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2 years ago

Which part of the ear carries sound messages to the brain?

Mathematics

1 answer:

trapecia [35]2 years ago

5 0

Answer:

auditory nerve

Step-by-step explanation:

the auditory nerve carries sound signals to the brain. The cochlea picks up sound waves and makes nerve signals.

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The sum of two numbers<br> is 8. their difference is 12.<br> find the numbers.

Aleonysh [2.5K]

X + y = 8
x - y = 12
--------------add
2x = 20
x = 20/2
x = 10

x + y = 8
10 + y = 8
y = 8 - 10
y = -2

ur numbers are 10 and -2

7 0

3 years ago

Read 2 more answers

Which of the following is the correct graph of the solution to the inequality −18 > −5x + 2 ≥ −48?

monitta

Answer:

Option D. A number line with an open circle on 4 with shading to the right and a closed circle on 10 with shading to the left

Step-by-step explanation:

we have

$-18 > -5x+2 \geq -48$

Divide the compound inequality into two inequalities

$-5x+2 \geq -48$ -----> inequality A

$-5x \geq -48-2$

$-5x \geq -50$

Multiply by -1 both sides

$5x \leq 50$

Divide by 5 both sides

$x \leq 10$

The solution of inequality A is the interval ----> (-∞,10]

All real numbers less than or equal to 10

$-18 > -5x+2$ -----> inequality B

$-18-2 > -5x$

$-20 > -5x$

Multiply by -1 both sides

$20 < 5x$

Divide by 5 both sides

$4 < x$

Rewrite

$x > 4$

The solution of the inequality B is the interval ----> (4,∞)

All real numbers greater than 4

The solution of the compound inequality is

(-∞,10] ∩ (4,∞)= (4,10]

All real numbers greater than 4 and less than or equal to 10

A number line with an open circle on 4 with shading to the right and a closed circle on 10 with shading to the left

8 0

2 years ago

Read 2 more answers

How many tenths are in one whole

Alexandra [31]

10/10 = 1

so the are 10 tenths in 1 whole

7 0

2 years ago

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Please evaluate: (−2)^3 · (−2)^4<br> show your work

sammy [17]

Answer:

-128

Step-by-step explanation:

$(-2)^3 \cdot (-2)^4=$

$(-2\cdot -2\cdot -2) \cdot (-2\cdot -2\cdot -2\cdot -2)=$

$-8\cdot 16=$

$-128$

Hope this helps!

3 0

2 years ago

Read 2 more answers

The equation (x – 5)^2 + (y – 7)^2 = 81 models the position and range of a cellular phone tower. What is the range of the tower?

LiRa [457]

Answer:

In interval form range is [-2,16]

Step-by-step explanation:

Here we can see that given equation is circle

whose center is (5,7 ) and radius is 8 ,

Range of the circle is actually values of y it changes from

if (h,k) is the center and r is the radius of circle then range is given by

k-r ≤y ≤ k+r

here in the question k = 7 and r =9

therefore range is

7-9 ≤y ≤ 7+9

-2 ≤y ≤ 16

In interval form [-2,16]

4 0

2 years ago