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sveta [45]
3 years ago
10

255.43 divided by 8.9

Mathematics
2 answers:
attashe74 [19]3 years ago
6 0
I think the quotient is 21.7
natita [175]3 years ago
5 0
28.7 because you move the decimal in 8.9 to the right to make it 89 and you do the same to 255.43 which makes it 2554.3/89 and you divide them to get 28.7
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What is the slope of the line that passes through the points (-9, -9) and (-9, -7) Write in simplest form.
dimaraw [331]

Answer:

Undefined slope, vertical line

Step-by-step explanation:

Slope = \frac{y_{2} -y_{1}}{x_{2}-x_{1}}

Slope = \frac{-7 -(-9)}{-9-(-9)} = \frac{-7+9}{-9+9} =\frac{2}{0} = Undefined

Since the slope is undefined, you would have a vertical line.

6 0
2 years ago
The decay of 249 mg of an isotope is given by A=249e−0.015t , where t is time in years. Find the amount after 43 years.
wolverine [178]

Answer:

A≈676.2

Step-by-step explanation:

1. Exponentially solve equation

A=249e-0.0015t as t = 43 years (Unless conversion to seconds)

A≈676.2

2. Solve graphically = intersect = (43, 676.2) x axis is time y axis is amount.

3 0
3 years ago
The domain of the function, y=2x+4 is {3, 5,6,8}. Identify the range
polet [3.4K]

Domain is the x-values

Range is the y-values

To identify the range, plug in the x-values they gave you into the equation to find its y-value

x = 3

y = 2x + 4       Plug in 3 for x

y = 2(3) + 4

y = 10

x = 5

y = 2x + 4    Plug in 5 for x

y = 2(5) + 4

y = 10 + 4

y = 14

x = 6

y = 2x + 4       Plug in 6 for x

y = 2(6) + 4

y = 16

x = 8

y = 2x + 4      Plug in 8 for x

y = 2(8) + 4

y = 20

The range is {10, 14, 16, 20}

8 0
3 years ago
Need some help with this
bogdanovich [222]
Okay:

For line “l”: y=4
For line “m”: y=-2/1+4
For line “p”: x=-4
For line “n”: y=1x-1
3 0
3 years ago
You must show your staterment and reason T-chart to get full credit
marissa [1.9K]

Step-by-step explanation:

RS bisects PQ at T. PQ bisects RS at T.

<u>prove</u>: Triangle PTS congruent Triangle QTR

<h3>Statements..............................Reasons</h3>

(1) RS bisects PQ at T.................(1) Given

(2) PQ bisects RS at T.................(2) Given

(3) angle PST ≅ angle QRT........(3) supplements of congruent angles

(4) TS ≅ TR......................(4) Converse of Base Angles Theorem

(5) angle PTS ≅ angle QTR.........(5) Subtraction Property of Equality

(6) Triangle PTS ≅ Triangle QTR...(6) Angle side angle

Hope it's help you..... ^_^❤️

5 0
3 years ago
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