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Zielflug [23.3K]
3 years ago
8

What is the best estimate of the product 289 and 7?

Mathematics
1 answer:
liraira [26]3 years ago
5 0
The best estimate would be (300×7)=2100
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-6(2r +8)=-10(r-3)<br> I need the work to
barxatty [35]

Answer:

r = -39

Step-by-step explanation:

So we are trying to solve the equation for r.

-6(2r + 8) = -10(r - 3)

Divide both sides by -2. (This will make distributing much easier.)

3(2r + 8) = 5(r - 3)

Distribute the 3 on the left side and the 5 on the right side,

6r + 24 = 5r - 15

Subtract 24 from both sides.

6r = 5r - 39

Subtract 5r from both sides.

r = -39

So now we have solve the equation.

I hope you find my answer and explanation to be helpful. Happy studying. :)

5 0
3 years ago
8=x/7<br> Find the value of X?
jeka94

Answer:

X=56

You have to multiply 8 and 7

3 0
3 years ago
Read 2 more answers
please help me!!!!!!!!!!!!!
yKpoI14uk [10]
Let x be the length of each row.
Denver can plant 3 rows of a certain length with 2 seedlings leftover.
Total number of seeds he has = 3x+2 Denver can plant 4 rows of the same length with 3 seedling spots left empty.
Total number of seeds he has = 4x-3 Using (i) and (ii), we get= 3x+2=4x-3

Isolate variable terms: 2+3=4x-3
Answer= 5=X
5 0
3 years ago
Six times the difference of a number and three is equal to three less than the number.
icang [17]

Answer:

x=3

Step-by-step explanation:

lets take x as the number

so

6(x-3)=x-3

since it says "6 times" we know that we will have to multiply the difference by 6  and it says the difference of a number and 3 is equal to 3 less than the number so we know that we are subtracting 3 from x

6x-18=x-3

6x-x=18-3

5x=15

x=3

3 0
3 years ago
Use these four examples to summarize the result when you add a natural number and an integer:
DerKrebs [107]
When you add an integer and a natural number, you always get an integer. 
4 0
3 years ago
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