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dexar [7]
3 years ago
10

How to solve this? Please explain step by step

Mathematics
1 answer:
Andru [333]3 years ago
8 0

Answer:

Check pdf

Step-by-step explanation:

Download pdf
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Rewrite cot 80° in terms of its cofunction.
zysi [14]

Answer:

tan 10 degrees.

Step-by-step explanation:

tan x = cot (90 - x) so:

cot 80 = cot (90 - 10)

= tan 10.

8 0
3 years ago
Write an equation or system of equations to solve the problem below.
VashaNatasha [74]

Equations:

2x+105=-3x+130

<em>subtract</em><em> </em><em>2x</em><em> </em><em>from</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em>

<em>105</em><em>=</em><em> </em><em>-5x</em><em>+</em><em>130</em>

<em>Subtract</em><em> </em><em>130</em><em> </em><em>from</em><em> </em><em>both</em><em> </em><em>sides</em>

<em>-5x</em><em>=</em><em> </em><em>-25</em>

<em>isolate</em><em> </em><em>the</em><em> </em><em>variable</em>

<em>x</em><em>=</em><em>5</em><em> </em>

<u>Plug</u><u> </u><u>back</u><u> </u><u>in</u>

<u>2</u><u>(</u><u>5</u><u>)</u><u>+</u><u>105</u><u>=</u><u> </u><u>-3</u><u>(</u><u>5</u><u>)</u><u>+</u><u>130</u>

<u>115</u><u>=</u><u> </u><u> </u><u>115</u>

5 0
3 years ago
Write the following percents as both fractions and decimals.
wolverine [178]

Answer:

1/4, 0.25

13/40, 0.325

1/25, 0.04

3/4, 0.75

13/200, 0.065

1 1/4, 1.25

1/8, 0.125

1/500, 0.002

3/400, 0.0075

107/100, 1.07

21/10, 2.10

9/40, 0.225

4 0
3 years ago
Plsss help me pleaseee with right answers xoxo
kondaur [170]

Answer:

17

Step-by-step explanation:

503km

3hr

503/3

16.67

17 should be your average speed

Once you divide it you have to Round the number it gives you so you get a hole number and since 6 is higher then 5 it rounds to 17

if I'm right can I get brainliest please

5 0
3 years ago
A meteorologist reported that in the month of April there were 3 inches more rainfall than normal. Write an integer to represent
BartSMP [9]

Answer:

3

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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