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3 years ago

What is the mass of an object that has a force of 100 Newtons and acceleration of 25 m/s2

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

6 0

F=ma
m=F/a
m=100/25=4 kg
Mass of an object is 4 kg

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3(x-1) =2x - 3 +3x solve for x please and thank you :]

Fynjy0 [20]

Answer:

x = 0

Step-by-step explanation:

3(x - 1) = 2x - 3 + 3x

3x - 3 = 2x - 3 + 3x

0 - 3 = 2x - 3

0 = 2x

2x = 0

x = 0 ÷ 2

x = 0

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2 years ago

Read 2 more answers

-6 3/5 - (-7 4/15) + 2 1/5

Ilya [14]

Answer:2.87

Step-by-step explanation:

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3 years ago

Solve the equations by substitution method: A. 2x-y-3=0 and 3x+4y=65.

PSYCHO15rus [73]

Step-by-step explanation:

$\sf 2x-y-3=0\dots \dots (1)$

$\sf 3x+4y=65 \\ \implies\sf 3x+4y-65=0 \dots\dots(2)$

from eq (1)

${:}\longrightarrow$ $\sf 2x-y-3=0$

${:}\longrightarrow$ $\sf 2x-3=y$

${:}\longrightarrow$ $\sf y=2x-3 \dots\dots(3)$

Substitute the value in eq(2)

${:}\longrightarrow$ $\sf 3x+4y-65=0$

${:}\longrightarrow$ $\sf 3x +4 (2x-3)-65=0$

${:}\longrightarrow$ $\sf 3x+8x-12-65=0$

${:}\longrightarrow$ $\sf 11x-77=0$

${:}\longrightarrow$ $\sf 11x=77$

${:}\longrightarrow$ $\sf x={\dfrac {77}{11}}$

${:}\longrightarrow$ $\sf x=7$

Substitute the value in eq (3)

${:}\longrightarrow$ $\sf y=2x-3$

${:}\longrightarrow$ $\sf y=2 (7)-3$

${:}\longrightarrow$ $\sf y=14-3$

${:}\longrightarrow$ $\sf y=11$

$\therefore$ ${\underline{\boxed{\bf (x,y)=(7,11)}}}$

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3 years ago

Find the surface area of the triangular prism. The base of the prism is an isosceles triangle.

xz_007 [3.2K]

Answer:

Surface area = 505cm²

Step-by-step explanation:

Surface area of the triangular prism. = 2B + ph

B is the base area

p is the perimeter of the triangle

h is the height of the triangle

Base area = 1/2 * base * height

Base area = 1/2 * 18 * 40

Base area = 9 * 40

Base area = 360cm²

Perimeter of the triangle = 41 + 41 + 18

Perimeter of the triangle = 100cm

height of the prism = 45cm

Surface area = 360 + 100 + 45

Surface area = 505cm²

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3 years ago

Companies A and B each initially earn $18.00 per hour. If employee A receives a $1.50 per hour raise each year and Employee B re

tensa zangetsu [6.8K]

Employee B will make more money in the third year Because in year third his/her % is going to increase up to 12%.
To find out multiply 18.00 the initial amount times 12% = $2.16

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3 years ago