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alukav5142 [94]
3 years ago
15

Is this statement true or false? If AB+BC=AC, then AB=BC​

Mathematics
1 answer:
Aneli [31]3 years ago
8 0

Answer:

true

Step-by-step explanation:

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Find the ordered pair of both 4x-3y=6 and 6x + y =42
WINSTONCH [101]

Answer:

(-60/11,111/11)

Step-by-step explanation:

Solving simultaneously, 4x - 3y=6

-3(6x + y=42)

then it becomes, 4x - 3y=6

-18x - 3y= 126 subtracting the two equations,

22x= -120, x= -60/11 and y = 111/11

7 0
3 years ago
What is the order of the quadratic functions f(x)=−0.5x2,f(x)=14x2, and f(x)=x2 from the widest graph to the narrowest graph?
Irina18 [472]

Answer:

f(x) =  - 0.5 {x}^{2}  \to \: f(x) =  {x}^{2}  \to \: f(x) = 14 {x}^{2}

Step-by-step explanation:

The given quadratic functions are:

f(x) =  - 0.5 {x}^{2}

f(x) = 14 {x}^{2}

f(x) =  {x}^{2}

We want to order these functions, from the widest to the narrowest.

How wide the graph will open depends on the absolute value of the coefficient of the function.

The smaller the absolute value of the coefficient, the wider the graph.

Since

| - 0.5|   \: <  \:  |1|  \:  <  \: |4|

Therefore from the widest graph to the narrowest graph, we have:

f(x) =  - 0.5 {x}^{2}  \to \: f(x) =  {x}^{2}  \to \: f(x) = 14 {x}^{2}

7 0
4 years ago
Pls help me!!!! I will give brainliest!!!!
Gwar [14]

Answer:

B

Step-by-step explanation:

because the numbers 0-9 consist of 10 numbers,

having a 70% chance of success means that out of the 10 numbers, 7 are correct.

thus, choice B is correct as it have 7 numbers in it

(rmb to count "0" as a number!)

5 0
3 years ago
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Plz help math 50 points asp and Brianliest
hjlf

Answer:

Step-by-step explanation:

4 0
3 years ago
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Write each ratio as a rate.
Setler [38]

Answer:

a. 62 miles/hour

b. 1.25 laps/minute

Step-by-step explanation:

a. ratio of miles to the number of hours is 434 to 7 can also be written as

\frac{434}{7}= 62 miles/hour

therefore rate or speed= 62 miles/hour

b. \frac{number\ of \ laps}{number\ of \ minutes} = \frac{5}{4}

= 1.25 laps/minute which rate or speed

7 0
3 years ago
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