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3 years ago

30 POINTS

1 answer:

4 0

6. The greater the negative number the further away it is on the number line.
7. Zero is neither positive nor negative.
8. The smaller the negative number the closer it is to zero on a number line.
9. Integers are graphed on a number line.

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The temperature inside a certain industrial machine at time t seconds after startup, for 0 < t < 10, is given by h(t) = 42

frutty [35]

Answer:

$t= \frac{125}{38} s$

Step-by-step explanation:

We are given the temperature inside the machine from startup until 10 seconds later, the formula is:

$h(t)= 42 \cdot t +1 - 4\cdot t +2 (degrees \, C)$

We want to know at what time t the temperature inside the machine will be equal to 128 °C.

So we set:

$h(t)=128$

$42\cdot t+1-4\cdot t+2=128$

Now, we rearrange the equation to keep terms with t on the left hand side and terms without t on the right hand side

$42\cdot t-4\cdot t=128-1-2$

and we simplify:

$(42-4)\cdot t= 128-2-1= 125$

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now it's easy to solve for t:

$t=\frac{125}{38}$

And thus we arrive to the solution.

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3 years ago

Please help me can y’all tell me how to solve it out

denpristay [2]

Answer:

40in

Step-by-step:

to get from 12 to 30 you multiply by 2.5

this is the scale factor

then you do 16 x 2.5 which is 40

pq (p to q) is 40in

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3 years ago