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marissa [1.9K]
3 years ago
7

Which of the following technologies was a reason for t

Mathematics
2 answers:
Arturiano [62]3 years ago
6 0
Idyfhfhghhvhcuu hi bunch mjchfy
nikklg [1K]3 years ago
5 0

Answer:

D: Radio

Step-by-step explanation:

The radio was the main source of entertainment during the 1920's

(and i j got it right)

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What is the slope- intercept form of 4x+5y=20
True [87]

Answer:

y = -4/5x + 4

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

<u>Algebra I</u>

Standard Form: Ax + By = C

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

Standard Form:   4x + 5y = 20

<u>Step 2: Rewrite</u>

  1. Subtract 4x on both sides:                    5y = 20 - 4x
  2. Divide 5 on both sides:                          y = 4 - 4/5x
  3. Rearrange:                                              y = -4/5x + 4
5 0
3 years ago
PLZ HELP HELP WITH ALL PART REALLY NEED HELP WITH THIS!!
Shalnov [3]
First, you should graph the points. For the first number, called the X-Axis, you should to the right or left, and for the second number, called the Y-Axis, you should go up or down.

To find the distance between Point A and Point C, you should simply just count the number of intersections between them (4).

Angle B is a right angle because if the triangle is bisected at B, it will leave a right angle on either side. Therefore, to label it, you should simply just draw a line through Point B all of the way to line (A,C).

The type of triangle you have drawn is an isosceles, because it has 2 equal angles and 2 equal sides.

We know both of the sides that are unknown will be the same because the triangle is bilateral. Then, we can use the bisection we made earlier to solve for the unknown sides using Pythagorean Theorem. Since earlier, we know the entire bottom is 4, we know half of the bottom is 2. We can also see that the height of the triangle is 2. We then plug those numbers into the Pythagorean Theorem (A^2*B^2=C^2) which makes the value of C^2=16. We then take the square root of C^2 and 16 to see that both unknown sides are 4.   



3 0
3 years ago
Suppose that the population of a town Increases by 3% each year. the population of the town today is 25,000
jolli1 [7]

Answer:

The population of town after 1 year is 25,750  .

Step-by-step explanation:

Given as :

The rate of increase in the population of town each year = 3 %

The initial population of town = 25,000

Let the population of town after one year = x

So,

The population after n year = initial population × (1+\dfrac{\textrm rate}{100})^{\textrm n}

Or, The population after 1 year = 25,000 × (1+\dfrac{\textrm 3}{100})^{\textrm 1}

Or, The population after 1 year = 25,000 × (1.03)^{1}

Or,  The population after 1 year = 25,000 × 1.03

∴  The population after 1 year = 25,750

Hence The population of town after 1 year is 25,750  . Answer

3 0
3 years ago
How much larger is 0.30 than 0.3
Xelga [282]
They are both equal because in decimals you can add thousands of zeros and it's still equal.
4 0
3 years ago
Use the net to compute the surface area of the three-dimensional figure.
Vlada [557]
The answer is 246 units²

<span>Surface area= 2(lw + lh + wh)</span>
3 0
3 years ago
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