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Nonamiya [84]
2 years ago
15

Determine the y-intercept of the collowing question: (x+4)(x-5)=y ​

Mathematics
2 answers:
Vlad [161]2 years ago
8 0

Answer:

y-int= -4

y-int= 5

sergeinik [125]2 years ago
7 0

y intercept is the point where x = 0.

y = (0+4)(0-5)  = 4\cdot(-5) = -20

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Ruby red paint costs $0.50 per square inch. A ball is painted ruby red and costs $100.00 to paint. What is the diameter of the b
8090 [49]
The diameter can be obtained by the formula A = pi*r^2

First, multiply 0.50 * 100 to obtain the area of the ball, then simplify and solve for the radius. Doubling the radius would yield the diameter. This is shown below:

Area of the ball = 0.50 * 100 = 50 in^2
<span>A = pi*r^2
</span>50 = (3.14)*r^2
r = 3.99 = approx. 4
diameter = 2r
Diameter = 8 inches.

Among the choices, the correct answer is C. 8.0 in. 

6 0
3 years ago
Read 2 more answers
25% of what nember is 19
attashe74 [19]
You would do 0.25x (x is the unknown total number)=19. It is because of is a multiply sign, so 0.25*x=19. Divide both sides by 0.25 and you get 76 as your answer.
6 0
3 years ago
Read 2 more answers
1. Oblicz:
dem82 [27]

Step-by-step explanation:

1. Oblicz:

a) Liczbę o 15% mniejszą od 60

b) Liczbę, której 15% stanowi 60

c) Jakim procentem 60 jest 15

d) O ile %większa jest 60 od 15

2. Kasia kupiła buty na wyprzedaży przecenione o 20%. Ich cena początkowa to 180 zł. W domu sprzedała je siostrze zarabiając na tym 10% wartości. Ile zapłaciła Kasi siostra za buty?

3. Liczba, którą powiększymy o 20% daje nam 30. Jaka to była liczba?

4. Za dwie książki zapłacono 42 zł. Ile kosztuje droższa z nich, jeżeli jedna jest o 25 % tańsza od drugiej?

5 0
2 years ago
If the ordered pairs (x, -1) and (5, y) belong to the set {(a, b): b = 2a-3}, find x and y.​
Anika [276]
The ordered pair is 5x|x| ^2
7 0
1 year ago
2.1.28
gulaghasi [49]

Answer:

Binomial, degree two

Step-by-step explanation:

It has only two x terms and the degree is determined by either the degree or power of the first variable or the highest power/degree in the whole expression

8 0
3 years ago
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