2 years ago

What is 39/40 as a decimal?

Mathematics

2 answers:

tamaranim1 [39]2 years ago

8 0

When u divide 39 on 40 you unbelievably sure will get 0.975

Cerrena [4.2K]2 years ago

4 0

39/40 as a decimal is 0.975

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I don’t understand this. Please help

svlad2 [7]

Answer:

x = 150

Step-by-step explanation:

(n-2)180 (n = the amount of sides)

(12 - 2)180

(10)180

1800

1800/12 = 150

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2 years ago

Write each fraction as a unit fraction<br> 12/84<br> 13/143<br> 23/138

alexandr1967 [171]

A unit fraction is a fraction whose numerator is 1.

$\frac{12}{84}=\frac{12 \div 12}{84 \div 12}=\frac{1}{7} \\ \\
\frac{13}{143}=\frac{13 \div 13}{143 \div 13}=\frac{1}{11} \\ \\
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3 years ago

Simplify the expression to a + bi'form:<br> (1 - 5i)(5 +6i)

lions [1.4K]

$(1 - 5i)(5 + 6i) \\ = 5 + 6i - 25i - 30 {i}^{2} \\ = 5 - 19i + 30 \\ = 35 - 19i$

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2 years ago

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(−19, 12), (−9, 1) Find the slope of the line through each pair of points.

Alchen [17]

Answer:

-11/10

Step-by-step explanation:

Slope = rise/run

m = (12-1) / (-19-(-9))

m = -11/10

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2 years ago

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PLEASE HELP Which line has an x-intercept of -5 and a y-intercept of 3?

anygoal [31]

Answer:

the first answer or a

Step-by-step explanation:

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2 years ago