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Leto [7]
2 years ago
9

Just help me on 6 and 7 please

Mathematics
2 answers:
JulsSmile [24]2 years ago
6 0

6)  \frac{9}{4} ÷ \frac{5}{8} \\ = \frac{9}{4} . \frac{8}{5}  = \frac{9.4.2}{4.5} =\frac{18}{5}

7)  2\frac{1}{2} ÷ 4\frac{1}{2} = \frac{5}{2} ÷ \frac{9}{2} = \frac{5}{2} .\frac{2}{9}=\frac{5.2}{2.9} =\frac{5}{9}

ok done. Thank to me :>

TEA [102]2 years ago
4 0
6) 9/4 divided by 5/8
9/4x5/8
9x8/4x5
72/4/5
72/20
18/5
Answer: 18/5

7) 2 1/2 divided by 4 1/2
2x2+1/2 divided by 4 1/2
4+1/2 divided by 4 1/2
5/2 divided by 4 1/2
5/2 divided by 8+1/2
5/2 divided by 9/2
5/2x9/2
5/2x2/9
5x1/9
5/9
Answer: 5/9
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BigorU [14]

Answer:

69

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4 0
2 years ago
I'm so confused, pls help
Vera_Pavlovna [14]

Answer:

x = 14      D

Step-by-step explanation:

(18x + 36) / 3 = 6x + 12

6x + 12 = -16 + 8x

-6x .                -6x

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8 0
2 years ago
Find the value of x.
enot [183]
X is 10 take that’s known 80 degrees and the fact that it is a right angle means the whole this is 90 degrees so therefore x is 10 90=80+_
6 0
3 years ago
Choices;<br> a) 21.8°<br> b) 35.2°<br> c) 45.1°
kifflom [539]

Answer:

\displaystyle a) \: {x}^{ \circ}  =  21.8 ^{ \circ}

Step-by-step explanation:

we are given opposite and adjacent

we want to figure out x°

remember that,

\displaystyle \: \tan( \theta)  =  \frac{opp}{adj}

where our opp is 5 and adj is 12.5

let \theta be x°

so

\displaystyle \: \tan(  {x}^{ \circ} )  =  \frac{5}{12.5}

\displaystyle \: {x}^{ \circ}  =  \arctan \left( \frac{5}{12.5}  \right)

by using calculator

\displaystyle \: {x}^{ \circ}  =  21.8

hence,

our answer is a

6 0
3 years ago
Which line has a slope of -5 and a y intercept at 3?
klio [65]

Answer:

You need to show a graph so we can calculate the problem.

Step-by-step explanation:

6 0
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