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4 years ago

CAN ANYONE HELP ME :)

Mathematics

1 answer:

Flauer [41]4 years ago

8 0

The graph shows that the amount increases by 1600 every 2 years, i.e. it increases by 800 each year.

So, starting from 21200 at age 17, there will be

$21200+800=22000$

dollars on the bank account by the time the girls are 18 years old.

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Simplify this expression: (m+3)(m^2-2m+2)

leva [86]

Answer:

m^3+m^2-4m+6

Step-by-step explanation:

Expand m (m+3) (m^2-2m+2) by multiplying each term in the first expression by each term in the second expression.

7 0

3 years ago

Given that f(x) = 3x + 4 and g(x) = x2 - 2x-6, find (g o f)(5).

amid [387]

Answer:

317 is the answer.

Step-by-step explanation:

Set up the composite function and simplify.

317 is what you get.

7 0

4 years ago

Determine the value of x in the figure A) x = 8 B) x = -4 C) x = 4 D) x = 4/3

Svetach [21]

Answer:

Step-by-step explanation:

X=8

8 0

4 years ago

What is the value of 4+(8*2)-3+5

Fed [463]

Hello there!

You have to do PEMDAS to solve this problem

Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

We're doing: addition, parentheses , and multiplication!

So, 8(2) = 16, right?

Problem becomes: 4 + (16) - 3 + 5

4 + 16 = 20

Problem becomes: 20 - 3 + 5

20 - 3 = 17

17 + 5 = 22

So, therefore your answer would be: 22

Good luck on your assignment and enjoy your day!

~MeIsKaitlyn:)

3 0

3 years ago

when loaded with iron rods a lorry has mass of 12000kg. if the mass of iron rods is there times that of the empty lorry . find t

siniylev [52]

Complete Question

When loaded with iron rods a lorry has mass of 12000kg. if the mass of iron rods is three times that of the empty lorry, find the mass of iron.

Answer:

3000kg

Step-by-step explanation:

Let us represent

Mass of lorry = x

Mass of iron rods = y

x + y = 12000kg..... Equation 1

x = 12000kg - y

We are told that:

If the mass of iron rods is three times that of the empty lorry, find the mass of iron.

x = 3y

We substitute 3y for x in Equation 1

x = 12000kg - y

3y = 12000kg - y

Collect like terms

3y + y = 12000kg

4y = 12000kg

Divide both sides by 4

y = 12000kg/4

y = 3000kg

Note that:

Mass of iron rods = y

Hence, Mass of iron rods = 3000kg

4 0

3 years ago