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sertanlavr [38]
4 years ago
13

As part of a screening process, computer chips must be operated in an oven at 125 °C. At the end of the cycle, the oven must be

cooled before the chips can be removed. Ten minutes after starting cool-down, the temperature is 66 °C. After 15 minutes, the temperature is 36.5 °C. What will the temperature be after 16.5 minutes? Round the answer to the nearest tenth of a degree.
Mathematics
1 answer:
Tasya [4]4 years ago
3 0
I got 22.5 
 
tell me if i got it wrong or right
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ziro4ka [17]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
What is the solution to the system of equations graphed below?
sweet [91]

Answer:

\text{B. }(2, -3)

Step-by-step explanation:

\begin{cases}y=2x-7,\\y=-x-1\end

Since y=y:

2x-7=-x-1,\\3x=6,\\x=2

Solving for y:

y=2(2)-7=4-7=-3

Verify that the point of intersection occurs at \boxed{(2, -3)}\checkmark

5 0
3 years ago
Instructions: state what additional information is required in order to know that the triangle in the image below are congruent
Stells [14]

SSS (side-side-side) requires that all three sides of the potentially congruent triangles be congruent.

Triangle WVU & Triangle UBW are our two triangles.

The middle line, UW and WU are congruent by the reflexive property, so that is not the information we need to prove SSS.

For SSS, we need to know that sides WV and UB are congruent.

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8 0
3 years ago
F(x)=6x^2+10x−1 How many distinct real number zeros does f have?
Nonamiya [84]

Answer:

Here, D>0, hence the quadratic equation has two distinct real roots.

Step-by-step explanation:

Given quadratic equation is 6x^{2} +10x-1.

Let, the quadratic equation is ax^{2} +bx+c    [where, a,b,c are the constants]

The Discriminant (D)=b^{2}-4ac

Case 1:   b^{2}-4ac>0, if the discriminant is greater than 0, it means the quadratic equation has two real distinct roots.

Case 2: b^{2}-4ac, if the discriminant is less than 0, it means the quadratic equation has no real roots.

Case 3: b^{2}-4ac=0, if the discriminants is equal to 0, it means the quadratic equation has two real identical roots.

Now,

      we have 6x^{2} +10x-1, where a=6,b=10,\ and\  c=-1

∴D=b^{2}-4ac

     =(10)^{2}-(4\times 6\times\ -1)

     =100+24

     = 124

Here, D>0, hence the quadratic equation has two distinct real roots.

7 0
3 years ago
3
Ksju [112]

Answer:

2 i think

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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