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horrorfan [7]
3 years ago
5

sasha needs an average of 30 points to move to the next level in her competion . her scores in the first three events are 28, 35

, and 30. what is the lowest score she can score?
Mathematics
1 answer:
salantis [7]3 years ago
3 0
Sarah will need 27pts her lowest score
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I really need some help
earnstyle [38]

Answer:

CEFA

Step-by-step explanation:

1. p=2(2x)+2(3x+2)=4x+6x+4=10x+4

2. p=2(x)+2(4x+1)=2x+8x+2=10x+2

3. p=2(7)+2(x+5)=14+2x+10=2x+24

4. p=2(5)+2(4x-3)=10+8x-6=8x+4

Hope this helps

6 0
2 years ago
What is the solution set to, "Katie wants to collect over 100 seashells. She already has 34 seashells in her collection. Each da
Anastaziya [24]

Answer:

Katie will collect more than 100 seashells in 5 and a half days.

Step-by-step explanation:

Katie already has 34 seashells in her collection.

Each day, she finds 12 more seashells on the beach.

Let x be the number of days Katie is collecting seashells.

In x days, she will collect 12x seashells.

In total, she will collect 34+12x seashells.

Katie wants to collect over 100 seashells, so

34+12x> 100

Solve this inequality. Subtract 34:

34+12x-34>100-34\\ \\12x>66\\ \\2x>11\\ \\x>5 \dfrac{1}{2}

Katie will collect more than 100 seashells in 5 and a half days.

3 0
4 years ago
A sphere has a diameter of 14.5 inches.
dlinn [17]

Answer:

≈ 660.5 in²

Step-by-step explanation:

The surface area (A) of a sphere is calculated using the formula

A = 4πr² ← r is the radius

Given diameter = 14. 5 then radius = 7.25, thus

A = 4π × 7.25² = 4π × 52.5625 ≈ 660.5 in²

4 0
3 years ago
100 Points to whoever answers
Kisachek [45]

The average rate of the change from x = 2 to x = 5 is about 20 , The domain is constrained at x =0

<h3>What is a Function ?</h3>

A function is a mathematical statement used to derive a relation between a dependent variable and an independent variable.

A) The vertical axis of the graph shows a company's profit f(x), in dollars, depending on the price of pencils x, in dollars, sold by the company , i.e is the x axis .

So the x-intercepts represent prices of the pencil at which the profit is 0

and The maximum value of the graph represents the maximum profit that can be obtained for any price of the pencil.

The Profit is increasing from (x = 0 to 5) and starts decreasing from x =5 to 10

B) From the graph

(f(5) -f(2))/(5 -2) = (160-100)/3  = 20

The average rate of the change from x = 2 to x = 5 is about 20.

This indicates that the profit will increase at a an average rate of $20 for each $1 increase in price in that interval.

(C)The domain is constrained at x =0 as there it cannot be concluded that if the price is 0 , the profit will be 0 , and we are obligated to sell the pencil at x =6 , as the maximum profits are booked at that point.

To know more about Function

brainly.com/question/12431044

#SPJ1

5 0
2 years ago
A circle in the xyxyx, y‑plane has the equation (x+92)^2+(y+54)^2=73(x+92) ​2 ​​ +(y+54) ​2 ​​ =73left parenthesis
dedylja [7]

34(3-2)9x-2 = 14 would be the correct way to solve the problem!

3 0
4 years ago
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