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brilliants [131]
2 years ago
15

Elizabeth can jog 1 1/2 miles in 1/2 hour. How many miles can she jog in 1 hour

Mathematics
2 answers:
Nadya [2.5K]2 years ago
5 0

Answer:

3 miles

Step-by-step explanation:

1/2 hour is 30 minutes so 1.5 x 2 is 3

Sunny_sXe [5.5K]2 years ago
3 0
Check the answer below and let me know if I’m correct. If any questions just let me know.

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fredd [130]

Answer:

because the 1st corner and the 2nd corner is places in a straight line which the total agle is 180° so since the 1st corner has same angle as the 13th one the 14th is must be have same angle as the 2nd corner. so that the 1st corner + the 14th corner is equal as 180°

3 0
3 years ago
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7 0
2 years ago
Simplify: cos2x-cos4 all over sin2x + sin 4x
GrogVix [38]

Answer:

\frac{\cos\left(2x\right)-\cos\left(4x\right)}{\sin\left(2x\right)+\sin\left(4x\right)}=\tan\left(x\right)

Step-by-step explanation:

\frac{\cos\left(2x\right)-\cos\left(4x\right)}{\sin\left(2x\right)+\sin\left(4x\right)}

Apply formula:

\cos\left(A\right)-\cos\left(B\right)=-2\cdot\sin\left(\frac{A+B}{2}\right)\cdot\sin\left(\frac{A-B}{2}\right) and

\sin\left(A\right)+\sin\left(B\right)=2\cdot\sin\left(\frac{A+B}{2}\right)\cdot\sin\left(\frac{A-B}{2}\right)

We get:

=\frac{-2\cdot\sin\left(\frac{2x+4x}{2}\right)\cdot\sin\left(\frac{2x-4x}{2}\right)}{2\cdot\sin\left(\frac{2x+4x}{2}\right)\cdot\cos\left(\frac{2x-4x}{2}\right)}

=\frac{-\sin\left(\frac{2x-4x}{2}\right)}{\cos\left(\frac{2x-4x}{2}\right)}

=\frac{-\sin\left(\frac{-2x}{2}\right)}{\cos\left(\frac{-2x}{2}\right)}

=\frac{-\sin\left(-x\right)}{\cos\left(-x\right)}

=\frac{-\cdot-\sin\left(x\right)}{\cos\left(x\right)}

=\frac{\sin\left(x\right)}{\cos\left(x\right)}

=\tan\left(x\right)

Hence final answer is

\frac{\cos\left(2x\right)-\cos\left(4x\right)}{\sin\left(2x\right)+\sin\left(4x\right)}=\tan\left(x\right)

6 0
2 years ago
Factor the following expression.<br> x squared plus 14 x plus 48x2+14x+48
ASHA 777 [7]
Are you sure this is written correctly. It is not factorable as it is
5 0
2 years ago
Please help!!! The scatterplot below shows the number of bags of popcorn sold when x movie tickets are sold.
ElenaW [278]
150. 

The upper right corner is that point. You can simply read the graph.
5 0
3 years ago
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