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3 years ago

SOMEOJE HELLP PLSSSSSS

Mathematics

2 answers:

Neporo4naja [7]3 years ago

7 0

Answer:

Step-by-step explanation:

this seems like substitution

If so its the first part is 12x6

second part is 35 x 6

third part is 56 x 6

damaskus [11]3 years ago

6 0

I searched it up

hope dis helps ^-^

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What is equilibrium if autonomous expenditures are $2,000 and the mpe is 0. 5?

STALIN [3.7K]

The equilibrium level if autonomous expenditures are $2,000 and the mpe is 0. 5 is $4000.

<h3>How to calculate the equilibrium?</h3>

From the information given, the autonomous expenditures are $2,000 and the mpe is 0. 5.

Here, the equilibrium level will be:

= 2000/(1 - 0.5)

= 2000/0.5

= 4000

In conclusion, the correct option is $4000.

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2 years ago

Keiko has seven colors of lanyard. She uses three different colors to make a keychain. How many different combinations can she c

AleksAgata [21]

Combination = doesn't matter what order
Permutation = order matters

There are <u>two</u> methods to work out combinations.

Method 1 List out possibilities
123 124 125 126 127 134 135 136 137 145 146 147 156 157 167
234 235 236 237 245 246 247 256 257 267
345 346 347 356 357 367
456 457 467
567

For a total of 35 combinations.

Method 2 Use a formula.
It's a rather complicated one, so only use it if you have a lot of possibilities.

$\frac{n!}{r!(n-r)!} = \frac{7!}{3!(7-3)!} = \frac{7!}{3!*4!} = \frac{7*6*5*4*3*2*1}{3*2*1*4*3*2*1} = \frac{7*6*5}{3*2*1}=\frac{210}6=35$

(n is the number of choices, r is the amount you choose, and ! is a function that multiplies together all numbers down to 1)

7 0

3 years ago

I need help with the first one only please

Shtirlitz [24]

0.3 should be the answer!

7 0

3 years ago

Read 2 more answers

Please help! Will mark brainliest

ser-zykov [4K]

Answer:

Step-by-step explanation:

t1 = a1

t2 = a1 + d

t3 = a1 + 2d

The sum is t1 + t2 + t3 = a1 + a1 + d + a1 + 2d = 3a1 + 3d

Second question

t1 = a1

t2 = a1 + d

t3 = a1 + 2d

t4 = a1 + 3d

...

tn = a1 + (n - 1)*d

Sum = (a1 + a1 + (n- 1)*d) * n / 2

Sum = (2a1 + nd - d) * n / 2

Sum = (2a1*n + n^2*d - nd) / 2

5 0

2 years ago

Please help me with this !!

Ket [755]

Answer:Differentiate w.r.t. x. 12.3. 12.3. Tick mark Image. View solution steps ... Worked example: Taylor polynomial of derivative function. Khan Academy.

Step-by-step explanation:

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2 years ago