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2 years ago

PLEASE HELP quick ………

Mathematics

1 answer:

Anit [1.1K]2 years ago

7 0

Answer:

Step-by-step explanation:

1/2 x base x height

In this problem: (It's times 2 because I split it up into 2 triangles.)

1/2 x 10 x 5 x 2 =

hope this helps

have a good day

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A gardener has 140 feet of fencing to put around a rectangular vegetable garden. The function A(w)= 70w - w^2 gives the garden's

Alexus [3.1K]

The largest area that can be enclosed will be that of a square (140 ft)/4 = 35 ft on a side. Such a square has an area of (35 ft)² = 1225 ft², not enough for the garden to be 1300 ft². This tells us the solution to the equation you're being asked to write is non-real.

_____

Putting the given numbers in the area equation, you have

... 1300 = 70w -w²

Multiplying by -1 and completing the square, we have

... w² -70w +35² = -1300 +35²

... (w -35)² = 1225 -1300 = -75

Taking the square root shows us the solution is non-real.

... w - 35 = ±√(-75) = ±5i√3

... w = 35 ± 5i√3 . . . . . . . . . after adding 35. These are complex solutions.

5 0

4 years ago

Can someone please help. I don’t know how to do it.

ira [324]

Answer:

152 m^2

Step-by-step explanation:

Find the area of the triangle and subtract it from the area of the square

area of half-triangle = 1/2 x base x height = 1/2 x 8 x 13 = 52

since that's for half of the triangle we times it by 2 to get the whole triangle so 104.

area of the square = 16 x 16 = 256

area of shades region = 256 - 104 = 152 m^2

4 0

4 years ago

Can’t figure number one and two out;(

Naily [24]

Answer:

Step-by-step explanation:

If the form is only allow in $\frac{a}{b}$ , then B is the only correct form.

Otherwise, A would be correct as well.

4 0

3 years ago

Can somebody break this down step by step ?

Shtirlitz [24]

Answer:

yupe

Step-by-step explanation:

6 0

3 years ago

Consider the expressions below. for each expression below, select the letter that corresponds to the equivalent expression given

Karo-lina-s [1.5K]

The considerations of expressions for each expressions are shown below.

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

An expression in mathematics is a combination of numbers, variables, and functions (such as addition, subtraction, multiplication or division, etc.)
Expressions and phrases are similar in structure.
In English, a phrase may involve action on its own, but it does not constitute a whole sentence.

To consider the expressions:

Part 1:

(x²+15x+65)+(2x-5)*(3x+8)
(x²+15x+65)+(6x²+16x-15x-40)
(7x²+16x+25)

The answer to Part 1 is the letter B,

(7x²+16x+25)

Part 2:

(4x+1)*(3x-4)-(5x²-10x-12)
(4x+1)*(3x-4)-(5x²-10x-12)
(12x²-16x+3x-4)-(5x²-10x-12)
(7x²-3x+8)

The answer to Part 2 is the letter D,

(7x²-3x+8)

Part 3:

(8x²+19x+4)+(3x+2)*(x-5)
(8x²+19x+4)+(3x²-15x+2x-10)
(11x²+6x-6)

The answer to part 3 is the letter A,

(11x²+6x-6)

Part 4:

(6x+1)*(3x-7)-(7x²-34x-20)
(18x²-42x+3x-7)-(7x²-34x-20)
(11x²-5x+13)

The answer to part 4 is the letter C,

(11x²-5x+13)

Therefore, the considerations of expressions for each expression are shown.

Know more about expressions here:

brainly.com/question/24734894

#SPJ4

The complete question is given below:
For each expression below, select the letter that corresponds to the equivalent expression given above.

5 0

2 years ago