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scoundrel [369]
3 years ago
5

What is the mass of an object that experiences a gravitational force on earth of 2.5N

Mathematics
1 answer:
notka56 [123]3 years ago
6 0

Answer:

The answer is 25

Step-by-step explanation:

you move the decimal back one place.

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Write an equation that goes through the point (6, -2), and is perpendicular to the line y = 2/3x + 19
boyakko [2]
Y+2=-3/2(x-6). otherwise be equivalently.
y=3/2x -11
3 0
3 years ago
Ardi and Lei are both travelling by train. Ardi's train travels 70 km in 35 minutes. Lei's train travels 585 km. It leaves at 9:
Leni [432]

Answer:

10 km/hr

Step-by-step explanation:

Average speed = Total distance travelled / Total time taken

Ardi:

Total distance travelled = 70 km

Total time taken = 35 minutes = 35/60 hour

Average speed = Total distance travelled / Total time taken

= 70 km ÷ 35/60 hr

= 70 × 60/35

= 4,200/35

= 120 km/hr

Lei:

Total distance travelled = 585 km Total time taken = 9:05 - 13:35 = 4 hours 30 minutes

= 4.5 hours

Average speed = Total distance travelled / Total time taken

= 585 km / 4.5 hours

= 130 km/hr

Difference, in km/h, between the average speed of their trains = Lei's train - Ardi's train

= 130 km/hr - 120 km/hr

= 10 km/hr

3 0
3 years ago
Multiply and simplify.
miv72 [106K]

Multiply and simplify (3 + i)(4 + 2i)

(3 + i)(4 + 2i) = (3*4) + (3*2i) + (4*i) + (2i*i) = 12 + 6i + 4i + 2i^2

i^2 = -1

12 + 6i + 4i + 2i^2 = 12 + 6i + 4i -2 = 10 + 10i

Use the imaginary number i to rewrite the expression:

--\sqrt{-16} \\(-1)\sqrt{(-1)16}\\(-1)\sqrt{16}i\\(-1)4i\\-4i

8 0
3 years ago
Company A makes three different group of products, There are liquid products, solid products, and gas products. The ratio of liq
wel

Answer: Total products = 108

Step-by-step explanation: Ratio of solid to liquid products is 3:4 and there are 36 solids, so:

\frac{3}{4} = \frac{Pl}{36}

Pl = \frac{36.3}{4}

Pl = 27

Ratio of solid to gas is 4:5:

\frac{4}{5}=\frac{36}{Pg}

Pg=\frac{36.5}{4}

Pg = 45

Total products is the sum of all products:

P = Ps + Pl + Pg

P = 36 + 27 + 45

P = 108

<u>There are a total of </u><u>108</u><u> products.</u>

3 0
3 years ago
Fridays high tempature was -1c the low tempature was -5c what was the difference between the high and low temperatures
Elis [28]

Since both temperatures were below zero ( both are negative numbers) all you need to do is subtract them:

5 - 1 = 4


The difference was 4 degrees.


5 0
3 years ago
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