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4 years ago

Plzzzzzzzzzzzzz answer them all

Mathematics

1 answer:

denpristay [2]4 years ago

8 0

Answer:

1.) 4 and -4.

2.) 1.25 and -1.25

3.) 2 1/4 = (I dont have any absolute value signs on my keyboard but its

2 1/4 with absolute value signs.

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Use the diagram below: H is the circumcenter of triangle BCD, BC = 18 and HD = 14. Find EH.

just olya [345]

Answer:

10.72

Step-by-step explanation:

<h3>Given</h3>

H is the circumcenter of triangle BCD,
BC = 18
HD = 14

Length of EH

<h3>Solution</h3>

Triangle BHD is isosceles, therefore BH = HD
Point E is midpoint of BC, therefore BE = 1/2BC

<u>Using Pythagorean, finding the value of EH:</u>

EH = √(BH² - BE²) = √(14² - (18/2)²) = √(196 - 81) = √115 = 10.72

7 0

3 years ago

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Last Friday Tristan had $12 over the weekend she with you some money for babysit she now has $21 how much money did you receive

mezya [45]

She received 9 more Dollars than before.

4 0

4 years ago

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Look at the two-dimensional net shown. A rectangular pyramid. The rectangular base has a length of 10 meters and height of 3 met

valentina_108 [34]

Answer: Here.

The Solid formed by the net will be a rectangular pyramid.

There are TWO sets of opposite congruent triangular faces.

The base has an area of 30m2

Step-by-step explanation: Don't listen to the B and C dude.

3 0

3 years ago

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What is the equation of this graphed line?

valkas [14]

Let's start by simply using two points from the line hmmmmm wait a second, low and behold, there are two there already labeled, so, let's use those ones then,

$\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ 0}}\quad ,&{{ 7}})\quad 
% (c,d)
&({{ 8}}\quad ,&{{ -2}})
\end{array}
\\\\\\
% slope = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{-2-7}{8-0}\implies \cfrac{-9}{8}$

$\bf \stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-7=-\cfrac{9}{8}(x-0)\implies y-7=-\cfrac{9}{8}x
\\\\\\
y=-\cfrac{9}{8}x+7$

6 0

4 years ago

Read 2 more answers

What is the period function of f(x)=1/2tan (2x+5)

soldi70 [24.7K]

Compare your f(x)=1/2tan (2x+5) to

g(x)=a*tan (bx + c).

Note how b = 2.

The period of the given tangent function is pi/b, which here is pi/2, or 90 degrees. Multiplying x by 2 horizontallyl compresses the graph of tan x by a factor of 1/2.

6 0

4 years ago

Plzzzzzzzzzzzzz answer them all ​

Plzzzzzzzzzzzzz answer them all