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Hunter-Best [27]
3 years ago
12

HELP

Mathematics
1 answer:
Monica [59]3 years ago
4 0

alligators:

 x = total number of alligators

n = number of years

x=20x1.25^n

crocodiles:

 y = total number of crocodiles

n = number of years

y=25+10n

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Which expression is equivalent to
Gennadij [26K]

Answer:

B

Step-by-step explanation:

Trust me on this one..

3 0
3 years ago
Use the data set below to answer questions 7 to 9
Mariana [72]
Range: 16 (20 - 4)

Median: 9 (average 8 and 10)

Mean: 9.5 (average all the numbers)
8 0
3 years ago
Please I need help ASAP<br>pls explain your answer ​
USPshnik [31]

Answer:

47.62 cm

Step-by-step explanation:

ABCD is a rhombus. Each side measures 15 cm.

m<A = 60°.

Here are some properties of a rhombus:

Opposite angles of a rhombus are congruent.

m<C = m<A = 60°

m<ADC = m<ABC

The sum of the measures of the interior angles of a quadrilateral is 360°.

The diagonals are perpendicular bisectors of each other.

m<A + m<C + m<ADC + m<ABC = 360°

60° + 60° + 2m<ADC = 360°

2m<ADC = 240°

m<ADC = 120°

Each diagonal of a rhombus bisects a pair of congruent, opposite angles.

m<ADB + m<CDB = m<ADC

m<ADB = m<CDB

m<ADB + m<ADB = 120°

m<ADB = 60°

Triangle ABD had two angles, <A and <ADB, that measure 60°. Therefore, the third angle, <ABD also measures 60°. That makes triangle ABD an equilateral triangle.

Draw segment AT.

T is the midpoint of BD. The segment AT is the perpendicular bisector of segment BD. Triangle ATD is a 30-60-90 triangle.

Using the ratio of the lengths of the sides of a 30-60-90 triangle, we can calculate the length of AT which is the radius of circle A.

TD : AT : AD

1    : √3 :   2

AD = 15 cm

TD = AD/2

AT = √3 × TD

AT = (AD√3)/2

AT = 7.5√3 = 12.99

AQ = 12.99

perimeter = QD + PB + m(arc)PTQ + BC + CD

perimeter = (15 - 12.99) + (15 - 12.99) + 60°/360° × 2π(12.99) + 15 + 15

perimeter = 47.62

Answer: perimeter = 47.62 cm

7 0
2 years ago
Brainliest to the best answer
Alborosie

Answer:

<u>1</u>

7

Is your answer dear .

Hope it helps you:)

6 0
3 years ago
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Which of the following is a polynomial function in factored form with zeros at –2, 5, and 8?
Usimov [2.4K]
(x + 2)(x - 5)(x - 8)
Substitute them into each other to get the whole equation)

7 0
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