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Alenkasestr [34]
3 years ago
5

A furnace operates at 2,300°F.

Mathematics
1 answer:
Cloud [144]3 years ago
6 0

Answer:

T = 2,300 + q × 250

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What is the probability that they both choose a card labeled dog?
LuckyWell [14K]

Answer:

0.16

Step-by-step explanation:

As it is stated that the card having the label of a dog has a probability of 0.4. Hence, the probability that they both choose a card labeled dog is 0.16.

6 0
3 years ago
pedro has scores of 88,80.83 and 74 after four tests. what score must he make on his fifth test to have an average of 76 or grea
daser333 [38]

We start to solve this by looking for the formula that let us calculate an average value, this formula would be:

save=\frac{1+s2+s3+s4+s5}{5}

where Save is the average score and s is the score of each exam, Since we know the value of the score Save and 4 of the exams we can replace them in the formula, like this:

And we can solve for s5, which is the score that we need to find, like this:

\begin{gathered} 74\times5=\frac{88+80+83+74+s5}{5}\times5 \\ 74\times5=88+80+83+s5 \\ 74\times5-88-80-83-74=88+80+83+74-88-80-83-74+s5 \\ 74\times5-88-80-83-74=s5 \\ s5=74\times5-88-80-83-74=55 \end{gathered}

Then, Pedro must have a 55 score on the fifth test

3 0
11 months ago
I don't get it please help
Elis [28]
2, (double) 4, (double) 8 (double) 16, So 16 in week 4
2+4+8+16 = 30
5 0
3 years ago
Read 2 more answers
(-7x+8y-2z)+(-9x-y+6z)​
Svetach [21]

Answer: the answer is -16x+7y+4z

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Can someone please help me with the ones that are circled?
svlad2 [7]

3.) f(x)=-2(x+1)^2+3

Domain: (- infinity, infinity)

Range:(-infinity,3]

Vertex: (-1,3)

Axis of symmetry: x=-1

Opens downward

4.) f(x)=9(x-2)^2-3

D:(-infinity, infinity)

R: [-3,infinity)

Vertex: (2,-3)

Axis: x=2

Opens upward

6.)

D:(-infinity, infinity)

R:(-infinity,0]

Vertex: (5,0)

Axis: x=5

Opens downward

7 0
3 years ago
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