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antiseptic1488 [7]
2 years ago
13

Please help

Mathematics
2 answers:
tamaranim1 [39]2 years ago
8 0
Do you know what symbol is used for the product ( + - * / )
EleoNora [17]2 years ago
3 0

Answer:

k = 6

Step-by-step explanation:

"The product of 12 and k"  means 12*k

"is 84" means = 84

Therefore:  

12k = 84

k = 6

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-72=-9s-45 can’t seem to find the answer to this
Cerrena [4.2K]

-72=-9s-45 also equals -9s-45=-72

-9s - 45 + 45 = - 72 + 45

-9s = - 27

-9s/-9 = -27/-9

s = 3

Hope this helped!

4 0
4 years ago
Terri wrote the system of linear inequalities
Eddi Din [679]

Question: Terri wrote the system of linear inequalities.

-3x - 3y > -18

-X<-y

Select all of the ordered pairs that are part of the solution set for this system of linear inequalities.

A: (-1,5)

B: (2, 4)

C: (3, 3)

D: (4.6)

E: (5,2)

Answer: A,b,d

3 0
3 years ago
Factorise fully 9b-3b2
alexdok [17]

Answer:

3b(3-b) is the answer

Step by step explanation : take out the most common factor which is 3b

3 0
3 years ago
How are central tendency and standard deviation related
loris [4]

Answer:

Measure of central tendency is a value that represents a typical, or central, entry of a data set. The most common measures of central tendency are: • Mean (Average): The sum of all the data entries divided by the number of entries. ... The standard deviation measure variability and consistency of the sample or population.

Step-by-step explanation:

5 0
3 years ago
Answer please with explanation thank you
natulia [17]

Answer:

Shape a has 1 order of rotational symmetry and 1 line of symmetry

Shape b has 2 orders of rotational symmetry and 0 line of symmetry

Rotational symmetry is how many times a shape can be rotated and look the same.

Lines of symmetry are how lines can be put through the shape to make it symmetrical or the same on both sides

6 0
4 years ago
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