2 years ago

Evalu k(t) = 10t – 19 k(-7)=

Mathematics

1 answer:

Ganezh [65]2 years ago

3 0

Answer:

k(-7) = -89

Step-by-step explanation:

k(t) = 10t - 19

k(-7) = 10*(-7) - 19

k(-7) = -70 - 19 = -89

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<h3> $6w^2 +8w +4$ is the simplified expression</h3>

<em><u>Solution:</u></em>

Given that,

We have to simplify

$w^2 + 7w^2 + 8w -5+9-2w^2$

We can simplify the above expression by combining the like terms

Like terms are terms that has same variable with same exponent and same or different coefficient

From given,

$w^2 + 7w^2 + 8w -5+9-2w^2$

Group the like terms

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