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
Zepler [3.9K]
2 years ago
7

I

Mathematics
1 answer:
ludmilkaskok [199]2 years ago
4 0

Answer:

9 blue marbles

Step-by-step explanation:

4 : 3 ratio

12 : x

12 / 4 = 3

4 × 3 : 3 × 3

12 : 9

You might be interested in
Which statement about the slope of the line is true?
givi [52]

Answer:

A

Step-by-step explanation:

sorry I don't kwon how to put it in, in explaination

3 0
3 years ago
4 less than a number is it the same as a number decreased by 4?
beks73 [17]
Yes it is the same thing ! :)
3 0
3 years ago
Round to the nearest hundred and solve a problem. 372,864+214,209=
Taya2010 [7]

Answer:587,073

Step-by-step explanation:

8 0
3 years ago
Tan^2x+sec^2x=1 for all values of x. <br> true or false?
amid [387]

This is not true.

\tan^2x+\sec^2x=\dfrac{\sin^2x}{\cos^2x}+\dfrac1{\cos^2x}=\dfrac{1-\cos^2x+1}{\cos^2x}=2\sec^2x-1

2\sec^2x-1=1\implies\sec^2x=1\implies\sec x=\pm1\implies x=n\pi

where is n is any integer. So suppose we pick some value of x other than these, say x=\dfrac\pi4. Then

\tan^2\dfrac\pi4+\sec^2\dfrac\pi4=1+2=3\neq1

5 0
3 years ago
Read 2 more answers
The length of a rectangle is three times its width of the perimeter of the rectangle is 40 yd find its length and width
schepotkina [342]

Answer:

Step-by-step explanation:

L= 3W

Perimeter = 2(l+w) = 40

 

2(3w+w) = 40

 

2*4w = 40

8w =40

w = 5

l = 3*5 = 15

3 0
2 years ago
Other questions:
  • Helppppppp pleaseeee
    9·2 answers
  • Predict: How do you think the formula for area of a triangle will relate to the formula for area of a rectangle? Do you
    15·1 answer
  • 4x2-6<br> If x = 3 then<br> has a value of what?<br> X
    7·1 answer
  • Use the roster method to list the elements in the set
    13·1 answer
  • How do you set up this problem? Your class sells boxes of oranges to raise $500 for a field trip. You earn $6.25 for each box of
    15·1 answer
  • What is the probability of you picking a weekend day from the days of the week?
    6·1 answer
  • How many solutions does 4(x-1)-x = 3(x+5)-11 have
    7·1 answer
  • Christine bought lunch 15 times at school this month and spent a total of $49.50. Each of her lunches cost an equal amount
    11·2 answers
  • Bentley took a ride on Rudolph’s back. At 8:00 pm, he counted 68 stars. At 10:00 pm, he counted twice as many stars. At 12:00 am
    15·2 answers
  • 2. A faucet for a 30-gallon bathtub fills at a rate of 3 gallons per minute.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!