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elena-14-01-66 [18.8K]
3 years ago
10

Explain way in your mind to remember 9x6 and 8x7

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
8 0
You remember it because they are 6 and 7 or 9 and 8 have something together and that's how you remember it                                                           9x6=54                                                                                                                8x7=56                                                   
and also you just need to add 2+54=56

so that's all you real need to know about it

So 9x6 and 8x7 if you do 9x7 it's 54 and all you just need to do is add 2
d1i1m1o1n [39]3 years ago
5 0
Add 9, 6 times
And add 8, 7 times
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Rachel work at a bookstore on tuesday she sold twice as many books as she did on Monday on Wednesday she sold 6 fewer books than
skad [1K]
M + t + w = 19
t = 2m
w = 2m - 6

now we sub
m + (2m) + (2m - 6) = 19...combine like terms
5m - 6 = 19
5m = 19 + 6
5m = 25
m = 25/5
m = 5 <== she sold 5 books on Monday

t = 2m......t = 2(5)...t = 10 <== she sold 10 books on Tuesday
w = 2m - 6....w = 2(5) - 6....w = 10 - 6...w = 4 <== she sold 4 books on Wednesday.

3 0
3 years ago
Read 2 more answers
I am thinking of a number that is greater than 142 rounded to the nearest 100 but has a 5 in the ones place! What’s my number!?
Darina [25.2K]
I think your number would be 542
6 0
3 years ago
Answer these questions please
Yuki888 [10]

Step-by-step explanation:

1) t=-32

2) m/-5 =-2. m=10

3)-10r = -37. r=3.7

3 0
3 years ago
Solve for x. 3x/2 = 15 x = 22 1/2 x = 10 1/2 x = 10 x = 1/10
Leokris [45]

Answer:

x = 10

Step-by-step explanation:

(3x)/2 = 15 is your question.

Isolate the variable (x). Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS (Parenthesis, Exponent (& roots), Multiplication, Division, Addition, Subtraction).

First, multiply 2 to both sides

((3x)/2) = (15)(2)

3x = (15)(2)

3x = 30

Next, to isolate the variable (x), divide 3 from both sides

(3x)/3 = (30)/3

x = 30/3

x = 10

x = 10 is your answer

~

8 0
3 years ago
Read 2 more answers
A student factors 10x^2+3x-27 to the following. (2x-3)(5x+9)
bearhunter [10]

Answer:

A

Step-by-step explanation:

The form (2x-3)(5x+9) is fully factored. To determine if it is equivalent, multiply the parenthesis out.

(2x-3)(5x+9) = 10x² - 15x + 18x - 27 = 10x² + 3x - 27

Yes this is equivalent.

The solution is A.

8 0
3 years ago
Read 2 more answers
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