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3 years ago

13

Which polyhedron has more faces than a hexahedron, but fewer faces than an dodecahedron?

2 answers:

timurjin [86]3 years ago

5 0

The best and most correct answer among the choices provided by your question is the fourth choice or letter D.

Octahedron (8) is a <span>polyhedron has more faces than a hexahedron, but fewer faces than an dodecahedron.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

Alenkinab [10]3 years ago

3 0

Answer:

Though answer shalt be Le Octahedron.

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The graphs below have the same shape. What is the equation of the blue<br>graph?

Semenov [28]

Answer:

the answer is d

Step-by-step explanation:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

vertex- (5,0)

focus- (5,1/4)

axis of symmetry- x=5

directrix- y=-1/4

ps. can u mark me brainliest if i get this aswer right plz????

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2 years ago

If 2(4x + 3)/(x - 3)(x + 7) = a/x - 3 + b/x + 7, find the values of a and b.

zmey [24]

Answer:

$a=3$ and $b=5$ .

Step-by-step explanation:

So I believe the problem is this:

$\frac{2(4x+3)}{x-3}(x+7)}=\frac{a}{x-3}+\frac{b}{x+7}$

where we are asked to find values for $a$ and $b$ such that the equation holds for any $x$ in the equation's domain.

So I'm actually going to get rid of any domain restrictions by multiplying both sides by (x-3)(x+7).

In other words this will clear the fractions.

$\frac{2(4x+3)}{x-3}(x+7)}\cdot(x-3)(x+7)=\frac{a}{x-3}\cdot(x-3)(x+7)+\frac{b}{x+7}(x-3)(x+7)$

$2(4x+3)=a(x+7)+b(x-3)$

As you can see there was some cancellation.

I'm going to plug in -7 for x because x+7 becomes 0 then.

$2(4\cdot -7+3)=a(-7+7)+b(-7-3)$

$2(-28+3)=a(0)+b(-10)$

$2(-25)=0-10b$

$-50=-10b$

Divide both sides by -10:

$\frac{-50}{-10}=b$

$5=b$

Now we have:

$2(4x+3)=a(x+7)+b(x-3)$ with $b=5$

I notice that x-3 is 0 when x=3. So I'm going to replace x with 3.

$2(4\cdot 3+3)=a(3+7)+b(3-3)$

$2(12+3)=a(10)+b(0)$

$2(15)=10a+0$

$30=10a$

Divide both sides by 10:

$\frac{30}{10}=a$

$3=a$

So $a=3$ and $b=5$ .

4 0

3 years ago

Read 2 more answers

pantera1 [17]

7.1 degrees.
5.7-(-1.4)
5.7+1.4= 7.1

Hope I helped!

3 0

2 years ago

Manda has $1,500 to invest. She invested this money in a certificate of deposit that pays 5.75% over 2 years. How much interest

nata0808 [166]

I think its a) 172.50 but im not exactly sure.

4 0

3 years ago

URGENT HELP !!!!!! answer correctly !!!!! Will be marking Brianliest !!!!!!!!!!!!!

anzhelika [568]

Answer:

(-2, -6)

Step-by-step explanation:

Slope: 1

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3 years ago