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3 years ago

Help please ?!?!?!!???????!???!???!!????!!??!??!?!?!!??!?!!????

Mathematics

1 answer:

wariber [46]3 years ago

8 0

No association because it’s scattered

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What is the answer to this two step equation? 5 + 10c -140

liubo4ka [24]

Answer:

10c-135

Step-by-step explanation:

5+10c-140

10c+5-140

10c-135

3 0

4 years ago

What are the solutions on the following system?

Oksana_A [137]

2x+y = -5. Solve this for y. We get y = -2x - 5. Find y^2: 4x^2 + 20x + 25. Substitute 4x^2 + 20x + 25 for y^2 in the first equation:

x^2 + 4x^2 + 20x + 25 = 25

Then 5x^2 + 20x = 0, so that x = 0. Subst. 0 for x in the 2nd eqn and find the value of y. Write your solutions as shown above: ( , ) and ( , ).

3 0

4 years ago

There are 9 students in Ms. Q's class. Ms. Q wants to split up her class into three groups for a group project, and wants each g

Rufina [12.5K]

The number of ways of she can do it is 504 ways

<h3>What is permutation?</h3>

The formula for permutation is given as:

Permutation = $\frac{n!}{n - r!}$

Where:

n is the total number of objects = 9
r is the number selected = 3

Substitute into the formula

Permutation = $\frac{9!}{9 - 3!}$

P( 9, 3) = $\frac{9!}{6!}$

P( 9, 3) = $\frac{362880}{720}$

P( 9, 3) = 504 ways

Thus, the number of ways of she can do it is 504 ways

Learn more about permutation here:

brainly.com/question/12468032

#SPJ1

7 0

2 years ago

Find the 4th term of the expansion of (2a - b)^7.

ankoles [38]

Answer:

-560a^4b^3

Step-by-step explanation:

Given:

(2a - b)^7

By using Binomial theorem:

128a^7 - 448a^6b + 672a^5b^2 - 560a^4b^3 + 280a^3b^4 - 84a^2b^5 + 14ab^6-b^7

Here the fourth term is -560a^4b^3 !

4 0

4 years ago

Read 2 more answers

In circle F with m \angle EFG= 122m∠EFG=122 and EF=16EF=16 units, find the length of arc EG. Round to the nearest hundredth.

kow [346]

Given:

In circle F, $m\angle EFG=122^\circ,\ EF=16$ units.

To find:

The length of arc EG.

Solution:

It is given that, $m\angle EFG=122^\circ,\ EF=16$ units. It means the central angle of arc EG is 122 degrees and the radius of the circle F is 16 units.

Formula for arc length is:

$s=2\pi r\times \dfrac{\theta}{360^\circ }$