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dedylja [7]
2 years ago
10

Will mark brainly :)

Mathematics
1 answer:
WARRIOR [948]2 years ago
7 0

Answer:

If is positive, then the parabola opens upward, so the function decreases on and increases on . But if is negative, then just the reverse

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Identify the type of slope and then find the slope of the line.
Irina18 [472]

Answer:

  • -1/2, negative slope

Step-by-step explanation:

As per graph it is visible that the slope is negative, it goes down when x-value increases

<u>Use two points to find the slope:</u>

  • (-4, -1) and (0, -3)

<u>Slope formula:</u>

  • m = (y2 - y1)/(x2 - x1)

<u>Value of the slope:</u>

  • m = (-3 - (-1))/(0 - (-4)) = -2/4 = -1/2
4 0
3 years ago
Which exponential function has an initial value of 2?
rodikova [14]

A) f(x) = 2(3^x) is the answer

6 0
3 years ago
Read 2 more answers
Every 100 tons of the earth's crust contain about 28 tons of silicon. What is the ratio of the weight of silicon to the weight o
d1i1m1o1n [39]
<h3>Answer:</h3>
  1. 28/100 = 7/25
  2. 100/28 = 25/7
<h3>Explanation:</h3>

The wording "the ratio of A to B" means A/B.

Here, "the ratio of the weight of silicon to the weight of crust" means ...

... (28 tons)/(100 tons)

Canceling common factors (and common units), this is ...

... 28/100 = 7/25

___

Then "the ratio of the weight of crust to the weight of silicon" means ...

... (100 tons)/(28 tons) = 100/28 = 25/7

4 0
4 years ago
Someone plz help me, I need help with this so bad.
Schach [20]

Answer:

1. Corresponding Angles

2. Alternate Interior Angles

3. Alternate Exterior Angles

4. If <a=25 then <h will equal 25 because they are congruent

6 0
3 years ago
Read 2 more answers
What is the average rate of change for the line shown in the graph
kompoz [17]

Answer:

The average rate of change is 10.

Step-by-step explanation:

Since the average rate of change is the slope of a line, you'd solve this problem by finding the slope.

First, you can start by using the \frac{y_2-y_1}{x_2-x_1} method.

Plug in the points (0,10) and (1,20).

\frac{20-10}{1-0} =\frac{10}{1} =10

Therefore your answer is 10.

Hope this helped!

6 0
3 years ago
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