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garik1379 [7]
3 years ago
12

• How do I isolate a variable?

Mathematics
2 answers:
irga5000 [103]3 years ago
8 0
Depends on the question but you generally must use a variety of operations to isolate the variable by itself on one side of the equation
WITCHER [35]3 years ago
3 0

Answer:

It means to get the variable by itself. Isolating the variable means rewriting an equivalent equation in which the variable is on one side of the equation and everything else is on the other side of the equation. Hope this helps.

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What is the surface area of a sphere with a radius of 9 units?
Vinvika [58]

Answer:

see explanation

Step-by-step explanation:

The surface area (A) of a sphere is calculated as

A = 4πr² ← r is the radius, here r = 9, thus

A = 4π × 9² = 4π × 81 = 324π ≈ 1017.9 units²

4 0
3 years ago
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Please help asap!!! :(
Mama L [17]

Answer:

Our maximum is 19 when x=3 and y=7 and our minimum is -21 when x=3 and y = -3

Step-by-step explanation:

First, we can graph these inequalities out. As you can see in the picture, the three vertices where the inequalities all connect form a triangle. We can check each of these vertices to find our minimum and maximum.

First, we have (3,7). 4y-3x = 4(7)-3(3)=28-9=19

Next, for (3, -3), we have 4y-3x = 4(-3)-3(3) = -12-9=-21

Finally, for (0.5, 2), we have 4y-3x=4(2)-3(0.5)=8-1.5 = 6.5

Our maximum is 19 when x=3 and y=7 and our minimum is -21 when x=3 and y = -3

3 0
3 years ago
- |4x+10|-7=-14 solve for x
Tanzania [10]

Answer:I forgot how to solve that

Step-by-step explanation:

3 0
3 years ago
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Hi I really need help on 4 pls help
Katyanochek1 [597]

Answer:

a. Draw a column for each ticket sold. (For 0-9, draw a bar upto 2. For 10-19, draw a bar upto 4. For 20-29, draw a bar upto 3. And for 30-39, draw a bar upto 1.

b. 10 students sold tickets

c. 40% of students sold 20 or more tickets

8 0
2 years ago
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Allison plays basketball and last season she made a total of 87 shots (two- or three- point shots). Her points total was 191. Ho
yarga [219]

Answer:

17

Step-by-step explanation:

Let the number of 2 point shots be t.

Let the number of 3 point shots be h.

Allison made 87 shots and scored 191 total points. This implies two things:

t + h = 87 ________(1)

2t + 3h = 191 ______(2)

Let us eliminate t by multiplying (1) by 2 and subtracting from (2):

=> 2t + 3h = 191

 -  <u>2t + 2h = 174</u>

     <u>          h  = 17 </u>

<u />

Therefore, she made 17 three point shots.

4 0
3 years ago
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