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VikaD [51]
3 years ago
5

7.959 to one decimal place .

Mathematics
2 answers:
o-na [289]3 years ago
8 0

Answer:

8.0

Step-by-step explanation:

Since we are trying to find the nearest tenth decimal place, we look at the hundredths place to figure it out. Since it is ≥5, we round up.

arsen [322]3 years ago
7 0

Answer:

The answer would be 8

Step-by-step explanation:

If you have a decimal and you need to round, if it is four and below, you would have just leave the number as it is if it is five and above, you round up.

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Simplify the expression and then substitute the given number for the variable. For expression 8a2+6b+9a2+9b2+3b, find the value
Harlamova29_29 [7]

Answer: 68

Step-by-step explanation:

Simplifying the expression:

= 8a² + 6b + 9a² + 9b² + 3b

Collect like terms

= 8a² + 9a² + 6b + 3b + 9b²

= 17a² + 9b + 9b²

We then substitute a=2,b=−1.

= 17a² + 9b + 9b²

= 17(2)² + 9(-1) + 9(-1)²

= 68 -9 + 9

= 68

8 0
3 years ago
9 mi <br> 12 mi <br> What is the length of the hypotenuse? <br> miles
Svetllana [295]
15..........................
4 0
3 years ago
Are the two expressions in the equation 2b + 5 + 1b = 3b + 5 equal or equivalent? How do you know
vodka [1.7K]

Given:

The expression is

2b+5+1b=3b+5

To find:

Whether the two expression in the equation are equal or equivalent.

Solution:

If two expression are exactly the same, then they are equal and if the two expressions are different but the after simplification both are same, then they are called equivalent expressions.

We have,

2b+5+1b=3b+5

Taking LHS, we get

LHS=2b+5+1b

On combining liker terms, we get

LHS=(2b+1b)+5

LHS=3b+5

LHS=RHS

In the given equation both expression are different but after simplification LHS = RHS, therefore the expression are equivalent not equal.

5 0
3 years ago
Marias bank account balance tripled and then lost 35.50 and is now 13 dollars.
lys-0071 [83]

Answer:

$145.5

Step-by-step explanation:

7 0
3 years ago
What is the value of the expression 3.9x10^5/1.3x10^2?
kvv77 [185]

Answer: 3 * 10 ^3

Step-by-step explanation:

Divide the numbers

3.9 / 1.3

3

Subtract the powers of 10

10^5 / 10^2 = 10 ^ (5-2) = 10^3

The result is 3 * 10 ^3

4 0
2 years ago
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