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3 years ago

9

is it just me or when u ask a question on this app no one answers it? Am I like shadowbanned or something I'm confused or is tha

t just a glitch?

2 answers:

shepuryov [24]3 years ago

6 0

You probably arent, people just probably dont know the answer or dont wanna answer!

trasher [3.6K]3 years ago

5 0

Probably just people don’t care, don’t know, or didnt see it cuz other questions are coming by

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Lindsay is 5 years younger than Mark. Seven years ago, the sum of their ages was 31.

Rashid [163]

Answer:

The present age of Mark is 25 years.

And present age of Lindsay is 20 years.

Step-by-step explanation:

Let us assume:

The present age of Lindsay = l

The present age of Mark = m

⇒ Age of Lindsay seven years ago = (l -7) years

and Age of Mark seven years ago = (m -7) years

According to question:

Lindsay is 5 years younger than Mark ⇒ l = m - 5

Seven years ago, the sum of their ages was 31 ⇒ (l-7) + (m -7) = 31

So, the given set of equation are:

l = m - 5 ......... (1)

(l-7) + (m -7) = 31

⇒ ((m - 5) -7) + (m -7) = 32 (from (1)

or, m -12 + m - 7 = 31

or, 2m = 31 + 19 = 50

⇒ m = 50 / 2 = 25, or m = 25

Hence,the present age of Mark = 25 years

So,the present age of Lindsay = 25 - 5 = 20 years

7 0

3 years ago

A T.V was bought for N1,250 and sold for N1,000. Find the percentage loss?

Troyanec [42]

Answer:

20%

Step-by-step explanation:

1000/1250=0.8

1000 is 80% of the original price

therefore the percentage loss is 20%

6 0

3 years ago

Read 2 more answers

What's the value of the 7 in the number 53.75 give the answer as a fraction

Leona [35]

Answer:

The value of 7 in the number 53.75 is 7/10 and this can be determined by using the arithmetic operations.

Step-by-step explanation:

Given :

Number -- 53.75

The following steps can be used in order to determine the value of 7 in the number 53.75:

Step 1 - Write the given number.

= 53.75

Step 2 - Determine the value of 7 in the above number that is:

= 0.7

Step 3 - Rewrite the value obtained above in the fraction formate.

= 7/10

So, the value of 7 in the number 53.75 is 7/10.

4 0

3 years ago

Solve the following system of equations by graphing. Then determine whether the system is consistent or inconsistent and whether

Olenka [21]

Recall that the slope-intercept form of the equations of a line is:

$y=mx+b\text{.}$

Taking both equations to their slope-intercept form we get:

$\begin{gathered} 6x+6y-6x=-30-6x, \\ 6y=-30-6x, \\ \frac{6y}{6}=-\frac{30}{6}-\frac{6}{6}x, \\ y=-x-5\text{.} \end{gathered}$ $\begin{gathered} 3x+3y-3x=-15-3x, \\ 3y=-15-3x, \\ \frac{3y}{3}=-\frac{15}{3}-\frac{3}{3}x, \\ y=-x-5. \end{gathered}$

Notice that both equations are the same, therefore the system has infinitely many solutions, therefore it is consistent and dependent.

Answer:

Equations:

$\begin{gathered} y=(-1)x+(-5), \\ y=(-1)x+(-5)\text{.} \end{gathered}$

The system is consistent and dependent.

A solution to the system is (0,-5).

7 0

1 year ago

Daniel is looking over some data regarding the temperatures of countries and how the temperature relates to the number of mosqui

Doss [256]

The logarithmic function when the temperature is 64 degrees is given as
ln f(x) = x ln 2.

<h3>What is a logarithmic function?</h3>

A logarithmic function is the inverse of an exponential function. It is to be noted that all exponential functions can be written as logarithmic functions.

Hence, to convert the mathematical statement above into a logarithmic function we say:

f(x) = 2ˣ

ln f(x) = ln 2ˣ

ln f(x) = x ln 2

Ln 64 = x Ln 2

Let f(x) = 64;

Hence,

Ln 64 = x ln 2

Divide both sides by ln 2 to get x

ln 64/ln 2 = x

Hence,

x = ln 64/ln 2

= 6

Learn more about Logarithmic Functions at:
brainly.com/question/1695836

#SPJ1

7 0

2 years ago