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
sasho [114]
3 years ago
9

There are 15 girls and 12 boys in a class what is the ratio of girls to boys write the answer in word notation

Mathematics
2 answers:
diamong [38]3 years ago
5 0
15:12 is the answer please tell me if I am wrong
poizon [28]3 years ago
4 0
15 to 12 is the ratio
You might be interested in
Find four consecutive even integers such that the sum of the second and fourth and integer is one half times the sum of the firs
Artyom0805 [142]
Okay lets create an eqn from that information

A first int, B second int, C third int, D fourth int.

B = A + 2
C = A + 4
D = A + 6
A is the smallest integer

B + D = 0.5 (A + C) 

Now lets substitute

(A + 2) + (A + 6) = 0.5(A + (A + 4))
now lets dist

2a + 8 = 0.5(2a +4)
2a + 8 = a + 2
a + 8 = 2
a = -6

B = -6 +2
B = -4
C = -6 + 4
C = -2
D = -6 + 6
D = 0

Now using B + D = 0.5(A + C)
-4 + 0 = 0.5(-6 + (-2))
-4 = 0.5 (-8)
-4 = -4

Correct 
Therefore, First integer is -6, second integer is -4, third integer is -2 and fourth integer is 0
8 0
3 years ago
What is b’c the length of bc after dilation? What is the measure of
Anastasy [175]

Answer:

C

Step-by-step explanation:

the angle will always stay the same, it won't change

but if the dialation is 1/2, then that means that the sides will decrease in size compared to the original length,

(just divide by 2) on each side length to get the answer

4 0
3 years ago
Dan wants to drink 4 gallons of water of water over 5 days. if he finished 13 quarts of water after day 4, how many more quarts
Alexandra [31]
Dan needs to drink 3 more quarts of water
7 0
3 years ago
Jika garis 4x+ay = 8 dan ay=9x + 5 saling tegak lurus,maka nilai a
barxatty [35]

We are given equations as

4x+ay=8

Firstly, we will write in slope intercept form of line

y=mx+b

4x+ay=8

Subtract both sides by 4x

4x+ay-4x=-4x+8

ay=-4x+8

now, we can divide both sides by a

y=-\frac{4}{a} x+\frac{8}{a}

we can find slope

so, we get

m_1=-\frac{4}{a}

we are given second equation as

ay=9x+5

Firstly, we will write in slope intercept form of line

y=mx+b

divide both sides by a

y=\frac{9}{a} +\frac{5}{a}

we can find slope

m_2=\frac{9}{a}

we are given both lines are perpendicular

so, the multiplication of their slopes must  be -1

m_1\times m_2=-1

we can plug values

-\frac{4}{a}\times \frac{9}{a}=-1

now, we can solve for a

\frac{36}{a^2}=-1

Multiply both sides by a

\frac{36}{a^2}\times a^2=1\times a^2

36= a^2

now, we can solve for a

we get

a=-6,a=6...............Answer

4 0
3 years ago
What is 89 add 78<br><br><br><br>first ti answer wins brainleast
Alex777 [14]

89+78=167

Hope this helps

-Moiselle

3 0
2 years ago
Read 2 more answers
Other questions:
  • What is the determinant of the coefficient matrix of the system 0x+0y-0z=3 0x+0y+0z=-1 0x+0y+0z=18
    5·1 answer
  • This number was rounded to the nearest hundred thousand. List the possible digits that could go in the ten thousands place to ma
    15·2 answers
  • What is the recursive formula for this arithmetic sequence?<br> -4,3,10,17,...
    14·2 answers
  • Which type of graph is MOST appropriate for making comparisons among data?
    15·2 answers
  • A millimeter is 0.001 of a meter how many millimeters are there in 7 meters
    5·2 answers
  • A circle with radius of 2 cm 2cmstart color greenD, 2, space, c, m, end color greenD sits inside a circle with radius of 4 cm 4c
    8·1 answer
  • What is the sum of (x - 8) - (2x + 2)
    7·2 answers
  • Help guys show your solution and answer the question​
    15·1 answer
  • The end of a minute hand on a clock is 5.5 inches from the center. How far will the minute hand travel over three days
    11·1 answer
  • Simplify please <br> √20y³z²
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!