4 years ago

PLZ HELP ME WITH THIS!!!!!!

Mathematics

1 answer:

vovangra [49]4 years ago

3 0

Answer:

{(6, 6), (4, 6), (-1, 1), (-4, 0)}

Step-by-step explanation:

The reason why this set of ordered pairs represent a function is because no domains have more than 1 unique ranges.

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In ΔBCD, the measure of ∠D=90°, the measure of ∠C=83°, and DB= 1.3feet. What is the length of CD to the nearest tenth of a foot.

Lina20 [59]

Answer:

$CD\approx0.2$

Step-by-step explanation:

By the tangent ratio, $tanC=\frac{DB}{CD}$ . Substituting the given values into this equation gives us:

$tan83$ ° $= \frac{1.3}{CD}$

$CD*tan83$ ° $=1.3$ (Multiply both sides of the equation by $CD$ )

$CD=\frac{1.3}{tan83\textdegree}$ (Divide both sides of the equation by $tan83\textdegree$ )

$CD=0.15962\approx0.2$

Hope this helps!

3 0

3 years ago

Plzz helppp it's due today

juin [17]

Answer:

Step-by-step explanation:

use trig functions

2 sides and 1 angle given

Sides given

hypotenuse -> x
opposite side to 30˚ -> 4

Angle

30˚

trig function associated with hyp and opp is sin

sin(x) = opp/hyp

substitute

sin 30˚ = 4/x

solve for x

0.5 = 4/x

0.5x = 4

x = 8

7 0

3 years ago

Read 2 more answers

Is 5.421 greater or less then 5.4

zavuch27 [327]

Greater than 5.4 i hate the 20 characters rule

5 0

3 years ago

Read 2 more answers

In need help please

pantera1 [17]

Answer:

->a is 2

->b is one eight

Step-by-step explanation:

one fourth dividen in two becomes one eight.

5 0

3 years ago

Which equation in slope-intercept form represents a line that is parallel to y=−4x−5 and passes through the point (0,0)?

IrinaK [193]

Answer:

$\displaystyle y = -4x$

Step-by-step explanation:

0 = 0 ± b

$\displaystyle 0 = b \\ \\ y = -4x$

* Parallel Lines have SIMILAR <em>RATE OF CHANGES</em> [<em>SLOPES</em>], so −4 remains the way it is.

I am joyous to assist you anytime.

6 0

3 years ago