Please Help!
50 points!
But DO NOT waste my points.
I will report you.

A student is trying to solve the system of two equations given below:

Equation P: y + z = 6
Equation Q: 3y + 4z = 1

Which of the following is a possible step used in eliminating the y-term?

a. (y + z = 6) ⋅ 4
b. (3y + 4z = 1) ⋅ 4
c. (y + z = 6) ⋅ −3
d. (3y + 4z = 1) ⋅ 3

Answer: C

Step-by-step explanation:

A says the polygon's measurements are 283 inches by 283 inches. Is it Correct? No. If we multiply these numbers we get 80,089 inches squared, which is not equal to our actual surface of 283 inches squared.

B says the polygon's volume is 283 inches cubed, which is not correct because it says that a certain measurement of a polygon is 283 inches squared, not cubed, which means we got a surface/area, not a volume.

C says that our 283 inches squared area could fit 283 one-inch by one-inch squares, which is correct because one-inch by one-inch is an one inch squared area, if we multiply this one-inch squared by the number 283, we get 283 inch squared area.

And D couldn't be because the answer is C.

Hope I Helped!

Answer:

option A

Explanation:

General measurement for a treehouse:

For best measurement, option A is correct.

In option B and C, the measurement is too small for the tree house.

Answer:

4.5cm

Step-by-step explanation:

28cm+0.3cm=28.3cm

surface area=28.3cm×15cm=424.5cm

original surface area=28cm×15cm=420cm

different=424.5cm-420cm=4.5cm

Answer:

68.42

Step-by-step explanation:

We know that when we add the lengths of all of the desks together, the total is 214.62. Based on that information, we can set up the following equation: 67.94 + 78.26 + x = 214.62. From there, all you have to do is add 67.94 + 78.26 to get 146.2. Lastly, you simply do 214.62 - 146.2 to get 68.42. Hope this helps!

Answer:

68.42

Step-by-step explanation:

We know that when we add the lengths of all of the desks together, the total is 214.62. Based on that information, we can set up the following equation: 67.94 + 78.26 + x = 214.62. From there, all you have to do is add 67.94 + 78.26 to get 146.2. Lastly, you simply do 214.62 - 146.2 to get 68.42. Hope this helps!

Answer:

2

Step-by-step explanation:

proportional relationship: must be straight line and go through (0, 0).

[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]

[tex]\qquad \tt \rightarrow \: C. 2 [/tex]

____________________________________

[tex] \large \tt Solution \: : [/tex]

Proprtional relationship can be depicted as :

[tex]\qquad \tt \rightarrow \: y \propto x[/tex]

[ to get rid of proportionality sign, we use constant c ]

[tex]\qquad \tt \rightarrow \: y = cx[/tex]

Now, conclusion can be made that the shown equation represents a straight line.

And the graph has two straight lines, which means proportional relationship is shown by Two members

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

Answer:

The answer should be 9 9/20

Step-by-step explanation:

You need to take the total volume of the regular box and multiply it by the downsize of 3/10 and that leaves you with 9.45.

Answer:

A) (x+10)(x+4) = ?

B) (x+10)(x+4) = 112, solve for x

Step-by-step explanation: you multiply the two equations to get the area.

Answer:

a)[tex](x^{2} +14x+40)ft^{2}[/tex]

b)14ft, 8ft

Step-by-step explanation:

a) Area of Rectangle = Length x Breadth

= [tex](x+10)(x+4)\\=x^{2} +4x+10x+40\\=(x^{2} +14x+40) ft^{2}[/tex]

b) Given Area of rectangle = [tex]112ft^{2}[/tex]

[tex]x^{2} +14x+40=112\\x^{2} +14x-72=0 (Quadratic Equation)\\\\[/tex]

Quadratic Equations: [tex]ax^{2} +bx+c = 0\\[/tex]

