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Mashutka [201]
2 years ago
12

A bag contains 36 marbles. 10 marbles are green, 6 marbles are blue, 18 marbles are yellow, and 2 marbles are purple.

Mathematics
1 answer:
alexdok [17]2 years ago
7 0

Answer:

10/72 or 0.14

Step-by-step explanation:

There are 72 marbles in total and 10 of them are green. So, it is 10/72 or 1.388 rounded to the nearest hundredth is 0.14.

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What numbers would equal 16 in multiplication but equal 7 in addition
Butoxors [25]
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1 and 16 -1and -16 2 and 8 and -2 and -8 i hope
But I’d you are solving a polynomial try using the quadratic formula doing something like this
7 0
3 years ago
PLEASE HELP and solve
ahrayia [7]
Its A.
The formula is y-y1 = m (x-x1) so by looking at just the slope, (slope is m) , since slope is -7, -7 should be placed where M is
3 0
3 years ago
Think about how to find the area of a rectangle. A=LW and a triangle 1/2B*H. Create a problem using each formula.
WITCHER [35]

Given expressions:

  Area of a rectangle  = L W

  Area of a triangle = \frac{1}{2} B H

Problem;

Create problems using the formula;

Solution:

Problem 1; Find the area of a rectangle whose length is 10cm and the width is half the size of the length?

    Given parameters:

    Length of rectangle  = 10cm

    Width of rectangle  = \frac{1}{2} x length  = \frac{1}{2} x 10  = 5cm

So, the area of the rectangle = 10cm x 5cm  = 50cm²

2. A triangle with a base length of 30cm and a height of 2cm will have an area of what?

    Given parameters:

         base length  = 30cm

         height  = 2cm

 Solution:

   Area of a triangle  = \frac{1}{2} x b x h

   Area of a triangle  = \frac{1}{2} x 30 x 2  = 30cm²

The area of the triangle will be 30cm²

6 0
3 years ago
Set up an algebraic equation and then solve.
svetlana [45]

Answer:

Width: 6

Length: 20

Step-by-step explanation:

So the area of a rectangle can be defined as: A=wl where w=width and l=length.

In this case we don't know what the length is, so let's just say the length is the variable l, and since the width is 14 units less than the length, we can express it as (l-14). this gives us the equation: A=l(l-14)=l^2-14l. We can solve for l, since we're given the area which is 120. So let's set the equation equal to that:

Original Equation:

A=l^2-14l

Substitute 120 as A (given)

120=l^2-14l

There is many ways to solve this equation: factoring, quadratic equation, completing the square etc... but in this case I'll just complete the square

Add (b/2)^2 to both sides to complete the square

120+(\frac{-14}{2})^2=l^2-14l+(\frac{-14}{2})^2

Simplify

169=l^2-14l+49

Rewrite right side a square binomial

169=(l-7)^2

Take the square root of both sides

13=l-7\\

Add 7 to both sides

20=l

to solve for width simply subtract 14 from the length which is 20, so the width is 6

Width: 6

L: 20

5 0
1 year ago
Find the area of a semicircle with a diameter equal to 8 meters (use<br> pi=3.14):*<br> d=8 m<br> D
KatRina [158]

Answer:

you do 8/2 which is 4, so that is ur radius

you do 3.14*4*4=50.24

there is ur answer!

Step-by-step explanation:

6 0
3 years ago
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