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marishachu [46]
3 years ago
13

Need help I don't get it. Which point is an exact solution to the system y = -6(0.75)^x and y = 4(x - 1)?

Mathematics
1 answer:
earnstyle [38]3 years ago
4 0
Answer (-1 , -8)

-----------------------------------
Check Equation -6(0.75)ˣ
-----------------------------------
when x = -1
y = -6(0.75)⁻¹
y = -6(4/3)
y = -8

When x = -1, y = -8, therefore this equation passes through (-1, -8)

-----------------------------------
Check Equation y = 4(x - 1)
-----------------------------------
When x = -1 
y = 4( - 1 -1)
y = 4(-2)
y = -8

When x = -1, y = -8, therefore this equation passes through (-1, -8)

-----------------------------------
Answer (B): (- 1, -8)
-----------------------------------

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kogti [31]

Answer:

12/52 = 1/4 chance.

Step-by-step explanation:

3 0
3 years ago
Jada solved the equation Negative StartFraction 4 over 9 EndFraction = StartFraction x over 108 EndFraction for x using the step
GalinKa [24]

Answer:

Jada should have multiplied both sides of the equation by 108.

Step-by-step explanation:

The question is incomplete. Find the complete question in the comment section.

Given the equation -4/9 = x/108, in order to determine Jada's error, we need to solve in our own way as shown:

Step 1: Multiply both sides of the equation by -9/4 as shown:

-4/9 × -9/4 = x/108 × -9/4

-36/-36 = -9x/432

1 = -9x/432

1 = -x/48

Cross multiplying

48 = -x

x = -48

It can also be solved like this:

Given -4/9 = x/108

Multiply both sides by 108 to have:

-4/9 * 108 = x/108 * 108

-4/9 * 108 = 108x/108

-432/9 = x

x = -48

Jada should have simply follow the second calculation by multiplying both sides of the equation by 108 as shown.

7 0
3 years ago
Please help! Thank you:)
Aloiza [94]
The answer would <em><u>B</u></em><em><u /></em><u />e........

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4 0
3 years ago
The area of a piece of pie in the shape of a sector is 7.1 in^2. The angle of the sector is 40°. Round your answers to the neare
irinina [24]

Answer:

Step-by-step explanation:

8 0
3 years ago
A​ cone-shaped paper water cup has a height of 12 cm and a radius of 6 cm. If the cup is filled with water to one-sixth its​ hei
Liono4ka [1.6K]

Answer:

  1/216

Step-by-step explanation:

The ratio of volumes of similar shapes is the cube of the scale factor. The filled portion of the cone is similar to the entire cone.

<h3>Linear scale factor</h3>

If the filled height is 1/6 of the total height, the scale factor for linear dimensions is 1/6.

<h3>Volume scale factor</h3>

The scale factor for the volume is the cube of the scale factor for linear dimensions. it is ...

  (1/6)³ = 1/216

The volume of the filled portion of the cup is 1/216 of the volume of the cup.

8 0
1 year ago
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