In this case, a = 1, b = 14, c = -72

[tex]\frac{-b+/-\sqrt{b^{2}-4ac } }{2a} \\= \frac{-14+/-\sqrt{14^{2} 4(1)(-72)} }{2(1)} \\= 4 or - 18 (reject)[/tex]

We reject negative values.

so x = 4,

The length of table = (x+10) ft = 4+10 = 14ft

The breadth of the table = (x+4) ft = 4 + 4 = 8ft

Answer:

There are 23 cats for every 36 dogs at the city pound

Step-by-step explanation:

This means that for every group of 92 cats at the city compound there is a group of 144 dogs. So it also means that for every group of 23 cats there is a group of 36 dogs.

92 to 144 or 92/144 = 23/26  or 23 to 36

Answer:

8:12

around every 8(7.6)cats there will be 12 dogs

Answer:

I believe it is A

Answer:

If it is a perfect square, k=0 in the form y=a(x-h)^2+k.

Step-by-step explanation:

x^2-4x+4=(x-2)^2, meaning that the vertex is at the point (2,0).

Hope this helped :)

Answer:

In vertex form: y = 1(x - (-3))² + 7

Vertex: Minimum (-3, 7)

Explanation:

Vertex form: y = a(x - h)² + k

Completing square (rules) :

1st rule: (x + d)² = x² + 2dx + d²    and   (x - d)² = x² - 2dx + d²

2nd rule: x² + 2dx = (x + d)² - d²   and  x² - 2dx = (x - d)² - d²

Given equation:

y = x² + 6x + 16

y = x² + 2(3)x + 3² + 7

y = (x + 3)² + 7

Into vertex form:

y = 1(x - (-3))² + 7

From this identify:

a = 1, h = -3, k = 7

Solution, vertex of this equation: Minimum (-3, 7)

Answer:

  3504.24 square meters

Step-by-step explanation:

You want the surface area of a cylinder of radius 18 m and height 13 m.

The surface area of a cylinder is given by the formula ...

  A = 2πr(r +h)

  A = 2(3.14)(18 m)(18 m +13 m) = 3504.24 m²

The surface area of the cylinder is about 3504.24 square meters.

<95141404393>

Answer:

well, both numbers are odd, so their sum will be even.

2 is the smallest prime divisor.

Answer:

(x - 2)² + 0

Step-by-step explanation:

Using x² - 4x + 4

(x² - 4x + 4)

x² - 4x + (-2)² - (-2)² + 4 (complete the square)

(x - 2)² - ( -2)² + 4 (use the binomial formula)

(x - 2)² + 0

Vertex point at (2,0)

Answer:

(x - 2)² + 0

Step-by-step explanation:

Step-by-step explanation:

Using x² - 4x + 4

(x² - 4x + 4)

x² - 4x + (-2)² - (-2)² + 4 (complete the square)

(x - 2)² - ( -2)² + 4 (use the binomial formula)

(x - 2)² + 0

Vertex point at (2,0)

Answer:

b

Step-by-step explanation:

9x7.8x1/2x12

Answer:

C. 394.2 ft²

Explanation:

surface area of triangular prism: (a+ b + c) × length + base × height

Here given:

Applying the formula:

Fadi finishes studying at 4 : 20 and he finishes playing at 4 : 50.

Addition is one of the basic mathematical operations where two or more numbers is added to get a bigger number.

The process of doing addition is also called as finding the sum.

Given that Fadi starts studying at 3 : 30.

Length of studying was 50 minutes.

3 : 30 adding 50 minutes gives 4 : 20.

Hence he finishes studying at 4 : 20.

Fadi starts playing at 4 : 20.

Length of playing was 30 minutes.

4 : 20 adding 30 minutes gives 4 : 50.

Hence he finishes studying at 4 : 50.

Hence the end time of studying and playing is 4 : 20 and 4 : 50 respectively.

