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zhannawk [14.2K]
3 years ago
12

Please help asap! Add using the number line.

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

0.6

Step-by-step explanation:

1) 1.4-0.8 (A negative and a positive equals a negative, then you just subtract. On the number line you would start at 1.4 and go back)

hope this helps!

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Secant RM intersects secant RN at point R. Find the length of RQ. If necessary, round to the hundredths place.
QveST [7]

Answer:

3 Units

Step-by-step explanation:

Secant RM intersects secant RN at point R.

The secants intersects the circle at points P and Q respectively as seen in the diagram.

To determine the length of RQ, we use the Theorem of Intersecting Secants.

Applying this on the diagram, we have:

RP x RN=RQ X RM

4(4+5)=RQ(RQ+9)

Let the length of RQ=x

4*9=x^2+9x\\36=x^2+9x\\x^2+9x-36=0\\x^2+12x-3x-36=0\\x(x+12)-3(x+12)=0\\(x+12)(x-3)=0\\x+12=0$ x-3=0\\x=-12 or x=3\\Since x cannot be negative$\\x=|RQ|=3

Therefore, length of RQ=3 Units

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3 years ago
10. Un átomo de potasio tiene 19 protones en el núcleo y 20 neutrones. A partir de estos datos, a) ¿Cuál será su número atómico?
hram777 [196]

Answer:

translate this to English and I'll help!(:

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3 years ago
The sum of two numbers is 25. Create an equation using two variables that represents this situation.
dmitriy555 [2]

Answer:

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Step-by-step explanation:

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Britney is trying out for the track team along with 24 other people nine people were running distance seven people were there to
ivolga24 [154]

Answer:

The 6-minute half-mile time is continuous data; the number of people trying out for the team is discrete data.

Step-by-step explanation:

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On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite direction. The numb
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