3 years ago

I need help ASAP!! PLEASE EXPLAIN YOUR ANSWER

Mathematics

1 answer:

Jlenok [28]3 years ago

5 0

Answer:

Step-by-step explanation:

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Find the value of x and the value of y.

jeka57 [31]

Answer:

x = 6/√3 , y = 12/√3

Step-by-step explanation:

sin 60° = opposite /hypothenus

√3/2 = 6/y

cross multiply

√3y=6 x 2 = 12

y = 12/√3

Tan 60° = opposite/adjacent

tan 60° = √3

√3 = 6/x

√3x= 6

x = 6/√3

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4 years ago

Describe which of the two points lies on the graph of the line<br> 2x+2y=6<br> A,-4,5<br> B,6-3

Margaret [11]

B. 6, -3

2(6) + 2(-3) = 6

12 - 6 = 6

True

hope this helps

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3 years ago

Jonas builds a snow fort. He tells his friends it is 0.8 meters tall inside, but he rounded the height to the nearest tenth. Whi

Lelu [443]

Answer:

0.77

Step-by-step explanation:

If you had to round to the nearest tenth, 0.89 would round to 0.9. 0.74 would round down to 0.7. 0.85 would also round up to 0.9, which leaves the last answer, 9.77 to be rounded to 0.8. Hope this helps

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3 years ago

Please help me with this question, i need a lot of help.

vivado [14]

Answer:

The answer is C

Step-by-step explanation:

117 + 23 =140 and you have $140 in all so you spent it all

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3 years ago

What is the length of AC ?

Lelechka [254]

Triangles ABC and CDE and similar with ABC being dilated larger. This means we can use ratios to help solve for x, and then solve fo AC.

$\frac{84}{156-x} = \frac{7}{x}$
$\frac{84x}{156-x} = 7$
$84x = 7(156 - x)$
$84x = 1092 - 7x$
$91x = 1092$
$x = 12$
So, from this problem we now know that x is equal to 12. We merely need to plug that into what is given for AC and solve for AC.
AC = 156 - 12
AC = 144
Therefore, A is equal to 144.

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3 years ago