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3 years ago

13

5x + 7(2+9)=?3x + 4(1 +0)=?

2 answers:

Sergio [31]3 years ago

6 0

Hi there!

• $5x + 7(2 + 9)$

⇒ $5x + 7(11)$

⇒ $\boxed{5x + 77}$

• $3x + 4(1 + 0)$

⇒ $3x + 4(1)$

⇒ $\boxed{3x + 4}$

~ Hope it helps!

ki77a [65]3 years ago

4 0

5x+7(2+9)

5x+14+63

5x+77

3x+4(1+0)

3x+4+0

3x+4

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Sarah bought 18 boxes of 65 pens at $12 a box. She sold 378 of them at 3 for $1.00 and the rest at 4 for $1.00. Find her total p

KonstantinChe [14]

Answer:

$108

Step-by-step explanation:

1 box = $12

18 boxes = 12×18 = $216

Total = 18×65 = 1170 pens

Cost price, Cp = $216

3 = $1

378 = 378/3 = $126

1170-378= 792 pens remaining

4 = $1

792 = 792/4 = $198

Total selling price, sp = 126+198 = $324

Profit = Sp - Cp = 324 - 216 = $108

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3 years ago

Which number is the median? 5, 15, 16, 20, 21, 21, 23, 23, 23, 26, 26, 26, 26, 27, 27, 29, 29, 29, 29, 29, 30, 30, 30, 30

scoray [572]

Answer:

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Step-by-step explanation:

26+26=52

52÷2=26

8 0

3 years ago

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eduard

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3 years ago

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If f(1) = 10 and f(n) = f(n = 1) – 4 then find the value of f(5).

svetoff [14.1K]

Given:

$f(1)=10$ and $f(n)=f(n-1)-4$ .

To find:

The value of f(5).

Solution:

We have,

$f(n)=f(n-1)-4$

For $n=2$ ,

$f(2)=f(2-1)-4$

$f(2)=f(1)-4$

$f(2)=10-4$

$f(2)=6$

For $n=3$ ,

$f(3)=f(3-1)-4$

$f(3)=f(2)-4$

$f(3)=6-4$

$f(3)=2$

For $n=4$ ,

$f(4)=f(4-1)-4$

$f(4)=f(3)-4$

$f(4)=2-4$

$f(4)=-2$

For $n=5$ ,

$f(5)=f(5-1)-4$

$f(5)=f(4)-4$

$f(5)=-2-4$

$f(5)=-6$

Therefore, the value of $f(5)$ is $-6$ .

5 0

3 years ago

Can you help me solve this?

yuradex [85]

Answer:

Abraham Lincoln

Step-by-step explanation:

hes the 16th president, duh

7 0

3 years ago