Can some one help
The last two are
H and J

Answer:

the top one is correct

Step-by-step explanation:

byee

Given:

An exponential equation passes through the points (0,4) and (2,9).

To find:

Exponential equation that passes through the given points.

Solution:

Let the required exponential function is:

[tex]y=ab^x[/tex]           ...(i)

The function passes through the points (0,4) and (2,9). It means the above equation must be true for these points.

[tex]4=ab^0[/tex]

[tex]4=a(1)[/tex]

[tex]4=a[/tex]

And,

[tex]9=ab^2[/tex]

Substituting [tex]a=4[/tex], we get

[tex]9=(4)b^2[/tex]

[tex]\dfrac{9}{4}=b^2[/tex]

[tex]\pm \sqrt{\dfrac{9}{4}}=b[/tex]

[tex]\pm \dfrac{3}{2}=b[/tex]

In an exponential function b>0. So, [tex]b=\dfrac{3}{2}[/tex].

Putting [tex]a=4,b=\dfrac{3}{2}[/tex] in (i), we get

[tex]y=4\left(\dfrac{3}{2}\right)^x[/tex]

Therefore, the required exponential function is [tex]y=4\left(\dfrac{3}{2}\right)^x[/tex].

Answer:

the value is 0.707

Step-by-step explanation:

The computation is shown below:

Tan (x) = sen (x) ÷ cos (x)

Tan 45° = sen 45° ÷ cos 45° = 1

Now

Sen^2 (x) + cos^2 (x) = 1

Sen^2 (x) + sin^2 (x) = 1 (As sen (x) = u)

2u^2 = 1

u = √1 ÷ √2

= √2 ÷ 2

= 0.707

Hence, the value is 0.707

Answer: I think the perimeter is 17ab4

Step-by-step explanation:

Answer:

They have 12 players on each team because 72 divided by 6 equals 12.

Interpreting as: circle 8.5 inches.

Assuming

"circle"

is a geometric object

circle | radius 8.5 inches

Equation:

(x - x_0)^2 + (y - y_0)^2 = 72.

(assuming center (x_0, y_0))

Properties:

diameter | 17 inches

area enclosed | 227 in^2 (square inches)

circumference | 53.4 inches

answer is D. 17/C

Answer:

Step-by-step explanation:

A landscaping company placed two orders with a nursery. Sam tried to use system of equation to solve the problem.

Let us represent

Cost of bushes = x

Cost of trees = y

The first order was for 13 bushes and 4 trees, and totaled $327.50.

Hence

13x + 4y = 327.5......Equation 1

The second order was for 6 bushes and 2 trees, and totaled $142.96.

Combined both Equations

13x + 4y = 327.5......Equation 1

6x + 2y = 142.96 ........ Equation 2

We solve using Elimination method

We Multiply Equation 1 by 2 and Equation 2 by 4 to Eliminate y

26x + 8y = 655 ..... Equation 3

24x + 8y = 571.84 ..... Equation 4

We substract Equation 4 from Equation 3

2x = 83.16

x = 83.16/2

x = $41.58

Step-by-step explanation:

If 3n+10=3

... 3(12)+10=46?

The value of the number when n = 12 is 46.

Expressions are mathematical statements which consist of two or more terms and terms are connected to each other using mathematical operators like addition, multiplication, subtraction and so on.

Given an expression to find the n th number.,

3n + 10

We have to find the value of the number when n = 12

Substitute the value of n = 12 and solving, we get,

= (3 × 12) + 10

Multiplying 3 with 10, we get 30.

= 36 + 10

Adding the number 10 with 36, we get,

= 46

Hence the final number is 46.

To learn more about Expressions, click on the link given below :

https://brainly.com/question/29583350

#SPJ2

Mass = density x volume

Mass = 178 x 25 = 4,450 grams

Answer:

15 times

Step-by-step explanation:

50% of the time, 50% of 30=15

Answer: 15 times

Step-by-step explanation:

A coin has a 50/50 chance to get either heads or tails. 50% of the time it's heads, 50% is tails. So, if you tossed a coin 30 times, you would expect the coin to land on the tail 15 times because 30 / 2 = 15.

