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3 years ago

Pls help! i hate math its so confusing! pics down below! happy valentines day btw <3

Mathematics

2 answers:

vekshin13 years ago

5 0

Answer:

-3x

Step-by-step explanation:

you have 3 boxes of -x

so: -x times 3 = -3x

Free_Kalibri [48]3 years ago

3 0

Answer:

the threee lines represent-3x

and happy valentines day<3

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{(1, 1), (2, 2), (3, 3), (4,4)} domain and range

jarptica [38.1K]

Answer:

Domain: 1, 2, 3, 4

Range: 1, 2, 3, 4

Step-by-step explanation:

The domain is the first coordinate in an ordered pair which is x. In this set of ordered pairs, the first coordinates ( x ) are 1, 2, 3, 4. The range is the second coordinate in an ordered pair which is y. The range of this set of ordered pairs is 1, 2, 3, 4.

Hope This Helps :)

6 0

2 years ago

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A signal light is green for 4 minutes, yellow for 10 seconds, and red for 3 minutes. If you drive up to this light, what is the

posledela

Answer:

0.56 is the required probability.

Step-by-step explanation:

Time for which signal shows green light = 4 minutes

Time for which signal shows yellow light = 10 seconds

Time for which signal shows red light = 3 minutes

To find:

Probability that the signal will show green light when you reach the destination = ?

Solution:

First of all, let us convert each time to same unit before doing any calculations.

Time for which signal shows green light = 4 minutes = 4 $\times$ 60 seconds = 240 seconds

Time for which signal shows yellow light = 10 seconds

Time for which signal shows red light = 3 minutes = 3 $\times$ 60 seconds = 180 seconds

Now, let us have a look at the formula for probability of an event E:

$P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}$

Here, E is the event that green light is shown by the signal.

Number of favorable cases mean the time for which green light is shown and Total number of cases is the total time <em>(Time for which green light is shown + Time for which Yellow light is shown + Time for which red light is shown)</em>

So, the required probability is:

$P(E) = \dfrac{240}{240+10+180}\\\Rightarrow P(E) = \dfrac{240}{430}\\\Rightarrow \bold{P(E) \approx 0.56 }$

5 0

2 years ago

What's 76×32÷5+(19×92)-15×2? Need help ASAP

arsen [322]

Answer:

2204.4

Step-by-step explanation:

Okay so we want to always use order of operations: PEMDAS

Sop first we do what is in the parenthesis. 19*92 is 1748.

Now, going from left to right, we do multiplication and division. 76*32 is 2432. Then we divide that by 5 to get 486.4. And the last bit is 15*2 which is 30.

Your equation now is 486.4+1748-30.

The final answer is 2204.4

6 0

3 years ago

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What is GC? A.9 B.12 C.13 D.14

Kazeer [188]

Answer:

Step-by-step explanation:

For the median GC, the distance from the vertex to the centroid G is twice as long as the distance from the centroid to the midpoint, that is

GC = 2 GD = 2 × 7 = 14 → D

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3 years ago

PLS HELP TEST ILL GIVE BRAINLIEST

dybincka [34]

Answer:

X must be negative

because the answer is x=-8

Step-by-step explanation:

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2 years ago

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