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4 years ago

Math experts only please help me

Mathematics

1 answer:

katovenus [111]4 years ago

6 0

The correct answer is A. 2cm
18 2cm
---- = ----
45 5cm

hope this helps

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Pratctice and Solving Solve each equation with variables on both sides 1. 6x - 2 = x + 13

IrinaK [193]

Answer:

x=3

Step-by-step explanation:

6x - 2 = x + 13

subtract 1x from both sides

5x - 2 = 13

isolate the 5x by adding 2 to both sides

5x = 15

finnaly devide both by 5

x = 3

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Find the coordinates of the midpoint of the segment whose endpoints are R(9, 3) and S(-1, -9).

amm1812

Answer:

$(4, -3 )$

General Formulas and Concepts:

Pre-Algebra I

Order of Operations: BPEMDAS

Algebra I

Midpoint Formula: $(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2} )$

Step-by-step explanation:

Step 1: Define

R (9, 3)

S (-1, -9)

Step 2: Find midpoint

Substitute: $(\frac{9-1}{2}, \frac{3-9}{2} )$
Subtract: $(\frac{8}{2}, \frac{-6}{2} )$
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4 0

3 years ago

Solve for x and y. Thank u so much!!

Setler79 [48]

Y is 45 x is 30 I think

7 0

3 years ago

Knife is 3 times cost of spoon 9 spoons and 12 knifes is £82.80 what is 1 knife

xenn [34]

Answer:

The cost of spoon is £1.84 and therefore the cost of one knife is £5.52.

Given :

A knife is 3 times the cost of the spoon.

9 spoons and 12 knives costs £82.80.

Solution :

This question is solve by creating a linear equation and linear equations are nothing but yet another subset of "equations".

Linear calculations that requires more than one variable can be done with the help of linear equations.

The standard form of a linear equation in one variable is ax + b = 0.

Now let x be the cost of spoon. Than the cost knife is 3x. It is given that 9 spoons and 12 knives costs £82.80.

Therefore the cost of 1 knife = 5.52

Step-by-step explanation: $1.84 x 3 = 5.52$

3 0

3 years ago