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2 years ago

11

The solution of [5x(4+6)-9]

1 answer:

Anna35 [415]2 years ago

3 0

Answer:

41

Step-by-step explanation:

BIDMAS

[5 x (4 + 6) - 9]

Brackets first

4 + 6 = 10

[5 x (10) - 9]

Multiply next

5 x 10 = 50

Subtract last

50 - 9 = 41

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The Hernandez family budget is shown in the graph.

netineya [11]

Answer:

c and d

Step-by-step explanation:

c) Housing, savings and food = 54%

d) Housing, food and transportation = 60%

8 0

3 years ago

What is -11 + 3(b + 5) = 7

IRISSAK [1]

Answer:

b=1

Step-by-step explanation:

$\sf -11 + 3(b + 5) = 7$

<u>First, let's regroup, terms,</u>

$\sf 3(b+5)-11=7$

<u>Add 11 to both sides,</u>

$\sf 3(b+5)=7+11$

<u>Simplify, 7+11 = 18,</u>

$\sf 3(b+5)=18$

<u>Now, divide both sides by 3,</u>

$\sf b+5=\frac{18}{3}$

<u>Simplify, 18/3 = 6,</u>

$\sf b+5=6$

Subtract 5 from both sides,

$\sf b=6-5$

$\sf b=1$

Hope it helps! :)

7 0

2 years ago

Find all natural numbers n such that 1+3+5+7+...+(2n-1) sum is divisible by 4

Ierofanga [76]

n ∈ natural even numbers

Step-by-step explanation:

1 + 3 + 5 + 7 + … + (2n-1)

a = 1
b = 2
Uₙ = 2n - 1

sum of the first n terms :

Sₙ = n/2(a + Uₙ)

Sₙ = n/2(1 + 2n - 1)

Sₙ = n/2(2n)

Sₙ = n²

∴ so, the solution of n is all natural even numbers

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2 years ago

Read 2 more answers

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mixas84 [53]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago