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KiRa [710]
3 years ago
13

We can measure. waves with instruments

Mathematics
1 answer:
lana [24]3 years ago
8 0

Answer:

Yes, we can measure waves with instruments. We can also use math.

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NEED HELP ASAP!!
Ksju [112]

Answer:

i) 2x² + 4x + 7x + 14

= 2x² + 11x + 14

ii) 2x² - 5x - 12x + 30

= 2x² - 17x + 30

7 0
3 years ago
A triangle has an area of 160 square inches. If it has a height of 10 inches, what is its base length?
inn [45]

Answer:

The answer is:

32 inches

Step-by-step explanation:

The reason to why is because a triangle's area is always length times height divided by 2. In this case we need to reverse the steps and multiply 160 by 2 to get 320. Then divide the area of 320 by 10 to get 32 inches to be the base length.

Hope you have a wonderful day :)

6 0
4 years ago
Suppose that l lines are drawn through a circle and these lines form p points of intersection (involving exactly two lines at ea
zhenek [66]

Over which interval(s) is the function decreasing?


8 0
3 years ago
Multiply:<br> x (x^2+2x+4) and -2 (x^2+2x+4)<br><br> Combine like terms.<br><br> Final Answer:
natulia [17]

Answer:

x^3-8

Step-by-step explanation:

x^3+2x^2+4x + -2x^2-4x-8

+2x^2 and -2x^2 cancel out

+4x and -4x cancel out

5 0
3 years ago
1) 5.4 +(-9.7)<br> Find the sum
harina [27]

Answer:

-4.3

Step-by-step explanation:

5.4 +(-9.7)

= 5.4-9.7

=-4.3

4 0
3 years ago
Read 2 more answers
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