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Olin [163]
2 years ago
9

. A bag contains 15 balls of which x are red.

Mathematics
1 answer:
vazorg [7]2 years ago
5 0

Step-by-step explanation:

the probability is x/15.

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Can somebody help me find the surface area of this
-Dominant- [34]

Answer:

G. 7600 cm^{2}

Step-by-step explanation:

Step 1: Deconstruct the shape

2 rectangles with dimension of 50 cm x 20 cm

2 rectangles with dimension of 40 cm x 20 cm

2 rectangles with dimension of 40 cm x 50 cm

Step 2: Find surface area of the shapes

2(50 x 20) = 2000 cm^{2}

2(40 x 20) = 1600 cm^{2}

2(40 x 50) = 4000 cm^{2}

Step 3: Add the surface areas together

2000 + 1600 + 4000 = 7600 cm^{2}

Therefore the surface area is 7600 cm^{2} and the answer is G.

4 0
3 years ago
Ray’s weight increased by 11% in the last two years. If he gained 16.5 pounds, what was his weight two years ago?
kap26 [50]
2 years ago he weighed 119.5 pounds
4 0
3 years ago
I will give brainliest. Combine the like terms to create an equivalent expression: −5j+(−2j)+3
neonofarm [45]

Answer:

-7j +3

Step-by-step explanation:

-5j -2j +3

-7j +3

like terms are combined. combine the js

8 0
3 years ago
Read 2 more answers
PLZ HELP!!!!!!!!!!!!!!!!!!
Inessa05 [86]

Answer:

D.) If soccer balls are sold for $2.05 or $14.61 each, the store will break even but will not make a profit.

Step-by-step explanation:

Let us assume x = selling price of each soccer ball

y = daily profit earned from selling of soccer balls

Given that

Y= -6x^2+100x-180

where,

a = -6

b = 100

c = -180

Now we have to applied the formula which is as follows

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}$

= \frac{-100\pm\sqrt{100^2-4\times -6\times -180}}{2\times -6}$

= \frac{-100\pm\sqrt{10,000 - 4,320}}{-12}$

= \frac{-100\pm\sqrt{5.680}}{-12}$

= \frac{-100 + 75.3658}{-12}$

= \frac{24.6342}{-12}

x^1 = -2.05285

Now

x^2  = \frac{-100 - 75.3658}{-12}$

= \frac{- 175.3658}{-12}

x^2 = 14.6138

Based on this the option D is most appropriate as per the given situation

4 0
3 years ago
Read 2 more answers
Solve for x . Leave your answer in the simplest form
Alisiya [41]

Hello!

Here we are given a composite shape, meaning that we can divide this shape up into ways that we are given formulas to solve for legs and such.

I can see here that this can be divided into a triangle and a rectangle using a horizontal line.

The leg lengths of this triangle would be 9, because it is congruent to the bottom side of the rectangle, and 7, because it is the left side minus the right side.

This would also make a right triangle, meaning we could solve for the hypotenuse utilizing the Pythagorean Theorem.

a^2+b^2=c^2

6^2+7^2=c^2

36+49=c^2

c^2=85

c=\sqrt{85}

Which is in simplest radical form.

Hope this helps!

3 0
2 years ago
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