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3 years ago

Need help with this question!

Mathematics

2 answers:

sladkih [1.3K]3 years ago

4 0

Answer:

The answer is B. 7

m_a_m_a [10]3 years ago

4 0

Answer is the circle B.7

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Which expression are solution to the equation 2.4y=13.75

sattari [20]

Answer:

Step-by-step explanation:

2x - 5y = 10

2(-3.5) - 5y = 10

-7 - 5y = 10

+7 +7

-5y = 17

-5 -5

y = -3.4

The value of y is equal to A. -3.4.

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2 years ago

What is the area of rectangle when both circles have a radius of 2

tia_tia [17]

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3 years ago

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Find the average value of the function f(t)=(t-2)^2 on [0,6]

pentagon [3]

Answer:

Step-by-step explanation:

The "average value of function f(x) on interval [a, b] is given by:

f(b) - f(a)

ave. value = ---------------

b - a

Here f(t)=(t-2)^2.

Thus, f(b) = (b - 2)^2. For b = 6, we get:

f(6) = 6^2 - 4(6) + 4, or f(6) = 36 - 24 + 4 = 16

For a = 0, we get:

f(0) = (0 - 2)^2 = 4

Plugging these results into the ave. value function shown above, we get:

16 - 4

ave. value = ------------ = 12/6 = 2

6 - 0

The average value of the function f(t)=(t-2)^2 on [0,6] is 2.

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3 years ago

Carlotta subscribes to the HotBurn music service. She can download no more than 12 song files per week. Carlotta has already dow

UNO [17]

Answer:

Inequality: $x+10\leq 12$

Inequality solved: $x\leq 2$

The graph is attached.

Step-by-step explanation:

You need to remember the meaning of the inequalities symbols:

: Less than.

$>$ : Greater than.

$\leq$ : Less than or equal to.

$\geq$ : Greater than or equal to.

Let be "x" the number of more songs Carlotta can download.

According to the information given in the exercise, she can download no more than 12 song files per week. This indicates that you must use the symbol $\leq$ .

Since she has already downloaded 10 song files this week, you can write the following inequality that represents this situation:

$x+10\leq 12$

In order to solve it, you must subtract 10 from both sides:

$x+10-10\leq 12-10\\\\x\leq 2$