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meriva
3 years ago
6

Please help me! i have no idea how to do this.

Mathematics
1 answer:
Sauron [17]3 years ago
4 0
20:30 so it becomes 2:3 as a fraction it would be 2/3. a fraction is basically a ratio.
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Determine the domain of the function f(x)=1/3x^2+10x+8
cricket20 [7]
The function is
f(x) = (1/3)x² + 10x + 8

Write the function in standard form for a parabola.
f(x) = (1/3)[x² + 30x] + 8
      = (1/3)[ (x+15)²- 225] + 8
      = (1/3)(x+15)² -75 + 8
f(x) = (1/3)(x+15)² - 67

This is a parabola with vertex at (-15, -67).
The axis of symmetry is x = -15
The curve opens upward because the coefficient of x² is positive.
As x -> - ∞, f -> +∞.
As x -> +∞, f -> +∞
The domain is all real values of x (see the graph below).

Answer: The domain is (-∞, ∞)

8 0
3 years ago
What is the solution to<br> a&gt;-16?
Anna11 [10]

Answer:

that is the solution

Step-by-step explanation:

it cannot be simplified

8 0
3 years ago
What is 788.48 plus 7% rounded to the nearest cent
AveGali [126]

Answer:

$843.67

Step-by-step explanation:

1% = 7.8848

7.8848 x 7 = 55.1936

788.48 + 55.1936 = 843.6736

Rounded to nearest cent = $843.67

7 0
3 years ago
Read 2 more answers
Use technology or a z-score table to answer the question.
Romashka-Z-Leto [24]
121 of the green beans will be shorter than 13 centimeters.

First, we need to evaluate the expression below to find the z-score.
(13 - 11.2) / 2.1. = 0.86

The matching percent for this z-score is 0.8051.

Multiplying 0.8051 by 150 gives us about 121 green beans.
7 0
3 years ago
(2²)3 - (10 – 6)² . 4-5=​
Nostrana [21]

Answer:

-4

Step-by-step explanation:

(2^2)3 - (10 - 6) ^2 x 4 - 5 =

(4)3 - (4)^2 x 1 =

12 - 16 x 1 =

- 4 x 1 = -4

6 0
3 years ago
Read 2 more answers
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