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Varvara68 [4.7K]
3 years ago
12

You want to make five-letter codes that use the letters A, F, E, R, and M without repeating any letter. What is the probability

that a randomly chosen code starts
with A?
Mathematics
2 answers:
Sophie [7]3 years ago
7 0

Answer:

Answer 0.20

Step-by-step explanation:

True [87]3 years ago
4 0
Number of all possibilities - 5!=120
number of codes starting with A - 4!=24

the probability is \frac{24}{120}=\frac{1}{5}
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What value of k will make this expression equal to 0? <br><br> b • 3.8 • 2.72 • (k – 4)
Verizon [17]

4-4=0

anything x 0=0

your answer is 4

Hope this helps!

3 0
3 years ago
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Anna drew a plan for a rectangular piece of material that she will use for a quilt vertices are (-1.2, -3.5), (-1.2,4.4), and (5
Gnom [1K]

Answer:

(5.5, -3.5)

Step-by-step explanation:

4 0
3 years ago
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A tree makes a shadow that is 14 ft long. Rachel is 6 ft tall. when she id standing near the tree, her shadow is 3.5 ft long. wh
ankoles [38]
The triangle that is formed from by connecting the shadow, the tree and the endpoints of each is a right triangle. The two triangles formed (by the tree and its shadow, and by Rachel and her shadow) are similar. In similar triangles, the corresponding sides are proportional. Thus, to give the numerical answer to this item,
                         length  of the tree/14 ft = 6 ft / 3.5 ft
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5 0
3 years ago
D
ss7ja [257]

The area of the <em>irregular</em> quadrilateral ABCD is equal to 234 square centimeters. (Correct choice: C)

<h3>What is the area of the quadrilateral?</h3>

Herein we have a description of an <em>irregular</em> quadrilateral, whose area must be determined by adding the areas of minor quadrilaterals and triangles that are part of it. The area is now determined:

A = 0.5 · (24 cm) · (7 cm) + 0.5 · (15 cm) · (20 cm)

A = 234 cm²

The area of the <em>irregular</em> quadrilateral ABCD is equal to 234 square centimeters. (Correct choice: C)

<h3>Remark</h3>

The picture with the quadrilateral is missing and is included as attachment.

To learn more on quadrilaterals: brainly.com/question/13805601

#SPJ1

5 0
2 years ago
Question 13 pls. Brainliest for the first answer
tankabanditka [31]

Answer: a child ticket costs $14.50

Step-by-step explanation:

x=children ticket

x+4.50=adult ticket

3 children and 2 adult

3x+2(x+4.50)=81.50

3x+2x+9.00=81.50

5x+9.00=81.50

5x+9.00-9.00=81.50-9.00

5x=72.50

5x/5=72.50/5

x=14.50

7 0
3 years ago
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