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ivanzaharov [21]
3 years ago
7

The equations of two lines are:

Mathematics
1 answer:
Anit [1.1K]3 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

2x - y = 4

y = -2x + 8

-y = -2x + 4

y = -2x + 8

0 = -4x + 12

-4x = -12

x = 3

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The sum of two numbers is 369 the difference of those two numbers is 17 which answer choice shows both numbers
SVETLANKA909090 [29]

Answer:

(176, 193)

Step-by-step explanation:

Well you forgot to put in the choices, but:

The difference between the numbers is 17. Let's call the smaller number x and the bigger one y

(x + y) = 369

y = x + 17

(x + (x + 17)) = 369

2x + 17 = 369

2x = 352

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3 years ago
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The distance between two cities on a map is 4 - inches. The actual distance between the two cities is 24 miles.
Rudiy27

Answer

The scale factor is

Explanation

We have to ways to find the scale factor here:

1. Find the unit fraction from inches to miles; in other words, we need to divide the distance between the cities on the map (in inches) by the actual distance between the cities.

We can conclude that the scale factor is

2. Let  be the scale factor.

We know form our problem that 24 miles times the scale factor is equal 4 1/2 inches, so we can set up an equation an solve for :

Just like before, we can conclude that the scale factor is

B.

Answer

6 inches separate the cities on the map

Explanation

We know that our scale factor is 1/4 inch = 1 mile, so we can create a conversion factor to convert 24 miles to inches. Since we need to convert from miles to inches, the denominator of our conversion factor must be 1 mile so we can cancel miles out. Notice that we can also express 1/4 inch as 0.25 inch to simplify our calculations:

We can conclude that if the conversion factor is 1/4 inch = 1 mile, 6 inches separate the cities on the map.

Read more on Brainly.com - brainly.com/question/2707512#readmore

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3 years ago
What is the base width of a rectangular pyramid, if its length, height and volume are 7 cm, 4 cm, and 112 cm3 respectively?
sasho [114]

Answer:

b. 7 cm Yan pu Alam KO Sana tama

Step-by-step explanation:

Tama ba

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3 years ago
Simplify. (5x^3y^2+x^2-6x^2y^3) - (3x^2y^3-4y^3+7x^2)
Zanzabum

Answer:

Step-by-step explanation:

The initial expression is:

(5x^{3}y^{2}+x^{2}-6x^{2}y^{3})-(3x^{2}y^{3}-4y^{3}+7x^{2})

Using BEMDAS (Brackets - Exponents - Multiplication - Division - Addition -Subtraction), we first start with brackets:

5x^{3}y^{2}+x^{2}-6x^{2}y^{3}-3x^{2}y^{3}+4y^{3}-7x^{2}

Remember that if there is a negative sign, it will change the signs of the terms within the brackets.

Then, collecting like terms:

5x^{3}y^{2}-9x^{2}y^{3}+4y^{3}-6x^{2}

5 0
3 years ago
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