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3 years ago

SIMPLIFY 5(2X-3)+4(X+1)

Mathematics

2 answers:

levacccp [35]3 years ago

4 0

Answer: 14x - 11

Step-by-step explanation:

Add 10x and 4x.

14x −15 + 4

Add −15 and 4.

14 x −11

OR.

Apply the distributive property. 5 ( 2 x ) + 5 ⋅ − 3 + 4 ( x + 1 )

Multiply 2 by 5 . 10 x + 5 ⋅ − 3 + 4 ( x + 1 )

Multiply 5 by − 3 . 10 x − 15 + 4 ( x + 1 )

Apply the distributive property. 10 x − 15 + 4 x + 4 ⋅ 1

Multiply 4 by 1 . 10 x − 15 + 4 x + 4

hoped this helped lmk if it did

8090 [49]3 years ago

3 0

Answer:

14x - 11

Step-by-step explanation:

Distribute

10x - 15 + 4x + 4

Combine like terms

14x - 11

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4 years ago

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4 years ago

Read 2 more answers

F(2) if f(x) = 2x - 5

wariber [46]

Answer:

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Step-by-step explanation:

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3 years ago

The arithmetic sequence a_ia i a, start subscript, i, end subscript is defined by the formula: a_1 = 15a 1 =15a, start subsc

daser333 [38]

Answer:

-1,512,390

Step-by-step explanation:

Given

a1 = 15

$a_i = a_{i-1} -7$

Let us generate the first three terms of the sequence

$a_2 = a_{2-1}-7\\a_2 = a_1 - 7\\a_2 = 15-7\\a_2 = 8$

For $a_3$

$a_3 = a_{3-1}-7\\a_3 = a_2 - 7\\a_3 = 8-7\\a_3 = 1$

Hence the first three terms ae 15, 8, 1...

This sequence forms an arithmetic progression with;

first term a = 15

common difference d = 8 - 15 = - -8 = -7

n is the number of terms = 660 (since we are looking for the sum of the first 660 terms)

Using the formula;

$S_n = \frac{n}{2}[2a + (n-1)d]\\$

Substitute the given values;

$S_{660} = \frac{660}{2}[2(15) + (660-1)(-7)]\\S_{660} = 330[30 + (659)(-7)]\\S_{660} = 330[30 -4613]\\S_{660} = 330[-4583]\\S_{660} = -1,512,390$

Hence the sum of the first 660 terms of the sequence is -1,512,390

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3 years ago

What is the value of y?

Romashka [77]

Answer:

y=42

Step-by-step explanation:

y+48+90=180

y=180-138

y=42

7 0

4 years ago