MATHEMATICS HIGH SCHOOL

What is the distance between (2,3) and (5,7)

Answers

Answer 1
Answer: This is the rule for any calculation of this type. Note that you can replace X(B) by X(A) and the same for Y because the answers are squared and you'll always get the same value

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Find the perimeter of thepolygon if ZB = ZD. 11.5 cm B D 12.5 cm 13.5 cm
Scott has $500 in the bank. He withdraws the same amount of money each week for 12 weeks, at which point he has $20 left in the bank. How much money did he withdraw each week?
Solve by elimination8x+9y=-55-8x+y=65

You added 3 3/4 cups of flour, 1 1/4 cups of oil, and 2 2/4 cups of water to a bowl for a recipe. How many cups did you combine in total?

Answers

3 3/4 + 1 1/4 + 2 2/4 

3/4 + 1/4 + 2/4 = 1 1/2

3 + 1 + 2 + 1 1/2 = 7 1/2 cups total

Find the sum of (–4 + i) and (10 – 5i).a. –3 + 5i

b. –3 - 5i

c. 6 – 4i

d. 6 – 6i

Answers

To add complex numbers, it is necessary to group the similar terms (real and real, then imaginary and imaginary) before simplifying. This will be done as follows:

(-4 + i) + (10 - 5i)

Grouping similar terms:
(-4 + 10) + (i - 5i)
6 - 4i

From the choices, the correct answer is C.

C on edgenutiy just took it

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
< PREVIOUS

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

When the lights go out at the store at night there's a 15% off sign hanging out by the make up counter what is a number as a decimal and a fraction in simplest form

Answers

Answer:

As per the given statement: when the lights go out at the store at night there's a 15% off sign hanging out by the make up counter.

To find the number as a decimal and a fraction in simplest form.

Given the Number = 15%.

If we convert any number from percent to decimal divide by 100 and remove the % sign.

(15)/(100) = 0.15

Then the given number in decimal is, 0.15

Now, to convert this percent into fraction;

(15)/(100)

Divide both numerator and denominator by 5 to get;

((15)/(5) )/((100)/(5) ) = (3)/(20)

Therefore, the given number in fraction is; (3)/(20)

The weekly sales of a magazine increased from 500,000 to 600,000. By what percentage did the magazine sales increase?

Answers

600,000-500,000=100,000\n\n(100,000)/(500,000)\cdot100\%=(1)/(5)\cdot100\%=20\%\leftarrow solution

You want to buy a house in 9 years. The estimated cost is $175,800.00. You want to make a 20% down payment and closing costs are 7%. How much in totality

Answers

Given:
buy a house in 9 years.
Estimated cost of the house = 175,800
down payment = 20%
closing cost = 7%

down payment:
175,800 x 20% = 35,160

closing cost:
175,800 x 7% = 12,306

Amount to save: 35,160 + 12,306 = 47,466

monthly savings:
9 years x 12 months = 108 months

47,466 / 108 = 439.50 savings per month.
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Five flowering plants are to be planted between two trees which are 12m apart. If the first tree is 2m away from the house, how far from the house is each of the plants?
On a certain day, the company took 92 people on whale watching trips. There were 40 children aged 12 and under, of which some children were under three years. If x represents the number of children under three years, which equation can be used to find the value of x, where C represents the total amount of money collected from tickets that day? (92 − x)36 + (92 − 40) ⋅ 48 = C (40 + x)36 + (92 − (40 + x)) ⋅ 48 = C (92 + x)36 + (92 − (40 + x)) ⋅ 48 = C (40 − x)36 + (92 − 40) ⋅ 48 = C