a zoo has 19 more species of fish than birds. There are 152 species of fish at the zoo. How many species of birds does the zoo have/ COULD THE EQUATION BE b-19=152.

Answers

Answer 1

Answer: The equation would be 152 - 19 = X

X = 152 - 19

X = 133

There are 133 species of birds at the zoo

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Find the value of the variables for each set or similar figures
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The Math Club plans to pay a visitor $280 to speak at a fundraiser. Tickets will be sold for $7 each. Find an equation that gives the profit/loss for the event as it varies with the number of tickets sold. How many people must attend the event for the club to break even?

Write −(−2z − 5y) in simplified form.

Answers

This in simplified form is 5y+2z

Two angles are supplementary. The measure of the larger angle is 18 less than twice the measure of the smaller angle. Find the measure of the angles. Show your work.

Answers

Answer:

Smaller angle = 66 degrees

Larger angle = 114 degrees

Step-by-step explanation:

Smaller angle: x

Larger angle: 2x - 18

x + 2x - 18 = 180 degrees

3x = 180 + 18

x = 198/3

x = 66

180 - 66 = 114

Final answer:

The measure of the smaller angle is 66 degrees and the measure of the larger angle is 114 degrees.

Explanation:

Let's represent the measure of the smaller angle as x. According to the problem, the larger angle is 18 less than twice the measure of the smaller angle, so we can represent the larger angle as 2x - 18.

Since the two angles are supplementary, their sum is 180 degrees:

x + (2x - 18) = 180

Solving this equation, we get:

3x - 18 = 180

3x = 198

x = 66

Therefore, the measure of the smaller angle is 66 degrees and the measure of the larger angle is 2(66) - 18 = 114 degrees.

Learn more about Angles here:

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If x=2+√3,then find the value of x-1/x

Answers

A :-) x = 2+_/3
x-1/x = 1/2+_/3
( rationalize the denominator )
x-1/x = 1/2+_/3 x 2 -_/3/2 - _/3
[ ( a + b ) ( a - b ) = a^2 -b^2 ]
x-1/x = 2 - _/3/( 2 )^2 - ( _/3 )^2
x-1/x = 2 - _/3/4 - 3
x-1/x = 2 - _/3/1
x-1/x = 2 - _/3
x-1/x = ( 2+_/3 ) ( 2 - _/3 )
x -1/x = ( 2 )^2 - ( _/3 )^2
( x = 2+_/3 )
x-1/x = 4 - 3
x-1/x = 1

.:. The value of x-1/x is 1 .

What is the simplified form of square root 48n^9?

Answers

Answer:

$4n^4√(3n)$

Step-by-step explanation:

Use the exponent rules:

$\sqrt[n]{x^a} = x^{(a)/(n)}$

$\sqrt[n]{a^n} =a$

To find the simplified form of :

$√(48n^9)$

We can write 48 and $n^9$ as:

$48 = 4 \cdot 4 \cdot 3 = 4^2 \cdot 3$

$n^9 = (n^4)^2 \cdot n$

then;

$√(4^2 \cdot 3 \cdot (n^4)^2 \cdot n)$

Apply the exponent rule:

⇒ $4 \cdot n^4 \cdot √(3n)$

⇒ $4n^4√(3n)$

Therefore, the simplified form of square root 48n^9 is, $4n^4√(3n)$

$√(48n^9)=√(16n^8\cdot3n)=√(16n^8)\cdot√(3n)=4n^4√(3n)$

A phone store employee earns a salary of $450 per week plus 10% commission on her weekly sales.what function rule models the employers weekly earnings?

if the employee earned $570 in a week, what was the amount of her sales for that week?

Answers

Answer:

Weekly earning of employee, E(w) is given by 450+0.1w, where w is the weekly sales.

Weekly sales for that week = 1200 $

Step-by-step explanation:

A phone store employee earns a salary of $450 per week plus 10% commission on her weekly sales.

Let w be the weekly sales, the weekly earning of employee, E(w) is given by

$E(w)=450+(10)/(100)* w=450+0.1w$

Weekly earning of employee, E(w) is given by 450+0.1w, where w is the weekly sales.

Now we need to find what was the amount of her sales for that week, if she earned 570 $

That is

570 = 450+0.1w

0.1 w = 570 - 450 = 120

w = 1200 $

Weekly sales = 1200 $

If w = earnings that week, and s = sales, w - 450 = s/10, or 10(w - 450) = s, simplified as 10w - 4,500 = s If the employee made $570 in one week, then w = 570. 10(570) - 4,500 = s, simplified as 5,700 - 4,500 = s, simplified as 1,200 = s. So the employee made 1,200 sales that week.

The equation |p| = 2 represents the total number of points that can be earned or lost during one turn of a game. Which best describes how many points can be earned or lost during one turn?A. –2

B. 2

C. 0 or 2

D. –2 or 2

Answers

By basic definition, the absolute value of a number determines just how far that number is from 0 on the number line. Because of that, the absolute value can never be a negative number, because the positive or negative number will have the same distance.

In the case of |p| = 2, p can either be -2 or 2. Among the choices, the correct answer is D.

Answer:

–2 or 2

Step-by-step explanation:

answer in the picture

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