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nika2105 [10]
3 years ago
10

What is 5x-(8x+9)+4.5x

Mathematics
1 answer:
AnnZ [28]3 years ago
5 0
Simplify the brackets.
5x - 8x - 9 + 4.5x

Collect like terms
(5x - 8x + 4.5)-9

Simplify
1.5x - 9

Now give me your stuffed crust.
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inn [45]
Technically this is a line segment, but since that is not an option. choose the answer “line”
3 0
3 years ago
Read 2 more answers
Paula purchase 3 dvd and 7 cds and spent between 90 and 100. Each dvd costs the same amount the price of cd is 10 select all amo
sveticcg [70]

The options aren't given, however, the range of amount spent could be calculated

Answer:

Kindly check explanation

Step-by-step explanation:

Paula purchase 3 dvd and 7 cds and spent between 90 and 100. Each dvd costs the same amount the price of cd is 10 select all amounts that could be the price of the dvd

Given that :

DVD costs the same amount

Number of DVD's = 3

Cost of cds = 10

Number of cds = 7

Total cost of cd's = 10 * 7 = 70

Let the price of DVD = x

Total amount spent = 90 - 100

Lowest price of DVD :

(amount spent - price of cd) / number of dvd

(90 - 70) / 3 = 20 /3 = 6.667

Highest price :

(100 - 70) / 3 = 30 / 3 = 10

Hence the pice of each DVD will range between /

6.6666 and 10.

Hence, prices listed within the range above are possible.

3 0
3 years ago
a man is standing on top of a cliff, 80 high, the angle of depression to a boat is 60° . calculate the distance of the boat from
Maurinko [17]

Answer:

20 :3

Step-by-step explanation:

Da distance is 20

80 - 60 = 20 BOOM PEEPS

3 0
3 years ago
A kangaroo hops 2 kiliometers in 3 minutes. At this rate: How far does the kangaroo travel in 6 minutes?
Bess [88]

Answer:

4km

Step-by-step explanation:

4 0
3 years ago
What is the slope of a line that is perpendicular to the line y=-3x
exis [7]

slope of a line that is perpendicular to the line y=-3x is 1/3

What is slope of line?

A line's slope in mathematics is defined as the ratio of the change in the y coordinate to the change in the x coordinate. Both the net change in the y-coordinate and the net change in the x-coordinate are denoted by y and x, respectively. where "m" represents a line's slope. So, the slope of a line is tanθ.

y=-3x

tanθ=slope = y/x= -3

Slope(M) of this equation is -3

Let the slope of its perpendicular line is m

As we know that the product of the slopes of perpendicular lines is -1

so,

M*m =-1

-3 * m= -1

m=1/3

Learn about slope from the link below

brainly.com/question/6716094

#SPJ1

5 0
1 year ago
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