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jonny [76]
3 years ago
8

Daniels tennis racket is the same length as 21- foot rulers How many inches long is Daniels racket?

Mathematics
1 answer:
vlabodo [156]3 years ago
5 0

Answer:

21

Step-by-step explanation:

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Eight less than 1/3 a number n is -13
shutvik [7]
N(1/3)-8=-13 is the correct answer.
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What is the valye 62 ten and how do you figure
Lilit [14]
Well, if you mean 62 tens, then it would be 620, because when you have a number times 10, you just have to add 0 to the end of the number.
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A rectangle has a length, 3x+7, and a width of x+5. The area of the rectangle is 128 square inches. What is the length of the re
Nadusha1986 [10]
First, we know the formula for area is:
Area = Length* Width

Therefore, 128 = (3x+7)(x+5)

We can use the F.O.I.L method to multiply
- First: (3x *x )= 3x²
-Outer: (3x*5) = 15x
-Inner: (7*x) = 7x
-Last: (7*5) = 35

Now we add the sum → 3x² + 15x + 7x + 35 →  3x² + 22x + 35

3x²+ 22x + 35 = 128
3x²+ 22x -93 = 0

Now you have to factor to solve for the x value.
<span>(<span><span>3x</span>+31</span>)</span><span>(<span>x−3</span><span>)
</span></span>x = 3 & x = -31/3 

The negative value is eliminated because u can't have a negative length.

The length is 3x+7

L= 3(3) +7
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3 0
3 years ago
Which letters from the table represent like terms? A and B B and C A and D B and D.
xenn [34]

The letters can be added together if they have similar variables.

B and C are like terms. Option B shows the like terms of letters.

<h3>What is a binomial?</h3><h3></h3>

A mathematical expression consisting of two terms connected by a plus sign or minus sign is called the binomial expression.

The attachment shows the table of letters and variables.

To multiply binomials, a form of the distributive property is used.

The table has been complete with the final values of letters which are given below.

A= (-2x) \times 4x

A = -8x^2

B = 3 \times 4x

B = 12 x

C = (-2x)\times 1

C = -2x

D = 3\times 1

D = 3

From the final values of letters, B and C are the only like terms, they can be added together since they have similar variables.

Hence we can conclude that B and C are like terms. Option B shows the like terms of letters.

To know more about the binomials, follow the link given below.

brainly.com/question/3560614.

6 0
2 years ago
Which of the following expressions are equivalent to 2/x^4-y-^4 choose all that apply
Kaylis [27]

Answer:

B and D.

Step-by-step explanation:

B.  The numerator = 2*1 = 2 and x^4 - y^4 = (x^2 - y^2)(x^2 + y^2).

D .  (x^2)^2  - (y^2)^2 = x^4 - y^4.

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