Learn more about Addition here :

https://brainly.com/question/29560851

#SPJ2

Answer:

38

Step-by-step explanation:

for this table, we can add up all of the students who chose flying (both the "male" and "female" students)

26 + 12 = 38

So, 38 students chose flying as their superpower.

hope this helps!!

Step-by-step explanation:

√19 = 4.36

3√64 = 4

4.2

therefore the other from least to greatest will be

3√64, 4.2, √19

Answer:

Parallel lines are lines that never touch each other

Step-by-step explanation:

they are straight and go on forever without intersecting (crossing)

Answer:

parallel lines are always the same distance apart from each other at all times, they never come in contact with one another

Step-by-step explanation:

They never intersect. It is difficult to explain, but you can look at examples on the internet. Hope this helps, have a good day, and good luck with your summer homework and good luck in 6th grade :)

Answer:

Capital Gains

Capital gain calculation in four steps

Determine your basis.

Determine your realized amount.

Subtract your basis (what you paid) from the realized amount (how much you sold it for) to determine the difference.

Review the descriptions in the section below to know which tax rate may apply to your capital gains

To calculate the taxable gain on the sale of an asset, an individual takes the difference between the original purchase price and the sale price of the investment.

Answer:

I think C

Step-by-step explanation:

A number times fifteen would be n • 15 or just n15.
The reason it is not 15n is because it asks a "number" which in this case is represented by  the letter n. That letter is now multiplied (times) by 15. So therefore the number "n" times 15 is n15.

Please hit brainliest or thanks, it would help me out.

#Learnwithbrainly

Answer:

Step-by-step explanation:

A: The starting point is located in Quadrant Q and the finishing point will be located in Quadrant S.

B: The checkpoint is in Quadrant P so it is in the middle of the course. The course will go from Quadrant Q to Quadrant S clockwise.

Answer: down below...

Step-by-step explanation:

Exercise 1:

Income = $83.465

Tax paid at 5.05% means, whatever your income is, you gotta pay 5.05% of it as a tax.

5.05% = [tex]\frac{5.05}{100}[/tex]

[tex]\frac{5.05}{100}*$83.465[/tex]

[tex]0.0505*$83.465[/tex]

If you do the calculations it should give you a $4,214.9825 tax

"Income tax paid at 9.15%"

[tex]\frac{9.15}{100}*83.465[/tex]

[tex]0.0915*83.465[/tex]

The 9.15% tax = $7,637.0475

"Total income tax paid"

This will just be the sum of the two taxes.

$4,214.9825+$7,637.0475 = $11,852.03 (sum of taxes)

Exercise 2:

Purchase price = $347.000

Selling price = $863.000

As you can see, they purchased the property for $347.000 and sold it for $863.000 which made them a lot of money in profit :)

That's what the Difference is.

Difference = $863.000-$347.000

Difference = $516,000

I don't really understand what capital gains are, because I'm 13, but I suppose I gotta calculate 50% of the profit that the banker has made.

[tex]\frac{50}{100}*$516.000[/tex]

[tex]\frac{5}{1}*$51.600[/tex]

[tex]5*$51.600[/tex]

"Capital gains" = $258,000

I don't really know if this is the correct answer for capital gains, but I am pretty sure I did well on the other ones.

Hope I helped you :] !

Answer:

Step-by-step explanation:

Answer:  [tex]\sqrt{\frac{9}{4} }[/tex]

Step-by-step explanation:

This is what it is as a mixed number

[tex]\sqrt{2.25}[/tex]

= [tex]\sqrt{2\frac{1}{4} }[/tex]

= [tex]\sqrt{\frac{9}{4} }[/tex]

If you want it written in exponential form it would look like this:

[tex](\frac{9}{4}) ^{\frac{1}{2} }[/tex]

Answer:

1.5 in decimal and 3/2 or 1 1/2 in fraction

Step-by-step explanation:

hope this helps:)

Answer:

2 multiplied by 4. Then add 3, and add 4. Then multiplied by 5.