All categories

3 years ago

Paloma used these steps to solve the equation 6x+5=3(2x+1). Which choice describes the meaning of her result, 2=0?

Mathematics

2 answers:

Lady_Fox [76]3 years ago

7 0

Answer:

No values of x make the equation true.

Sergio039 [100]3 years ago

3 0

Answer:

B. The result is not correct because Step 2 has an error.

Step-by-step explanation:

6x+5=3(2x+1) Distribute on the right side

6x+5=6x+3

-6x -6x Subtract 6x from both sides

5≠3 There is no solution because 5 doesn't equal 3

The reason Paloma's result is wrong is because you can't subtract 3 from 5 and set it equal to 0

Ex: 5-3 = 0 2 = 0

You might be interested in

Which of the following best describes the equation below? y = -8x - 3

pochemuha

Could we have a photo of the question please

3 0

3 years ago

A 20% solution of fertilizer is to be mixed with a 50% solution of fertilizer in order to get 180 gallons of a 40% solution. How

anyanavicka [17]

Answer: 60 gallons of the 20% solution and 120 gallons of the 50% solution should be mixed.

Step-by-step explanation:

Let x represent the number of gallons of 20% solution that should be mixed.

Let y represent the number of gallons of 50% solution that should be mixed.

A 20% solution of fertilizer is to be mixed with a 50% solution of fertilizer in order to get 180 gallons of a 40% solution. This means that

0.2x + 0.5y = 0.4×180

0.2x + 0.5y = 72- - - - - - - - - - - -1

Since the total number of gallons is 180, it means that

x + y = 180

Substituting x = 180 - y into equation 1, it becomes

0.2(180 - y) + 0.5y = 72

36 - 0.2y + 0.5y = 72

- 0.2y + 0.5y = 72 - 36

0.3y = 36

y = 36/0.3

y = 120

x = 180 - y = 180 - 120

x = 60

4 0

3 years ago

HELP ASAP PLEASE idjfjdjejf

gregori [183]

Answer: 35 apples are ripe and rest i.e 21 apples are not.

Step-by-step explanation:

5/8 of 56 apples are ripe i.e 35 apples are ripe and the rest 56-35 apples are not.

Mark me brainliest.

3 0

2 years ago

Read 2 more answers

Please help me with this and find x!! Thank you, only if you know!

scoray [572]

Answer:

x = 9.8

Step-by-step explanation:

to find x, use pythagorean theorem

$a^{2} = c^{2} - b^{2}$

$a^{2} = 14^{2} - 10^{2}$

$a^{2} = 196 - 100$

$a^{2} = 96$

$\sqrt{a^2} = \sqrt{96}$

$a = 9.7979$ ⇒ 9.8

7 0

2 years ago

Read 2 more answers

In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females and 12 of the juniors are males. If a st

Natasha_Volkova [10]

Answer:

P(a junior or a senior)=1

Step-by-step explanation:

The formula of the probability is given by:

$P(A)=\frac{n(A)}{N}$

Where P(A) is the probability of occurring an event A, n(A) is the number of favorable outcomes and N is the total number of outcomes.

In this case, N is the total number of the students of statistics class.

N=18+10=28

The probability of the union of two mutually exclusive events is given by:

$P(AUB)=P(A)+P(B)$

Therefore:

P(a junior or a senior) =P(a junior)+P(a senior)

Because a student is a junior or a senior, not both.

n(a junior)=18

n(a senior)=10

P(a junior)=18/28

P(a senior) = 10/28

P(a junior or a senior) = 18/28 + 10/28

Solving the sum of the fractions:

P(a junior or a senior) = 28/28 = 1

4 0

3 years ago