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3 years ago

Sorry about the x on 1 of the answers but can someone help?

Mathematics

2 answers:

polet [3.4K]3 years ago

7 0

Your answer: A line :)

romanna [79]3 years ago

6 0

Answer:

a line

Step-by-step explanation:

A line goes on forever in both directions. That is why it is represented by a line segment with arrowheads on both ends.

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A student measured the volume of an iron nail to be 0.880 cm3. She found its mass was 6.92grams. What is the density of iron?

Natali [406]

Answs,dv

Step-by-step explanation:

8 0

3 years ago

If cos A = 3 over 11, then which of the following is correct?

ziro4ka [17]

Answer: The answer is (a) sec A = 11 over 3.

Step-by-step explanation: Given that Cosine of an angle 'A' is 3 over 11,

i.e.,

$\cos A=\dfrac{3}{11}.$

And we need to find which one of the given four options is correct.

We have the following relations between cosine, secant and cosecant of an angle from trigonometry.

$\sec A=\dfrac{1}{\cos A}~~\textup{and}~~\csc A=\dfrac{1}{\sqrt{1-\cos^2 A}}.$

Therefore,

$\sec A=\dfrac{11}{3}$

and

$\csc A=\dfrac{1}{\sqrt{1-\frac{9}{121}}}=\dfrac{1}{\sqrt{\frac{112}{121}}}=\dfrac{11}{4\sqrt 7}.$

Thus, the correct option is (a) sec A = 11 over 3.

3 0

3 years ago

At the city museum, child admission is $5.30 and adult admission is $9.20 . On Monday, 166 tickets were sold for a total sales o

Sonbull [250]

C+a=166
a=166-c
5.3c+9.2a=1254.2
5.3c+9.2(166-c)=1254.2
5.3c+1527.2-9.2c=1254.2
5.3c-9.2c=1254.2-1527.2
-3.9c=-273
c=-273/-3.9
c=70
Hope this helps!

3 0

3 years ago

Please help me ASAP <br> NO LINKS or files

Bess [88]

Answer:

1 (-9, -4)

2 (-6, 2)

Step-by-step explanation:

1- when you reflect along the x axis keep the x the same and change the y.

2- when you reflect along the y axis keep the y the same and change the x.

4 0

3 years ago

Darnell has

irinina [24]

Answer:

the answer is 28

Step-by-step explanation:

345÷12=28.75

you can't have a 0.75 shirt

7 0

3 years ago

Read 2 more answers