1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mr_godi [17]
3 years ago
12

Is a D a failing grade?

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
6 0

Answer:

Yes anything under a C

Step-by-step explanation:

You might be interested in
Increase 400 by 37%
pantera1 [17]
400*.37=148
400+148=548
4 0
2 years ago
Read 2 more answers
Find the value of i^9
Tcecarenko [31]

Answer:

The answer is i (i^9)

Step-by-step explanation:

6 0
2 years ago
Determine the gradient of the straight line 2x-3y+9=0. Find the equation of the straight line through the origin which is perpen
frutty [35]

Answer: 3

x

−

2

y

−

15

=

0

Explanation:

We know that,

the slope of the line  

a

x

+

b

y

+

c

=

0

is  

m

=

−

a

b

∴

The slope of the line  

2

x

+

3

y

=

9

is  

m

1

=

−

2

3

∴

The slope of the line perpendicular to  

2

x

+

3

y

=

9

is  

m

2

=

−

1

m

1

=

−

1

−

2

3

=

3

2

.

Hence,the equn.of line passing through  

(

3

,

−

3

)

and

m

2

=

3

2

is

y

−

(

−

3

)

=

3

2

(

x

−

3

)

y

+

3

=

3

2

(

x

−

3

)

⇒

2

y

+

6

=

3

x

−

9

⇒

3

x

−

2

y

−

15

=

0

Note:

The equn.of line passing through  

A

(

x

1

,

y

1

)

and

with slope

m

is

y

−

y

1

=

m

(

x

−

x

1

)3

x

−

2

y

−

15

=

0

Explanation:

We know that,

the slope of the line  

a

x

+

b

y

+

c

=

0

is  

m

=

−

a

b

∴

The slope of the line  

2

x

+

3

y

=

9

is  

m

1

=

−

2

3

∴

The slope of the line perpendicular to  

2

x

+

3

y

=

9

is  

m

2

=

−

1

m

1

=

−

1

−

2

3

=

3

2

.

Hence,the equn.of line passing through  

(

3

,

−

3

)

and

m

2

=

3

2

is

y

−

(

−

3

)

=

3

2

(

x

−

3

)

y

+

3

=

3

2

(

x

−

3

)

⇒

2

y

+

6

=

3

x

−

9

⇒

3

x

−

2

y

−

15

=

0

Note:

The equn.of line passing through  

A

(

x

1

,

y

1

)

and

with slope

m

is

y

−

y

1

=

m

(

x

−

Explanation:

the equation of a line in  

slope-intercept form

is.

∙

x

y

=

m

x

+

b

where m is the slope and b the y-intercept

rearrange  

2

x

+

3

y

=

9

into this form

⇒

3

y

=

−

2

x

+

9

⇒

y

=

−

2

3

x

+

3

←

in slope-intercept form

with slope m  

=

−

2

3

Given a line with slope then the slope of a line

perpendicular to it is

∙

x

m

perpendicular

=

−

1

m

⇒

m

perpendicular

=

−

1

−

2

3

=

3

2

⇒

y

=

3

2

x

+

b

←

is the partial equation

to find b substitute  

(

3

,

−

3

)

into the partial equation

−

3

=

9

2

+

b

⇒

b

=

−

6

2

−

9

2

=

−

15

2

⇒

y

=

3

2

x

−

15

2

←

equation of perpendicular lineExplanation:

the equation of a line in  

slope-intercept form

is.

∙

x

y

=

m

x

+

b

where m is the slope and b the y-intercept

rearrange  

2

x

+

3

y

=

9

into this form

⇒

3

y

=

−

2

x

+

9

⇒

y

=

−

2

3

x

+

3

←

in slope-intercept form

with slope m  

=

−

2

3

Given a line with slope then the slope of a line

perpendicular to it is

∙

x

m

perpendicular

=

−

1

m

⇒

m

perpendicular

=

−

1

−

2

3

=

3

2

⇒

y

=

3

2

x

+

b

←

is the partial equation

to find b substitute  

(

3

,

−

3

)

into the partial equation

−

3

=

9

2

+

b

⇒

b

=

−

6

2

−

9

2

=

−

15

2

⇒

y

=

3

2

x

−

15

2

←

equation of perpendicular line

7 0
3 years ago
Read 2 more answers
The minimum size of a photo book ordered through a website is 6 pages. The website charges $1.70 per page for the first 6 pages.
m_a_m_a [10]
Well Okay, 1.70 x 6 + .90x, Your pretty much taking 1.70 multiply by 6 then adding .90 for every page after.
6 0
2 years ago
The expanded form 900,000 + 40,000 + 300 + 1 represents the whole number.
AleksandrR [38]
900,000+40,000+300+1= 940,301.. The answer is D.)
4 0
3 years ago
Read 2 more answers
Other questions:
  • Anyone know the answers?? Please help?
    7·1 answer
  • What is the following product? 3sqrt4 * sqrt3
    11·1 answer
  • Why does multiply numbers by 10 move the decimal point to the right but multiplying by 0.10 move the decimal point to the left
    14·2 answers
  • The decimal 104.3 became 1,043 when multiplied by 10. The same number becomes 10.43 when multiplied by 0.10. Explain why
    11·1 answer
  • During a sale, $2 bars of soap were sold at the rate of 3 for 5$. how much is saved on the 9 bars
    14·2 answers
  • Can you guys please help me !!!!!!!!! Thanks in advanced
    7·1 answer
  • Points (3, 2) and (7, 2) are on the graphs of both quadratic functions f and g. The graph of f opens downward, and the graph of
    9·1 answer
  • Which number is composite? (9,5,11,2)​
    10·2 answers
  • Find the commission. Earning Commission Sales Commision Rate is 7% The sales $450 The commission is $
    14·1 answer
  • A ride-sharing company charges a pick-up fee of $3.50 plus a charge of $4.00 per mile. Write an equation that represents the sit
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!