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3 years ago

9

javier will paint the four outside walls of the birdhouse but not the bottom or the roof.What is the area that javier will paint

?

1 answer:

True [87]3 years ago

6 0

Length x width of each wall, then add

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8c + 18 = 34 please help

Elanso [62]

Answer:

2

Step-by-step explanatthe answer is 2

7 0

3 years ago

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Solve for x using the given diagram

blagie [28]

Answer:

<h2>x = 1</h2>

Step-by-step explanation:

Look a t the picture.

The triangles on the picture are similar.

Therefore the sides are in proportion:

$\dfrac{8x}{10}=\dfrac{4}{5x}$ <em>cross multiply</em>

$(8x)(5x)=(4)(10)$

$40x^2=40$ <em>divide both sides by 40</em>

$x^2=1\to x=\sqrt1\\\\x=1$

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3 years ago

How do you find the rule given a sequence of numbers?

beks73 [17]

It depends on the sequence type.

if it's a regular sequence with a first common difference, you can use the formula a+d(n-1). here, "a" is the first term, "d" is the common difference and "n" is the term number.

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3 years ago

Find the difference quotient f(x)=2x^2+5x

expeople1 [14]

Step-by-step explanation:

<u>Step 1: Find the difference quotient</u>

<u /> $f(x+h) = 2(x+h)^2 + 5(x+h)$

$f(x+h) = 2(x^2+2xh+h^2)+5x+5h$

$f(x+h) = 2x^2+4xh+2h^2+5x + 5h$

$f(x) = 2x^2 + 5x$

<em>Plug it into the formula</em>

<u>Difference Quotient:</u> $\frac{f(x+h)-f(x)}{h}$

$\frac{2x^2+4xh+2h^2+5x+5h - (2x^2+5x)}{h}$

$\frac{2x^2 - 2x^2 + 4xh + 2h^2 + 5x - 5x + 5h}{h}$

$\frac{2h^2+4xh+5h}{h}$

<em>Pull out an h</em>

<em /> $\frac{h(2h+4x+5)}{h}$

$2h+4x+5$

Answer: $2h+4x+5$

6 0

3 years ago

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Help please it’s for a test I’m so clueless!!!!!!

kumpel [21]

Answer:

h=12 A=144 sq. cm.

Step-by-step explanation:

pythagoream therom:

9^2+h^2=15^2

81+h^2=225

h^2=225-81

h^2=144

Sq. rt h^2=sq. rt 144

h=12cm

1/2(b1+b2)h

1/2(5+19)12

1/2(24)12

1/2(288)

a=144

6 0

3 years ago