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Zielflug [23.3K]
3 years ago
10

Which of the following phrases translates to x - 9?

Mathematics
1 answer:
Vesnalui [34]3 years ago
4 0

Answer:

the difference between nine and a number

Step-by-step explanation:

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Hiiiooo!!! Can someone please help❤️❤️❤️:D<br><br> SAS<br> SSS<br> AA<br> Not similar
makvit [3.9K]

Answer:

Similar by SSS

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8 0
3 years ago
Can some one help please?!! I’m struggling
aliina [53]

Answer:

7x + 4y

Step-by-step explanation:

We have to write an equivalent expression of the given expression in standard form.

The expression is - 5(x - 4y) + 2(6x - 8y)

= -5(x) - 5(- 4y) + 2(6x) + 2(- 8y)  

{Applying the distributive property of multiplication}  

= - 5x + 20y + 12x - 16y

= (-5x + 12x) + (20y - 16y)  

{Separating the x and y terms}

= 7x + 4y (Answer)

4 0
4 years ago
The sum of the first 3 terms of a geometric series is 171 and the common ratio is 2/3
S_A_V [24]

Answer:

81

Step-by-step explanation:

The formula for calculating the sum of geometric series varies depending on the value of its common ratio.

Given the common ratio to be 2/3 which is less than 1, the formula to be used is given as;

Sn = a(1-rⁿ)/1-r

n is the number of terms of the series

a is the first term

r is the common ratio.

Sn is the sum of the series

Given n = 3, r = 2/3 and Sn = 171,

a= ?

Substituting this values in the formula we have;

171 = a{1-(2/3)³}/1-2/3

171 = a{1-8/27}/(1/3)

171 = a(19/27)/(1/3)

171 = 19a/27 × 3/1

171 = 57a/27

57a = 171×27

57a = 4,617

a = 4,617/57

a = 81

The first term of the series is 81

3 0
3 years ago
Draw a Hasse diagram of the partial order &lt;&lt; of the set {2,3,4,6,8,9,10,12} where a &lt;&lt; b iff b is divisible by a.
Ray Of Light [21]

Step-by-step explanation:

Consider the provided set {2,3,4,6,8,9,10,12}

Let the set is A.

A={(2 \prec 4), (2 \prec 6), (2 \prec 8), (2 \prec 10), (2 \prec 12), (3 \prec 6), (3 \prec 9), (4 \prec 8), (4 \prec 12), (6 \prec 12)}

Hence the required Hasse diagram is shown in figure 1:

In the Hasse diagram 2 and 3 are on the same level as they are not related.

The next numbers are 4, 6, 9, and 10. 4, 6 and 10 are divisible by both 2. 6 and 9 are divisible by 3. Then 8 and 12 are divisible by 4 also 12 is divisible by 6.

Hence, the required diagram of the partial order of the set {2,3,4,6,8,9,10,12} is shown in figure 1.

8 0
3 years ago
Write an equivalent expression for 2m+3m-1.
AnnyKZ [126]

Answer:

5m-1

Step-by-step explanation:

2m+3m-1

Combine like terms

5m -1

5 0
4 years ago
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