MATHEMATICS HIGH SCHOOL

What is the length of BC?
A. 9 units
B. 11 units
C. 15 units
D. 16 units​
what is the length of BC? A. 9 units B. - 1

Answers

Answer 1
Answer:

Answer:

15units

Step-by-step explanation:

BC is: 5x=5×3=15 units. so,Length of BC=15 units

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What when multiplied is 5 but when added is -11

Answers

To get two numbers that when multiplied gives 5, and when added gives -11, the calculations are as follows:

Formulate 2 equations using the given information

1. xy = 5
2. x+y = -11

Substitute both equations, the answers are:

x = -10.525
y = -0.475

13 over 15 divided by 7 over 10 in simplest form

Answers

If you would like to write (13/15) / (7/10) in the simplest form, you can calculate this using the following steps:

(13/15) / (7/10) = (13/15) * (10/7) = (13 * 2) / (3 * 7) = 26/21 = 1 5/21

The correct result would be 26/21.

An is a letter or symbol that represents some unknown value

Answers

a placeholder represents an unknown value
A "placeholder", or a "valuable"/"variable" could be used to describe an unknown value.

1. The exponential function modeled below represents the number of squarekilometers of land occupied by cane toads x years after this animal was first
introduced into Australia,
Area Occupied by Cane Toads
Time
Area
1,200
(y)
(km)
1,100
1,000
0
36,500
900
5
53,600
800
700
10
78,800
600
15
115,780
500
20 170,120
400
25
250,000
300
200
30 367,300
100
539,700
0 5 10 15 20 25 30 35
Time (y)
Based on the data, which measurement is closest to the number of square
kilometers of land that will be occupied by cane toads 40 years after this
Area (thousands of km)
35
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Answers

Answer:

600,000 km²

Step-by-step explanation:

Using the exponential regression calculator : the regression fit obtained for the data is :

36510 * (1.08^x)

After 40 years ;

x = 40

Hence,

y = 36510 * 1.08^40

y = 36510 * 21.72452

y = 793,162.27 km

Hence, y is closest to 800,000 km

What is 15 - 1/6n = 1/6n - 1

Answers

15-1/6n=1/6n-1
15+1=1/6n+1/6n
16=1+1/6n
16=2/6n
16=1/3n
16*3/1=n
therefore, n=48.........

Answer:

n=48

Step-by-step explanation:

Find the least common multiple of x3 - x2 + x - 1 and x2 - 1. Write the answer in factored form.A. (x + 1)^2(x - 1)

Answers

(x^3-x^2+x-1)(x^2-1)

x^5-x^3-x^4+x^2+x^3-x-x^2+1

x^5-x^4-x+1

x^4(x-1)-(x-1)

(x^4-1)(x-1)
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