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Nuetrik [128]
3 years ago
14

Please help! they are so confusing, and i dont understand how to get the answer

Mathematics
1 answer:
lilavasa [31]3 years ago
6 0
3. brick: 0.0042% times cost
0.0042 times 133000=558.6
$558.60 per year

4. 0.444% or 0.00444 times cost
0.00444 times 109000=483.96
$483.96 per year
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Brian bought a 15 pound bag of comcrete. he split the bag into smaller bags that each hold two and a half pounds. how many small
Westkost [7]
Okay.  You have 15 lbs of concrete, and x bags that can individually hold 2.5 lbs.  What you need to do is divide 15 by 2.5, and the quotient will be 6.
Problem:  15 ÷ 2.5 = 6
So the answer to your problem will be: 6 bags.
3 0
3 years ago
Read 2 more answers
HELP ASAP!!!!!!<br> Ken and Betty each write a proof of the statement: if m
shepuryov [24]

The statement third "Betty wrote an indirect proof using contradiction' and statement fourth "Ken wrote direct proof using deductive evidence" are correct.

<h3>What is an angle?</h3>

When two lines or rays converge at the same point, the measurement between them is called a "Angle."

We have Ken's statements are shown in the table:

Angle AOC = Angle BOD (given)

Angle AOB + Angle BOC = Angle BOC + Angle COD   (angle addition postulate)

Angle AOB = ANgle COD (subtraction property of equality)

Ken wrote direct proof using deductive evidence.

As we can in betty's proof:

Betty wrote an indirect proof using contradiction.

Thus, the statement third "Betty wrote an indirect proof using contradiction' and statement fourth "Ken wrote direct proof using deductive evidence" are correct.

Learn more about the angle here:

brainly.com/question/7116550

#SPJ1

3 0
2 years ago
Find the approximate side length of a square game board with an area of 194 in2.
Mazyrski [523]

Answer:

root 194=13.928 inches

7 0
3 years ago
Find the value of sin30/cos^(2)45 , tan^(2)60+3cos90+sin0​
Alex Ar [27]

Answer:

according to me the ans is 3.

4 0
3 years ago
Easy Grade 7 Math
expeople1 [14]

Answer:

Step-by-step explanation:

Angles x and z are supplementary, meaning that they add up to 180.  From the markings on the diagram, angle z and the angle measuring 20 are complementary, meaning they add up to 90. So the game plan is to find out the measure of angle z first, then use that to find the measure of angle x.

angle z = 90 - 20 so

angle z = 70 degrees. And

angle z + angle x = 180.  Subbing in our value for z:

70 + angle x = 180 and

angle x = 180 - 70 so

angle x = 110 degrees

3 0
3 years ago
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