3 years ago

I have this for math but i don’t know how to solve it

Mathematics

1 answer:

Serhud [2]3 years ago

7 0

associative property of multiplication (a * b) * c = a * (b * c)

(3*x) *8 =3*(x*8) is the associative property of multiplication

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You buy a $75 ipod and get a 10% discount. What is the sale price?

Serhud [2]

Answer:

$67.50

Step-by-step explanation:

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3 years ago

Given the graph below, solve the system of equations. <br><br>

goldenfox [79]

Answer:

(4, 3 )

Step-by-step explanation:

Given a system of equations graphically, then the solution is at the point of intersection of the 2 lines.

The lines intersect at (4, 3 ) ← solution

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3 years ago

Which of the following trigonometric expressions is equivalent to csc(-112°)? csc(68°)

Romashka-Z-Leto [24]

Answer:

csc(-112°)=-csc(68°)

Step-by-step explanation:

Since cosec(x) and sin(x) are reciprocals of each other,

cosec(-112°)= $\frac{1}{sin(-112^{\circ})}$

= $\frac{1}{-sin(112^{\circ})}$

= $\frac{1}{-sin(180^{\circ}-68^{\circ})}$ (since 112=180-68)

= $\frac{1}{-sin(68^{\circ})}$ (since sin(180-x)=sinx)

= $\frac{-1}{sin(68^{\circ})}$ (since $\frac{a}{-b}= \frac{-a}{b}$ )

=-cosec(68°)

4 0

4 years ago

Read 2 more answers

PLEASE HELP FAST IF YOU ARE GOOD AT GEOMETRY:<br> AREA OF THESE SHAPES::

riadik2000 [5.3K]

Answer:

1)24 2)36 3)240

Step-by-step explanation:

1) area of triangle = 1/2b*h so 7*4=28 28/2=14

therefore area =24

2)9*4=36

3)15*16=240

3 0

3 years ago

Simplify the expression

Brums [2.3K]

Answer is A m^7/n^2 -----------------

8 0

4 years ago