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
Romashka-Z-Leto [24]
3 years ago
12

Three-fifths of the students are girls. One-third of the girls have blond hair. One-half of the boys have brown hair. A:what fra

ction of all the students are girls with blond hair?

Mathematics
1 answer:
jeka943 years ago
5 0
The answer is 1/5 of the students are blond girls, since 1/3 of 3/5 is 1/5. 
Divide 3/5 by 3, which is 1/5. 
Hope this helps!
You might be interested in
Given the points (10,-9) and (3, 5) find the slope.
BartSMP [9]

Answer:

the slope is -2/1

Step-by-step explanation:

(10,-9) and (3,5)

y2-y1/ x2-x1

5-(-9)/3-10

14/-7

3 0
3 years ago
Suppose you want to build a small walkway around your garden so that there is someplace to walk around and work on your vegetabl
wolverine [178]

Answer:

Approximately 3.5 feet - Option B

Step-by-step explanation:

Imagine that you have this walkway around the garden, with dimensions 30 by 20 feet. This walkway has a difference of x feet between it's length, and say the dimension 30 feet. In fact it has a difference of x along both dimensions - on either ends. Therefore, the increases length and width should be 30 + 2x, and 20 + 2x, which is with respect to an increases area of 1,000 square feet.

( 30 + 2x ) * ( 20 + 2x ) = 1000 - Expand "( 30 + 2x ) * ( 20 + 2x )"

600 + 100x + 4x^2 = 1000 - Subtract 1000 on either side, making on side = 0

4x^2 + 100x - 400 = 0 - Take the "quadratic equation formula"  

( Quadratic Equation is as follows ) - x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a},

x=\frac{-100+\sqrt{100^2-4\cdot \:4\left(-400\right)}}{2\cdot \:4}:\quad \frac{5\left(\sqrt{41}-5\right)}{2},

x=\frac{-100-\sqrt{100^2-4\cdot \:4\left(-400\right)}}{2\cdot \:4}:\quad -\frac{5\left(5+\sqrt{41}\right)}{2}

There can't be a negative width of the walkway, hence our solution should be ( in exact terms ) \frac{5\left(\sqrt{41}-5\right)}{2}. The approximated value however is 3.5081...or approximately 3.5 feet.

4 0
3 years ago
Some help would be appreciated
Elis [28]
She was driving an average of 51 mph.
3 0
3 years ago
My Question: Q=1/2P+15, for P
Mekhanik [1.2K]
P=2(9-15) is what i got first i simplify 1/2p to p/2, then subtract from both sides, multply both sides by 2, then regroup terms, and last switch sides
8 0
3 years ago
What is the value of the expression below when w = 3. 4w^2 - 7w - 8
Makovka662 [10]
<h2>Answer:<em> </em><em><u>w =(-40-√4320)/-34=(20+6√ 30 )/17= 3.110 </u></em></h2><h2><em><u> w =(-40+√4320)/-34=(20-6√ 30 )/17= -0.757</u></em></h2>

Step-by-step explanation:  The prime factorization of  4320   is

  2•2•2•2•2•3•3•3•5  

To be able to remove something from under the radical, there have to be  2  instances of it (because we are taking a square i.e. second root).

√ 4320   =  √ 2•2•2•2•2•3•3•3•5   =2•2•3•√ 30   =

               ±  12 • √ 30

 √ 30   , rounded to 4 decimal digits, is   5.4772

So now we are looking at:

          w  =  ( -40 ± 12 •  5.477 ) / -34

Two real solutions:

w =(-40+√4320)/-34=(20-6√ 30 )/17= -0.757

or:

w =(-40-√4320)/-34=(20+6√ 30 )/17= 3.110

MY HEAD HURTS!

3 0
3 years ago
Other questions:
  • Fill in the missing values to make the equations true.
    5·1 answer
  • Segment endpoints: (0,0) and (0,20) midpoint
    10·1 answer
  • Write mixed number as a fraction 5 1/2​
    12·2 answers
  • Cada material en sus distintos estados de agregacion, cambia de volumen de forma diferente, sin embargo todos lo hacen en cierta
    9·1 answer
  • Simplify 52 · 59.<br><br> 511<br><br> 518<br><br> 2511<br><br> 2518
    12·2 answers
  • Select each expression that is equivalent 18x+3
    9·1 answer
  • The vertices of rectangle WXYZ are W(-4, -3), X(-4,1), and Y(2, 1). a. What are the coordinates of the fourth vertex? b. Find th
    8·1 answer
  • Si a los lados de un cuadrado se le aumenta en 3 y 5 m respectivamente la superficie del nuevo rectangulo es 440m .Encontrar el
    8·1 answer
  • Katherine has a points card for a movie theater.
    7·1 answer
  • On a map, Mary's house is located at (−3, 1) and the grocery store is located at (5, 7). Mary walks on a straight line from her
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!