2 years ago

7th grade math help. Check answers too please

Mathematics

1 answer:

seraphim [82]2 years ago

6 0

Answer: It looks correct to me !

Step-by-step explanation:

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A number c minus 3.4 is less than 14. Write this word sentence as an inequality.

Rufina [12.5K]

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PLS ANSWER ITS URGENT

matrenka [14]

Answer:

The length of the ramp must be at least 14.71 feet

Step-by-step explanation:

Given

$BC = 2.3ft$

$\theta = 9^\circ$

<em>See attachment for complete figure</em>

Required

Length of the ramp (z)

To do this, we consider sin of angle A ( $\theta$ ).

So, we have:

$sin\theta = \frac{Opposite}{Hypotenuse}$

This gives:

$sin(9)= \frac{2.3}{z}$

Make z the subject

$z= \frac{2.3}{sin(9)}$

$z = \frac{2.3}{0.1564}$

$z = 14.71 ft$

<em>The length of the ramp must be at least 14.71 feet</em>

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If f(x) = x^2+1 and g(x) = x-4, which value

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