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2 years ago

The larger of two numbers is 10 less than 5 times the smaller.their sum is 146 .find the smaller number

Mathematics

1 answer:

ExtremeBDS [4]2 years ago

5 0

For this problem, you would have to use a system of equations. Hope this helps!

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Solve the following system of equations using the substitution method.

BartSMP [9]

Answer:

Step-by-step explanation:

First label the equations.

6x +3y= 18 -----(1)

y= -2x +5 -----(2)

subst. (2) into (1):

6x +3(-2x +5)= 18

6x +3(-2x) +3(5)= 18 (expand)

6x -6x +15= 18

15= 18 (simplify)

(reject)

There is no solution.

Further explanation:

If I rewrite the first equation into the form of y=mx+c, I would get

6x +3y=18

3y= 18 -6x (bring y term to one side)

y= 6- 2x (÷3 throughout)

y= -2x +6

Notice that the gradients of both lines are equal ( -2). This implies that they are parallel to each other and will never meet. Hence there are no solutions.

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2 years ago

2х + Зу = 5 Зу = 5 – 2х I have to solve it algebraically

pogonyaev

There is no solution

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2 years ago

Box A contains 2 red and 2 green balls and box B contains 1 red and 2 green balls. A box is selected at random and then a ball i

serious [3.7K]

The answer is 1/2. I think that since the question is about Box B , only boxes will be taken into consideration. Since the total number of boxes are two and box b is one ,the probability of the box being B is 1/2.

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2 years ago

PLEASE HELP ME! What percent of the model is shaded

Scilla [17]

The answer is C.) 60%

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2 years ago

Solve the inequality -8r < 32. 8x < 32 on both sides. the inequality.

Basile [38]

Answer:

r > -4

x < 4

Step-by-step explanation:

-8r < 32

r > -4

8x < 32

x < 4

7 0

1 year ago