Answer:

The value of cos 45° is equal to 1/√2

Answer:

Its 1/2

Step-by-step explanation:

I just took the test

Answer:

I'm pretty sure its a, if not b

Answer:

x ≤ 10

Step-by-step explanation:

2x-6-5 ≤ 9

2x-11 ≤ 9

2x ≤ 20

x ≤ 10

Answer:

y = -9x - 24

x = -27x - 84

Step-by-step explanation:

Answer: 5 m

Step-by-step explanation:

Given

Length of 16 m fir tree is 12 m

length of the ash tree is 8 m

Suppose x is the length of the ash tree

angle [tex]c[/tex] made by fir and ash tree will be same as shown in figure

[tex]\Rightarrow \tan c=\dfrac{16}{12}=\dfrac{8}{x}\\\\\Rightarrow x=8\times \dfrac{12}{16}\\\\\Rightarrow x=5\ m[/tex]

Answer:

Step-by-step explanation:

Brian could have more juice than Sonya in actual sense, This is because the representation used, that is the container has been calibrated to show tenth. This means that decimal values of juice in the container will not show explicit volume beyond tenth. Hence the volume will be rounded.

For instance, if the actual volume of juice Brian has Is 0.74 and that owned by Sonya is 0.69. In actual sense, 0.74 > 0.69 . However, if both pour their juice into the calibrated container, Brian's volume will be rounded to the nearest tenth as 0.7 and Sonya's (0.69) will also be rounded to 0.7.

But in actual sense, Brian has more Juice than Sonya.

Answer:

the equation (400-50) divided by 4

= $87.50 per person

Step-by-step explanation:

hope it helps

Answer:

4 inches

Step-by-step explanation:

8 times 4 is 32

Answer:

- 7, - 3, 1, 5

Step-by-step explanation:

Using the recursive rule and a₁ = - 7, then

a₂ = a₁ + 4 = - 7 + 4 = - 3

a₃ = a₂ + 4 = - 3 + 4 = 1

a₄ = a₃ + 4 = 1 + 4 = 5

The first four terms are - 7, - 3, 1, 5

Answer:

25.5

Step-by-step explanation:

Hope this helps!

Answer:

The height would be  25.5 or 25 1/2

Step-by-step explanation:

You use the area of the triangle, in this case 471.75 and divide it by 18.5 and you get 25 1/2.

wer:

B 4

Step-by-step explanation:

Answer:

1 : 4

Step-by-step explanation:

If you simplify the amount of boys over girls, you get 1/4.

Answer:

For 2 portions, our Ingredients include

80g of oats, 0.48L of milk and 24g of sugar

Step-by-step explanation:

For 5 portions of ingredients

We need 200g of oats, 1.2L of milk and 60 g of sugar

Hence, for 2 portions of Ingredients, the measure of ingredients is calculated as:

For Oats

5 portions = 200g oats

2 portions = x

Cross Multiply

5x = 2 × 200g

x = 2 × 200g/5

x = 80g of oats

For Milk

5 portions = 1.2L milk

2 portions = x

Cross Multiply

5x = 2 × 1.2L

x = 2 × 1.2L/5

x = 0.48 L of milk

For Sugar

5 portions = 60g of sugar

2 portions = x

Cross Multiply

5x = 2 × 60g

x = 2 × 60g/5

x = 24g of sugar

Therefore for 2 portions, our Ingredients include

80g of oats, 0.48L of milk and 24g of sugar

Answer:

[tex] \frac{10 - 7}{1 - 4} = \frac{3}{ - 3} = - 1[/tex]

Answer:

-5x-1/6=3/2

-5×1/6+1/6=3/2+1/6

-5×÷5×=10/6/-5x

x=-10/30