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Anettt [7]
2 years ago
5

Need help please answer this.

Mathematics
1 answer:
topjm [15]2 years ago
5 0

Answer:

Job A pays 4.75 more per hour than job B

Step-by-step explanation:

A= 70 per hour

B= 65.25 per hour

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If you get $0.75 everyday for 7 years and already have $4.35 (not counting leap years) how much money would you have at the end
Oksanka [162]

Step-by-step explanation:

7 years

leap years in 7 years:- 1

7 minus 1 equals to 6

6 calendar years to days:- 2190 days

so, $0.75 times 2190 = $1642.5

1642.5 plus $4.35 equals to 1646.85

7 0
3 years ago
The function f(x) = –x2 + 20x – 75 models the profit from one customer, in dollars, a shop makes for printing photos, where x is
trasher [3.6K]
The function is graphed as shown below

Part A:

We use the formula - \frac{b}{2a} to find the vertex of the function. A quadratic function of the form of a x^{2} +bx+c and equating this form to the given function - x^{2} +20x-75, we have
b=20 and a=-1.

Substituting a and b into the vertex formula, we have
x=- \frac{20}{2(-1)}=10, as shown in the graph

This calculation means that the highest profit is achieved when the number of photo printed equals to ten photos

Part B:

We can find solution to this equation by factorising

- x^{2} +20x-75=0
-( x^{2} -20x+75)=0
x^{2} -20x+75=0
(x-5)(x-15)=0
x=5 and x=15, as shown in the graph

The two values means that the company makes no profit when they either produce 5 or 15 photos

8 0
3 years ago
Find the missing angle
inna [77]

THEOREM:

  • Angle sum property —: The sum of interior angles of a triangle is 180°.

ANSWER:

Let the missing angle be x.

By angle sum property,

  • ∠x + 20° + 80° = 180°
  • ∠x + 100 = 180°
  • ∠x = 180° – 100°
  • ∠x = 80°

So, <u>Correct choice</u> - [C] 80°.

7 0
2 years ago
Read 2 more answers
Factor completely -5x 2 y + 10xy - 15xy 2
victus00 [196]

-5x^2 y + 10xy - 15xy^2

= -5xy(x - 2 + 3y)

8 0
2 years ago
Read 2 more answers
Find the distance between the two points (-4, -5) and (1, -2).
Sphinxa [80]

Answer:

B

Step-by-step explanation:

Calculate the distance d using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (- 4, - 5) and (x₂, y₂ ) = (1, - 2)

d = \sqrt{(1+4)^2+(-2+5)^2}

  = \sqrt{5^2+3^2}

  = \sqrt{25+9}

  = \sqrt{34} → B

5 0
3 years ago
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