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mihalych1998 [28]
2 years ago
5

Plz help me with this

Mathematics
1 answer:
tatyana61 [14]2 years ago
7 0
I think its answer D, but im sorry if its wrong
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5 + 1.3 • 8.7? whats the answer?
Elan Coil [88]

Answer:

56

Step-by-step explanation:

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2 years ago
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bob and mark talk about their families. bob says he has 3 kids, the product of their ages is 72. Mark points out that there is s
Sonbull [250]
Given:
3 kids
72 is the product of their ages.
There is a youngest child.

This means that all three are of different ages. We need to factor 72 into 3 integers.
Let us use prime factorization:

72 ÷ 2 = 36
36 ÷ 2 = 18
18 ÷ 2 = 9
  9 ÷ 3 = 3

Prime factors are: 2 x 2 x 2 x 3 x 3    OR 2³ x 3²

3 ages.

eldest      = 3³ = 9
middle     = 2² = 4
youngest  = 2¹ = 2

2 x 4 = 8
8 x 9 = 72
8 0
3 years ago
What’s the perimeter of a rectangle with length x and width x-5
MrMuchimi

Answer:

P = 2(x + x - 5) = 2x - 10

Step-by-step explanation:

Formula for the perimeter of a rectangle: P = 3(l + L)

7 0
3 years ago
Write the equality in the given diagram below
evablogger [386]

Answer:

The inequality for this diagram is x≥-1

Please the explanation... it always helpsssss....

Step-by-step explanation:

The first step is to look at the circle... is it filled in or not... in this case it is...

meaning the symbol is greater than or equal to  OR less than or equal to

next the arrow is pointing to the right meaning the symbol must be greater than or equal to

then look at the value at the filled in circle (which in this case is -1)

meaning the inequality must be x≥-1

i really hope this helps!!!!

8 0
1 year ago
Check the obtained values of 4s²+12s=-9​
marta [7]

\\ \bull\tt\looparrowright 4s^2+12s=-9

\\ \bull\tt\looparrowright 4s^2+12s+9=0

\\ \bull\tt\looparrowright 4s^2+6s+6s+9=0

\\ \bull\tt\looparrowright 2s(2s+6)+3(2s+3)=0

\\ \bull\tt\looparrowright (2s+6)(2s+3)=3

\\ \bull\tt\looparrowright s=-2\:or\:s=\dfrac{-3}{2}

6 0
2 years ago
Read 2 more answers
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