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2 years ago

Can someone pls help me solved this problem! I need help help can someone help me I will mark you as brainiest! But plz help me!

Mathematics

1 answer:

Vilka [71]2 years ago

5 0

Answer:

The number is less than 3.5

Step-by-step explanation:

Let us break up and convert each individual phrase into its equivalent in an equation.

"Three time" is $3*$

"The difference of a number and three" is (3-x)

"Is greater than" is >

"The number decreased by five" is (x-5)

We can now put all of these parts together to get our equation

$3*(3-x)>(x-5)$

Now, we can simplify this and solve for x

$3*(3-x)>(x-5)\\\\9-3x>x-5\\\\14>4x\\\\\frac{14}{4} >x\\\\\\frac{7}{2}>x\\\\x$

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② The complement of an angle. is 10 more than 3 times the angle. Find both

Mrac [35]

Let x be the angle. The complement is 3x + 10. The sum of two complementary angles is 90. So,
x + 3x + 10 = 90
4x + 10 = 90
4x = 80
x = 20
Plug x into the complement
3(20) + 10 = 70

The angle is 20 degrees and the complement is 70 degrees

4 0

2 years ago

Whats the answer to the problem Pls

choli [55]

Answer:

j=42

Step-by-step explanation:

since it's 7x larger you just have to multiple 6 by 7 to find j

6 0

2 years ago

Read 2 more answers

27. The diameter of a music CD is 12 centimeters. Find the circumference

atroni [7]

Diameter is 2 times the radius. Radius is 6.
Circumference is 2(pi)(radius)
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8 0

3 years ago

you borrow $5,860 from a bank you will have monthly payments of $205.10 for 3 years what percent will you pay back in interest o

disa [49]

Answer:

26%

Step-by-step explanation:

Your 36 monthly payments will total ...

36 × $205.10 = $7383.60

$5860 of that is the amount you borrowed. The remainder is the interest you pay:

$7383.60 -5860 = $1,523.60

As a percentage of the original loan amount this is ...

$1523.60/$5860 × 100% = 26%

You pay back 26% of the original loan amount in interest.

3 0

2 years ago

A set of data has a normal distribution with a mean of 5.1 and a standard deviation of 0.9. Find the percent of data between 4.2

Yuliya22 [10]

A set of data has a normal distribution with a mean of 5.1 and a standard deviation of 0.9. Find the percent of data between 4.2 and 5.1.

Answer: The correct option is B) about 34%

Proof:

We have to find $P(4.2$

To find $P(4.2$ , we need to use z score formula:

When x = 4.2, we have:

$z = \frac{x-\mu}{\sigma}$

$=\frac{4.2-5.1}{0.9}=\frac{-0.9}{0.9}=-1$

When x = 5.1, we have:

$z = \frac{x-\mu}{\sigma}$

$=\frac{5.1-5.1}{0.9}=0$

Therefore, we have to find $P(-1$

Using the standard normal table, we have:

$P(-1$ = $P(z$

$=0.50-0.1587$

$=0.3413$ or 34.13%

= 34% approximately

Therefore, the percent of data between 4.2 and 5.1 is about 34%

7 0

3 years ago