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3 years ago

Alejandra correctly wrote the equation y - 3 = (x - 10) to represent a line that her teacher sketched. The teacher then

Mathematics

2 answers:

valentina_108 [34]3 years ago

5 0

Answer:

y-3=2(x-10)

Step-by-step explanation:

forsale [732]3 years ago

4 0

I think it’s D but I could be wrong

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The value of Adam's model railway is $550.

garik1379 [7]

Answer:(c)

Step-by-step explanation:

Given

The initial value of Adam's model is $A_o=\$550$

the value increases exponentially with the rate of $r\%$

Time period $t=5\ years$

Final amount $A=\$736$

Exponential growth is given by

$\Rightarrow A=A_o(1+r)^t$

Putting values

$\Rightarrow 736=550(1+r)^5\\\\\Rightarrow (1+r)^5=1.338$

$\Rightarrow 1+r=1.05999\\\Rightarrow r=0.05999\ or\ 5.99\%\approx 6\%$

Option (c) is correct

6 0

3 years ago

Please answer quickly

notka56 [123]

Answer:

$\frac{16}{3}$

Step-by-step explanation:

To evaluate substitute x = - $\frac{1}{2}$ into f(x)

f( - $\frac{1}{2}$ )

= - $\frac{2}{3}$ × - $\frac{1}{2}$ + 5

= $\frac{1}{3}$ + 5

= $\frac{1}{3}$ + $\frac{15}{3}$ = $\frac{16}{3}$

4 0

3 years ago

A .Dog and a cat are 200 meters apart when they see each other. The dog can run at a speed of 30 m/sec, while the cat can run at

Mila [183]

Answer:

33 ¹/₃ seconds

Step-by-step explanation:

Since the dog is 30 - 24 = <em>6 m/s faster than the cat</em>, that means that the dog is <em>6 meters closer to the cat each second</em>.

So, that gap will close in 200/6 = 33 ¹/₃ seconds.

7 0

4 years ago

2. Which of the following is a quadratic equation?

Liula [17]

Answer:

1 111111111818182818282

6 0

3 years ago

In the NBA, any shot made from 22 feet or more from the basket is worth 3 points. How many yards from the basket is that?

IgorLugansk [536]

Answer:

22/3 yards, roughly 7.33 yards.

Step-by-step explanation:

We know that there is 3 feet in 1 yard.

Given 22 feet, we divide by 3 to find the amount of yards, thus changing the unit.

The exact amount of yards is just 22/3, which you can estimate to 7.33 yds.

7 0

4 years ago