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lianna [129]
2 years ago
6

Estimate the product by rounding 9x54

Mathematics
1 answer:
lions [1.4K]2 years ago
6 0

Answer:

10×50=500

Step-by-step explanation:

9=10

54=50

I think its right but im not sure

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Solve the equations. Make conclusion. 3|x+12|=6<br><br> *Please put down the steps also.*
Blababa [14]
3 | x+12 |=6
Start by distributing 3 to both x and 12
You get 3x+36=6
Subtract 36 from both sides
You then get 3x=-30
Divide 3 from both sides getting
x= -10
3 0
3 years ago
What is the value of p if the expression 4(n+7) is equivalent to (n+p)4?
nikitadnepr [17]

Answer:

p = 7

Step-by-step explanation:

set the expressions = to each other

4(n+7) = 4(n+p)

distribute the 4 on both sides(multiplying the numbers on the inside)

4n+28 = 4n+4p

subtract the 4n from the right and left

28 = 4p

divide by 4

p = 7

3 0
3 years ago
state whether the lines represented by the equations y=1/2x-1 and y+4=-1/2(x-2) are parallel, perpendicular, or neither.
Zepler [3.9K]
Parallel because they have the same slope. Y+4= -1/2(x-2) is in point slope form, simplified to y intercept form is y=1/2-5... The slope (m) in both equations is the same, if you graphed the equations they would be parallel
7 0
3 years ago
A person buys X meter for 5
Nady [450]

Step-by-step explanation:

I guess, it means every meter costs these amounts.

and the specified costs are not fit the whole bundle.

it is also unclear, if "half of it" means half of the original x meters, or half of the remaining meters (after selling 2/5 of the original meters). I assume the first.

so, we have

-5x

+ 2/5x × 5.5

+ 1/2x × 6.4

+ (10/10 - 4/10 - 5/10)x × 6 = + 1/10x × 6

= 120 ( a income minus costs is the profit, so balancing both sides in a "+" and "-" expression gives us the remaining profit).

about the line with the 1/10 :

the leftovers. 10/10 is the whole x at the beginning.

2/5 = 4/10.

1/2 = 5/10.

I brought all involved fractions to the same denominator of the smallest common multiple of 2 and 5 (10).

in full

-5x + (2/5)x×5.5 + (1/2)x×6.4 + (1/10)x×6 = 120

-5x + 2.2x + 3.2x + 0.6x = 120

-5x + 6x = 120

x = 120

so, he bought 120m in the first place.

8 0
2 years ago
What is the volume of the figure?
Tanzania [10]

Answer:

V= 125.6

Step-by-step explanation:

The equation is V=Bh

Since there is a circle you would substitute B for (3.14 x r^2)

V= (3.14 x r^2)(h)

= (3.14 x 4 )(10)

=12.56 X 10

V =125.6

8 0
3 years ago
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