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lina2011 [118]
4 years ago
8

Help asap!!! I really need help on this

Mathematics
1 answer:
alexandr402 [8]4 years ago
3 0

Step-by-step explanation:

The function is positive when the graph is over the x-axis, and negative when the graph is under the x-axis.

As we can see from the graph, it has x-intercepts at x = -3 and x = 3.

Since the graph curves upwards, the function is positive in intervals (-∞, -3) U (3, ∞) and negative in the interval (-3, 3).

You might be interested in
Steven's kite rose into the air at the rate of five feet per second. How many feet did it rise in 2/3 minute (please explain how
igor_vitrenko [27]

Answer:

800 ft

Step-by-step explanation:

2/3 minutes = 2/3 min * 60 sec/min = 40 sec

5 ft/sec * 40 sec = 800 ft

4 0
3 years ago
Find two consecutive integers whose sum is eleven less than three times the smaller integer.
asambeis [7]

Answer:

If you call the smaller integer "x" and the greater integer "y", then:

x+y=3x-11             The sum of the two is 11 less than 3 times the smaller

y=x+1                    Because they are consecutive, the greater must be 1 more than the smaller

Then you can solve for x:

x+(x+1)=3x-11       Substitute x+1 for y

2x+1=3x-11            Combine like terms

2x+12=3x               Add 11 to both sides

12=x                      Subtract 2x from both sides

The smaller integer is 12, thus the greater integer is 1 more or 13.

Check:

12+13=3(12)-11

25=36-11

25=25                       Yes, so the integers are 12 and 13

Step-by-step explanation:

thats pretty much it

5 0
3 years ago
On the written portion of her driving test, Sara answered 84% of the questions correctly. If Sara answered 42 questions correctl
kotykmax [81]
There is 50 questions hole this helps
7 0
3 years ago
I need help 6 7 is due tommorw pls help
arsen [322]

Answer:6: 8.64

7: 584

Step-by-step explanation:

48×.18=8.64

800×.73=584


Hope this helps

3 0
3 years ago
Read 2 more answers
Please help me<br><br> Determine the value of base b if (152)b = 0x6A. Please show all steps.
egoroff_w [7]

Answer:

The value of b is, 8

Step-by-step explanation:

To determine the value of b:

Given:

(152)_b = 0x6A               ....[1]

Since, 0x6A represents the hexadecimal form.

To convert this hexadecimal form into decimal form:

(6A)_{16}= (6 \times 16^1)+(A \times 16^0)=(6 \times 16)+(10 \times 1) =96+10 = 106

⇒0x6A=106(decimal form)

Now we have to convert this decimal form into octal

8  |  106

8   |  13   | 2

    |   1    |  5

        1

Then, the octal form we get, (152)_8

Substitute this in [1] we have;

(152)_b = (152)_8

On comparing both sides we have;

b = 8

Therefore, the value of b is, 8

5 0
3 years ago
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