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blondinia [14]
3 years ago
8

Reflect -4,3 over the x-axis what is it

Mathematics
1 answer:
jasenka [17]3 years ago
6 0

Answer:

-4,-3

Step-by-step explanation:

I think thats right! If not, let me know.

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Determine the circumference of a circle with a radius of 6.8. Round your answer to the tenths place.
balu736 [363]
Circumference=2(pi)r
C=2(pi)(6.8)
C=2(3.14)(6.8)
C=42.7

Either use the pi button on your calculator or use 3.14

4 0
3 years ago
PLEASE HELP!!! I really need help with this.
kenny6666 [7]

Answer:

M.  2.5n - (-8.2) = 26. 7

to find n transpose

2.5n + 8.2 = 26. 7

2.5n = 26. 7 - 8.2

2.5n = 18.5

n = 18.5 ÷ 2.5

n = 7.4

L.  \frac{7a + 1}{2} = 18

7a + 1 = 18 ×2

7a + 1 = 36

7a = 36 - 1

7a = 35

a = 35 ÷ 7

a = 5

N.     \frac{2}{5} b + 1 = -11

\frac{2}{5} b   = -11 -1

\frac{2}{5} b   = -12

b = -12 - \frac{5}{2}

b = 20

H.   5 - \frac{9}{2} d = 32

- \frac{9}{2} d = 32 - 5

- \frac{9}{2} d = 27

d =  27 + \frac{2}{9}

d = 6

8 0
3 years ago
Maureen tracks the range of outdoor temperatures over three days. She records the following information.
Shkiper50 [21]
<h2>Hello!</h2>

The answer is:

The correct option is the third option;

-23\leq t\leq 50

<h2>Why?</h2>

To find which of the options expresses the intersection of the three days as an inequality in terms of temperature "t" we need to find an inequality which starts at the lowest temperature (greater or equal) and finish at the highest temperature (less or equal).

So, we have that the lowest temperature is -23°F and the highest temperature is 50°F, there are two options for that range, but we need to consider that the temperature will range from -23° to 50°, so, the correct option is the third option;

-23\leq t\leq 50

We can see that the inequality express that the temperature will range from -23°F being greater or equal than that, to 50°F being less or equal than that.

Have a nice day!

4 0
4 years ago
PLEASE HELP!!! Blue whales eat an average of 5,000 pounds of fish daily, with a standard deviation of 850 pounds. Approximately
REY [17]

Answer:

15.87% of blue whales eat more than 5,850 pounds of fish

Step-by-step explanation:

Mean = 5000

Standard Deviation = 850

We need to find P(x>5850) = ?

We can find using z-score

z = x - mean/ standard deviation

z = 5850 - 5000/850

z = 850/850

z = 1

Now, P(x>5850) = P(z>1)

Finding value of P(z>1) by looking at the z-score table

P(z>1) = 0.8413

The normal distribution gives area to the left , so subtracting it from 1 to gain the answer

1-0.8413 = 0.1587

Now, to find percentage multiply it with 100

0.1587 * 100 = 15.87 %

15.87% of blue whales eat more than 5,850 pounds of fish

5 0
3 years ago
Read 2 more answers
Which of the following is a correct interpretation of the expression 2 +7
Harrizon [31]
Nine.....................
6 0
3 years ago
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