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3 years ago

Write the linear equation that gives the rule for this table.

Mathematics

1 answer:

4vir4ik [10]3 years ago

3 0

Answer:

18=b

Step-by-step explanation:

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Find the value of l and b if perimeter is 100 cm

Daniel [21]

Answer:

I cant help because I dont know the length of one of the sides

Step-by-step explanation:

it would be i+b=100

that's the best I can do

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3 years ago

Complete the equation to show two equivalent expressions.

Anuta_ua [19.1K]

The answer is (g-7)(g+3)

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4 years ago

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The maximum value of the function: f(x)= -5 x ^2 +30x-200 is?

VARVARA [1.3K]

Answer:

$\displaystyle - 155$

Step-by-step explanation:

we are given a quadratic function

$\displaystyle f(x) = - 5 {x}^{2} + 30x - 200$

we want to figure out the minimum value of the function

to do so we need to figure out the minimum value of x in the case we can consider the following formula:

$\displaystyle x _{ \rm min} = \frac{ - b}{2a}$

the given function is in the standard form i.e

$\displaystyle f(x) = a {x}^{2} + bx + c$

so we acquire:

b=30
a=-5

thus substitute:

$\displaystyle x _{ \rm min} = \frac{ - 30}{2. - 5}$

simplify multiplication:

$\displaystyle x _{ \rm min} = \frac{ - 30}{ - 10}$

simply division:

$\displaystyle x _{ \rm min} = 3$

plug in the value of minimum x to the given function:

$\displaystyle f (3)= - 5 {(3)}^{2} + 30.3 - 200$

simplify square:

$\displaystyle f (3)= - 5 {(9)}^{} + 30.3 - 200$

simplify multiplication:

$\displaystyle f (3)= - 45 + 90- 200$

simplify:

$\displaystyle f (3)= - 155$

hence,

the minimum value of the function is -155

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3 years ago

The formula of triangles

Basile [38]

Answer:

area of triangle = 1/2 ×base×height

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3 years ago

What is the solution of VX-4+5=2?

Katarina [22]

Answer:

v=1/x

Step-by-step explanation:

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4 years ago

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