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zimovet [89]
3 years ago
10

Please can you work this out ( your supposed to use a calculator but mine is broken)

Mathematics
1 answer:
rosijanka [135]3 years ago
6 0

Answer:

(5.4 \times  {10}^{5} ) + (5.3 \times  {10}^{6}) \\ (0.54 \times  {10}^{6}  ) + (5.3 \times  {10}^{6} ) \\  =   5.84\times {10}^{6}  \\  = 5840000

I hope I helped you^_^

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WILL MARK BRAINLEIST PLZ HELP
Dmitry [639]

Answer:

28

Step-by-step explanation:

The scale factor is 3.5 which is found out by doing 14 divided by 4. Once you know the scale factor you simply have to do 8 multiplied 3.5 which equals 28.

8 0
3 years ago
Which expression is equivalent to the number 144?
motikmotik

Answer:

d

Step-by-step explanation:

4 0
3 years ago
Prove that :( 1 + 1/<img src="https://tex.z-dn.net/?f=tan%5E%7B2%7DA" id="TexFormula1" title="tan^{2}A" alt="tan^{2}A" align="ab
Aliun [14]

Answer:

See explanation

Step-by-step explanation:

Simplify left and right parts separately.

<u>Left part:</u>

\left(1+\dfrac{1}{\tan^2A}\right)\left(1+\dfrac{1}{\cot ^2A}\right)\\ \\=\left(1+\dfrac{1}{\frac{\sin^2A}{\cos^2A}}\right)\left(1+\dfrac{1}{\frac{\cos^2A}{\sin^2A}}\right)\\ \\=\left(1+\dfrac{\cos^2A}{\sin^2A}\right)\left(1+\dfrac{\sin^2A}{\cos^2A}\right)\\ \\=\dfrac{\sin^2A+\cos^2A}{\sin^2A}\cdot \dfrac{\cos^2A+\sin^A}{\cos^2A}\\ \\=\dfrac{1}{\sin^2A}\cdot \dfrac{1}{\cos^2A}\\ \\=\dfrac{1}{\sin^2A\cos^2A}

<u>Right part:</u>

\dfrac{1}{\sin^2A-\sin^4A}\\ \\=\dfrac{1}{\sin^2A(1-\sin^2A)}\\ \\=\dfrac{1}{\sin^2A\cos^2A}

Since simplified left and right parts are the same, then the equality is true.

3 0
3 years ago
How to work this out and answer please
olga2289 [7]
The answerrRRRRRRRRRRRRRRRRRRRR is A
6 0
3 years ago
Read 2 more answers
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N76 [4]

Answer:

Henry will get $15.77 back.

Step-by-step explanation:

20 - 4.23 = 15.77

7 0
3 years ago
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