3 years ago

The answer options are

Mathematics

1 answer:

babymother [125]3 years ago

3 0

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Step-by-step explanation:

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Four times the number of coins in my pocket plus five more is twenty-nine. Write an equation for the number of coins in my pocke

Lynna [10]

There are six coins already in pocket, but let’s say we don’t know it.

We would figure it out by reversing the problem. Let’s start with twenty-nine. We would subtract 5, because we are reversing. Now we have 24. Now, let’s divide by four. We would get 6.

A simpler answer would be 29 - 5 [divided by] 4 = [answer]

4 0

3 years ago

Find all roots: x^3 + 7x^2 + 12x = 0<br> Show all work and check your answer.

enot [183]

Answer:

$x=0,x=-4,x=-3$

Step-by-step explanation:

The given equation is

$x^3 + 7x^2 + 12x = 0$

Factoring by x:

$(x^2 + 7x + 12)x = 0$

One of the root is x=0. Let's solve the parentheses.

Expanding the trinomial

$x^2 + 4x+3x + 12=0$

Factoring

$x(x + 4)+3(x + 4)=0$

Factoring

$(x + 4)(x+3)=0$

This will give us the two remaining roots

$x=-4,x=-3$

3 0

3 years ago

Class A has 20 pupils and class B has 19 pupils.

julsineya [31]

Answer:

47.5

Step-by-step explanation:

33+62=95

95/2=47.5

8 0

3 years ago

Trigonometry: find H

Ainat [17]

h=opposite

7.01=adjacent

note:7.01 was gotten by 20-12.99

$from \: sohcahtoa \\tan \alpha = \frac{ |o| }{|a|} \\ tan46 = \frac{ |h| }{ |7.01| } \\ 0.2086 = \frac{ |h| }{ |7.01| } \\ h = 0.2086 \times 7.01 \\ h = 1.462m$

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2 years ago

Find the measure(s) of the interior angles of the polygon.

professor190 [17]

Answer:

X = 57

3x-6 = 165

Step-by-step explanation:

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6 0

2 years ago