All categories

2 years ago

How many solutions does –10m − 3 = –3 − 10m have

Mathematics

2 answers:

Crazy boy [7]2 years ago

7 0

Answer:

Infinite number of solutions

Step-by-step explanation:

The two expressions are actually equal to each other. When two functions are equal to each other, they will have infinite number of solutions.

Montano1993 [528]2 years ago

7 0

Answer:

infinite number of solutions

Step-by-step explanation:

-10m - 3 = -3 - 10m

add 3 to each side

-10m = -10m

any value substituted in for 'm' will make the equation true

You might be interested in

Solve the inequality for x: -3(2x+5) < -45

balandron [24]

Answer:

x>5

Step-by-step explanation:

-3(2x+5)<-45

2x+5<-45/-3

2x+5<15

2x<15-5

2x<10

x<10/2

x<5

x>5

7 0

3 years ago

Give the answer to the question below.

alexira [117]

Answer:

1/4 assuming x is not 0

Step-by-step explanation:

x^0 is 1 and 1/4 * 1 = 1/4

4 0

3 years ago

A limnologist wishes to estimate the mean phosphate content per unit volume of lake water. It is knownfrom studies in previous y

telo118 [61]

Answer: 68

Step-by-step explanation:

As per given , we have

Population standard deviation : $\sigma=4$

Critical value for 90% confidence interval = $z_{\alpha/2}=1.645$

Margin of error : E= 0.8 milligrams

The formula to find the sample size is given by :-

$n=(\dfrac{z_{\alpha/2}\ \sigma}{E})^2$

i.e. $n=(\dfrac{(1.645)(4)}{0.8})^2=(8.225)^2$

$=67.650625\approx68$

Hence, the limnologist must analyze 68 samples.

6 0

3 years ago

A car that originally cost $20,000 depreciates by 15% each year in about how many years will be car be worth half its value use

DENIUS [597]

0.5=0.85^x taking the natural log of both sides...

ln0.5=x ln0.85

x=ln0.5/(ln0.85)

x≈4.265

Then:

f=20000(0.85)^(4.265)

f=$10000.00 to nearest dollar

6 0

2 years ago

Which statement is true about the data set?

lisabon 2012 [21]

G is correct.
(12+34+27+27+36+42+15+28+32+47+30):11=30
The mean is 30.

5 0

2 years ago