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Semmy [17]
3 years ago
11

1. State the degree of the following polynomial: x4y3

Mathematics
1 answer:
neonofarm [45]3 years ago
7 0

\bf \stackrel{~~4 + 3 = 7\leftarrow degree}{x^{\stackrel{\downarrow }{4}}y^{\stackrel{\downarrow }{3}}~\hfill }

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Victoria is taking swimming lessons. Her swimming instructor charges $29.50 per hour. If Victoria has swimming lessons for 4.5 h
jarptica [38.1K]

Answer:

123.75

Step-by-step explanation:

4.5 x 29.50 = 123.75

7 0
3 years ago
Read 2 more answers
Which equation gives the closest estimate of 692 – 343?
Oliga [24]

Answer:

350

Step-by-step explanation:

Nearest hundred: 300

Nearest whole number: 350

Hope this helped!

6 0
3 years ago
N.
noname [10]

Answer:

287.1 inches of the canvas.

Step-by-step explanation:

To solve this, we need to first figure out the total area of the canvas. To do that, multiply width by height.

29*33=957

Now set up your equation for solving for the area of the canvas that the rose covers.

x/957=30/100

We did it where: x is the area of the rose covers, 957 is the amount of inches that the canvas takes up, and the right side of the equation is the percent.

Now cross multiply.

100x=28,710

Now divide both sides by 100.

x=287.1

The red rose covers 287.1 inches of the canvas.

6 0
3 years ago
Write a polynomial expression, in simplified form, that represents the AREA of the blanket and use the expression to evaluate th
pochemuha

Answer:

Polynomial expression that represents the area of blanket:

A(x)=(6x^2+5x-21)cm^2

If x=2: A(2)=13cm^2  

Step-by-step explanation:

The area of the rectangle can be calculated with the formula:

A=lw

Being l the lenght of the rectangle and w the width of the rectangle.

In this case, the lenght and the width are represented with:

l=(3x+7)cm

w=(2x-3)cm

Substitute them into  A=lw:

 A(x)=(3x+7)(2x-3)

Then:

Use Distributive property (Remember the Product of powers property: b^a*b^c=b^{(a+c)} ):

A(x)=(3x+7)(2x-3)\\A(x)=6x^2-9x+14x-21

Add like terms:

A(x)=(6x^2+5x-21)cm^2 (Simplied form)

Evaluate x=2:

A(2)=(6(2)^2+5(2)-21)cm^2\\A(2)=(6(4)+10-21)cm^2\\A(2)=(24-11)cm^2\\A(2)=13cm^2

6 0
3 years ago
Simplify:<br> 12 + (-38) + 27
DedPeter [7]

Answer:

12+(-38)+27= 1

Step-by-step explanation:

When a positive is multiplied by a negative, the sign becomes negative. Therefore, 12+(-38) becomes 12-38. So 12-38+27= 1.

6 0
3 years ago
Read 2 more answers
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