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3 years ago

On a particular day, the Dow Jones had a rate of change of -2.1%. Which of the following statements must also be true?

Mathematics

2 answers:

sesenic [268]3 years ago

8 0

Answer:D

Step-by-step explanation: the average of the 30 stocks in the Dow Jones increased

Karolina [17]3 years ago

4 0

Answer:

D. The average of the 30 stocks in the Dow Jones decreased

Step-by-step explanation:

Just finished

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Solution to the system of inequalities shown below:

Oxana [17]

Letter b. (2,5) is the only one that when plugged into the inequality above still makes the inequality true because 7<=7 and 5>2

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4 years ago

Taylor is building doghouses to sell. Each doghouse requires 3 full sheets of plywood which Taylor cuts into new shapes. The ply

lapo4ka [179]

Answer:

Step-by-step explanation:

taylor is building doghouses to sell. each doghouse requires 3 full sheets of plywood which taylor cuts into new shapes. the plywood is shipped in bundles of 14 full sheets. how many doghouses can taylor make from 12 bundles of plywood?

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3 years ago

PLEASE HELP ME NOW!!

puteri [66]

Answer:

$x=4+-2\sqrt{7}$

Step-by-step explanation:

To solve, we need to take square root of both sides first:

$(x-4)^2=28\\\sqrt{(x-4)^2} =+-\sqrt{28} \\x-4=+-\sqrt{28}$

Now we use the property of radical shown below to simplify square root of 28:

Property: $\sqrt{x*y}=\sqrt{x} \sqrt{y}$

Now, we have:

$x-4=+-\sqrt{28}\\x-4=+-\sqrt{4*7}\\x-4=+-\sqrt{4}\sqrt{7}\\x-4=+-2\sqrt{7}$

Now we take 4 to the other side and isolate x:

$x-4=+-2\sqrt{7} \\x=4+-2\sqrt{7}$

first answer choice is right.

4 0

4 years ago

Read 2 more answers

Is the following relation a function ?

Sedaia [141]

No it is not a function the are two inputs for one output

7 0

4 years ago

Please help! :) (Whoever answers first I'll give Brainlest!)

Irina-Kira [14]

Answer:

Step-by-step explanation:

Do what's inside the paranethesis first

2+(9*3)=2+27=29

29*3=87

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3 years ago