Hence, the width of the rectangle is 12ft.

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Answer:

d

Step-by-step explanation:

Answer:

D.

Step-by-step explanation:

Solve for  x .

x ≥−1

Answer:

the first one

Step-by-step explanation:

not 100% sure but a good guess

Answer:

18

Step-by-step explanation:

if AB : BC : AC is 3 : 4 : 2 and BC = 8 then AB = 6 and AC = 4

To calculate the perimeter of the triangle we add all side lengths up

4 + 6 + 8 = 18

Answer:

Step-by-step explanation:

12

units.

Explanation:

Using the Distance Formula,

A

B

2

=

{

(

−

5

)

−

(

−

2

)

}

2

+

{

(

−

2

)

−

(

−

2

)

}

2

=

9

∴

A

B

=

3

Similarly,

B

C

=

5

,

and

,

A

C

=

4

Hence,

the Perimeter=

A

B

+

B

C

+

A

C

=

12

units.

Answer link

Step-by-step explanation:

the answer is in the attachment

Answer:

Step-by-step explanation:

The solution is the point of intersection of the lines. That is (-2,8)

Answer:

[tex]\boxed{\textsf{ The distance between the two points is \textbf{12.164 units }.}}[/tex]

Step-by-step explanation:

Two points are given to us and we need to find the distance in simplest radical form. The given two points are (3,9) & (-2,2) . So lets use Distance Formula to find the distance between them .

Distance Formula is :-

[tex]\sf\implies Distance =\sqrt{ (x_2-x_1)^2+(y_2-y_1)^2}\\\\\sf\implies Distance =\sqrt{ (-2-3)^2+(9-2)^2}\\\\\sf\implies Distance =\sqrt{ -5^2+7^2}\\\\\sf\implies Distance = \sqrt{ 25 + 49} \\\\\sf\implies Distance = \sqrt{ 74} \\\\\sf\implies Distance=\sqrt{37}\times 2\\\\\sf\implies \boxed{\pink{\sf Distance = 12.164 units .}}[/tex]

Answer:

Step-by-step explanation:

let y be 2x

90 + 66 + 24 + X + 2x = 360° (angles at a point)

180° + 3x = 360°

3x = 360° - 180°

3x = 180°

divide both sides by 3

3x/3 = 180/3

X = 60

2x = 2(60) = 120°

therefore X = 60°

Y = 120°

90° + 66° + 24° + 60° + 120° = 360°

Answer:

vertical angles?

Step-by-step explanation:

Answer: 15

Step-by-step explanation: