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Nadusha1986 [10]
3 years ago
9

6. Simplify the following expression by combining (adding together what is alike) like terms:

Mathematics
1 answer:
viktelen [127]3 years ago
8 0
6. D 
<span>"7n + 18"

7. A
</span><span>"{4, 5, 6, 8}"

</span><span>8. C<span>
"Positive Numbers"</span></span>
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Can I please get some help with 3. Please
stepladder [879]
The easiest thing to do to solve all of these is to use the quadratic equation.

\frac{-b +/-  \sqrt{b^{2} -4ac} }{2a}

The first number (the one attached to x^2) is equal to a. The second number (the one attached to x) is b. The final number (the one with nothing attached) is c. 
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4 years ago
What does "Uninsured Motorist Bodily Injury" typically cover
AfilCa [17]

Answer:

Uninsured motorist bodily injury, or UMBI, pays for medical bills, pain and suffering, lost wages if you can't work after an accident and funeral expenses after a crash with an at-fault driver who doesn't have car insurance. It may also cover you if you're hit as a pedestrian or while riding your bike.

Step-by-step explanation:

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3 years ago
What is the measure of minor arc BD?
Vaselesa [24]

Answer:

minor\ arc\ BD=100^o

Step-by-step explanation:

The picture of the question in the attached figure

we know that

A <u><em>circumscribed angle</em></u> is the angle made by two intersecting tangent lines to a circle

so

In this problem

BC and CD are tangents to the circle

BC=CD ----> by the Two Tangent Theorem

That means

Triangle ABC and Triangle ADC are congruent

so

m\angle BAC=m\angle DAC

Find the measure of angle BAC

In the right triangle ABC

m\angle BAC+m\angle BCA=90^o

substitute given value

m\angle BAC+40^o=90^o

m\angle BAC=90^o-40^o=50^o

Find the measure of angle BAD

m\angle BAD=2m\angle BAC

m\angle BAD=2(50^o)=100^o

Find the measure of minor arc BD

we know that

minor\ arc\ BD=m\angle BAD -----> by central angle

therefore

minor\ arc\ BD=100^o

8 0
3 years ago
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Step-by-step explanation:

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2 years ago
What is 4x(1+8x) Distributed
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Answer:

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Step-by-step explanation:

4x(1 + 8x) ← multiply each term in the parenthesis by 4x

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3 years ago
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