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3 years ago

Find x in the picture

Mathematics

1 answer:

Sonbull [250]3 years ago

4 0

Answer:

--- x found it lol

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In ΔCDE, \overline{CE}

abruzzese [7]

Answer:

$m\angle CDE=14^o$

Step-by-step explanation:

we know that

An exterior angle of a triangle is equal to the sum of the opposite interior angles.

see the attached figure to better understand the problem

∠DEF=∠ECD+∠CDE

substitute the given values

$(4x+5)^o=(x+9)^o+(x+8)^o$

solve for x

Combine like terms

$(4x+5)^o=(2x+17)^o$

Group terms

$4x-2x=17-5$

$2x=12$

$x=6$

Find the measure of angle CDE

$m\angle CDE=(x+8)^o$

substitute the value of x

$m\angle CDE=(6+8)=14^o$

8 0

3 years ago

The equation 9 x 2 − 12 x + 4 = 0 9 x 2 − 12 x + 4 = 0 has how many different solutions?

Hatshy [7]

We have the equation:

$9x^2-12x+4=0$

so:

$a=9\qquad b=-12\qquad c=4$

and:

$\Delta=b^2-4ac=(-12)^2-4\cdot9\cdot4=144-144=\boxed{0}$

This equation has one solution.

5 0

3 years ago

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r

postnew [5]

Answer: -34738.4259228

Step-by-step explanation:

It’s a decrease because your dividing 1600e -0.1252

5 0

3 years ago

Exercise 5:It will be rectangle the JKL triangle, Show all your work and explain its answer. PLZZZZ HELP AND NO OBSURD ANSWER I

Novay_Z [31]

Answer:let me get

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Step-by-step explanation:

5 0

3 years ago

Given: m = 1/2 and b=4

dlinn [17]

Answer:

y = $\frac{1}{2}$ x + 4

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + b ( m is the slope and b the y-intercept )

here m = $\frac{1}{2}$ and b = 4, hence

y = $\frac{1}{2}$ x + 4 ← equation of line

8 0

3 years ago

Read 2 more answers