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Pavel [41]
3 years ago
15

What is -1 + 5(2 + 4n) = -91

Mathematics
2 answers:
pashok25 [27]3 years ago
4 0
-1 +5(2 + 4n) = -91 is
= -51/10
deff fn [24]3 years ago
3 0

Answer:

n = -5

Step-by-step explanation:

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How do you divide decimals
velikii [3]

Answer:

Step-by-step explanation:If the number you're dividing by has a decimal, move the decimal point all the way to the right counting the number of places you've moved it to. ...

Insert a decimal point in the quotient (answer) space, exactly above the decimal point in the number under the division bar.

7 0
3 years ago
Can someone help me with 3 a and b?? Thank you
polet [3.4K]
M∠ADB + m∠BDC = m∠ADC   [<span>angle addition postulate]

x + x + 10 = 60 
2x + 10 = 60
2x = 60 - 10
2x = 50
x = 50/2
x = 25

a
m</span>∠ADB = x = 25°

b 
m∠BDC = x + 10 = 25 + 10 = 35°
5 0
3 years ago
A campus radio station surveyed 500 students to determine the types of music they like. the survey revealed that 199 like rock,
Ostrovityanka [42]
<span>There are 24 who like both rock and country. There are 8 who like all 3 types, and these eight have been counted under the 24. This means that the number who like rock and country but not jazz is 24 - 8 = 16.
We are given a total of 155 who like country. We subtract the 16 who like both rock and country, and are left with 139 people who like country but not rock. (It does not matter whether they like jazz or not).
The probability is 155 out of the total of 500, so 155/500 = 31/100 = 0.31.
</span>
6 0
3 years ago
5x6-1+3=28 brackets or braces should be added
Artyom0805 [142]
5 · (6 - 1) + 3
= 5·5 + 3
= 25 + 3
= 28
7 0
3 years ago
What (3×5^2)/(5)^2 equal? Plz answer fast and with work and I will give brainliest
balu736 [363]

Answer:

The answer is 3.

Step-by-step explanation:

Given that the Indices Law is,

{a}^{m}  \div  {a}^{n}  =  {a}^{m - n}

{a}^{0}  = 1

So the expression is :

3 \times  {5}^{2}  \div  {5}^{2}

= 3 \times  {5}^{2 - 2}

= 3 \times  {5}^{0}

= 3 \times 1

= 3

4 0
3 years ago
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