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vichka [17]
3 years ago
5

Hurry please I'm timed.

Mathematics
1 answer:
mote1985 [20]3 years ago
7 0
The answer is A.

This is saying 5E-9/2E4, so it equals 2.5E-13.
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Part of the graph of the function f(x) = (x – 1)(x + 7) is shown below.Which statements about the function are true? Select thre
sertanlavr [38]

The statements about the function that are true are

  • The vertex of the function is at (–3,–16).
  • The graph is increasing on the interval x > –3.
  • The graph is positive only on the intervals where x < –7 and where x > 1.

<h3>How to interpret the graph?</h3>

The equation of the graph is given as

f(x) = (x - 1)(x + 7)

The graph of the function is added as an attachment

On the graph, we have

Vertex = (-3, -16)

This is so because the graph has a minimum point of (-3, -16)

Also, the graph crosses the x-axis at x = 1 and x = -7

This means that the graph is positive at x >1 and x >-7

Because the vertex is a minimum, the graph is increasing at the left of its symmetry i.e. x > -3

Read more about quadratic functions at

brainly.com/question/14933288

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7 0
1 year ago
which best explains whether a triangle with side lengths 2 in., 5 in., and 4 in. is an acute triangle?
sdas [7]

Answer:

Obtuse triangle.

Step-by-step explanation:

Side a = 5

Side b = 2

Side c = 4

Angle ∠A = 108.21° = 108°12'36" = 1.88862 rad

Angle ∠B = 22.332° = 22°19'54" = 0.38976 rad

Angle ∠C = 49.458° = 49°27'30" = 0.86321 rad

Since one angle is above 90 degrees, the triangle is obtuse triangle.

This cannot be an acute triangle.

6 0
3 years ago
Mary baked 3 pies. 1 for her father, 1 for her friend joe, and 1 for her coworkers. Combination, permutaion or niether?
lbvjy [14]
The answer is permutation. It is <span>the action of changing the arrangement, especially the linear order, of a set of items.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
</span>
6 0
3 years ago
You are buying hamburgers and french fries for lunch for you and your friends. It costs $3 for a hamburger and $2 for a basket o
quester [9]

Answer:

both

Step-by-step explanation:

$3x2=$6(for hamburgers) and $2x2=$4(basket of fries.)

6 0
3 years ago
Find common arithmetic sequence: -2, -1 4/5, -1 3/5, -1 2/5
Alisiya [41]
-2 , -14/5 , -13/5, -12/5 , -11/5

-2,   -2.8 ,   -2.6,  -2.4,     -2.2
5 0
3 years ago
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