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2 years ago

A city is planning a new sports park. The total area (in square feet) of the park

Mathematics

1 answer:

Varvara68 [4.7K]2 years ago

7 0

Answer:

$7x^{2} +9x-8$ in square feet

Step-by-step explanation:

we have that

The total area of the park is ----> $9x^{2} +4x-5$

The area of the park designated for soccer fields is --> $2x^{2} -5x+3$

we know that

To find out the area of the park that is not designated for soccer fields, subtract the area of the park designated for soccer fields from the total area of the park

$9x^{2} +4x-5-(2x^{2} -5x+3)$

Remove the parenthesis

$9x^{2} +4x-5-2x^{2}+5x-3$

Combine like terms

$7x^{2} +9x-8$

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Write an equivalent expression for n x a using only addition

bulgar [2K]

Answer:

Equivalent expression for n x a = a+ a+a+a....n times

Step-by-step explanation:

Given: Expression for n x a .

To find : Write an equivalent expression for n x a using only addition.

Solution : We have given that n x a .

Here, we can say Sum of a is n times.

We can rewrite it n x a = a+ a+a+a....n times.

Example : 3 x 2 = 2 +2+ 2.

6 = 6 ( true)

Therefore , equivalent expression for n x a = a+ a+a+a....n times.

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2 years ago

Read 2 more answers

Use the data in the table to complete the sentence. x y –2 7 –1 6 0 5 1 4 The function has an average rate of change of ________

lora16 [44]

Answer: To find the average rate of change, evaluate the function at the given points.

Evaluate the difference of the function at the given points.

Divide the difference of the function at the given points with the difference of the given points.

Step-by-step explanation:

The Average of rate is -1.

Everytime it goes up by one the y goes down by 1 so it would be -1.

8 0

2 years ago

A discount of 16% saved Jackie $38 on office supplies. What was the price of the supplies before the discount?

zloy xaker [14]

16 % = 38

(16 × 6 = 96

16 / 4 = 4 so = 38/4 = 9.5)

100% = 38*5 + 9.5

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2 years ago

A right triangle has side lengths a, b, and c as shown below.

Musya8 [376]

Answer:

$\bold{\sin x = \frac{b}{c}}\bold{\\\cos x = \frac{a}{c}}\bold{\\\tan x = \frac{b}{a}}$

Step-by-step explanation:

Given that

A right triangle has side lengths a, b, and c

Because you did not attached photo of the right triangle so I will assume that:

Side a is the adjacent (A)
Side b is the opposite (O)
Side c is the hypotenuse (H)

(Please have a look at the attached photo)

To solve for the trigonometric functions of x, we need to recall the ratios they represent as shown below.

$\sin x = \frac{O}{H}\\\cos x = \frac{A}{H}\\\tan x = \frac{O}{A}$

EX: the sine of x is equal to the side opposite of angle x over the hypotenuse. Hence, we have the expressions of the trigonometric functions as shown below:

$\bold{\sin x = \frac{b}{c}}\bold{\\\cos x = \frac{a}{c}}\bold{\\\tan x = \frac{b}{a}}$

Hope it will find you well

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2 years ago

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guapka [62]

the answer is attached below

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2 years ago