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NNADVOKAT [17]
3 years ago
10

Quiz

Mathematics
1 answer:
Dovator [93]3 years ago
3 0

Answer:

y=21

These is no explaination

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Find the value of x.
Otrada [13]

Answer:

the value of x is 29°

hope it helps

have a nice day

5 0
3 years ago
What is the length of the altitude of the equilateral triangle below?​
ElenaW [278]

Answer:

A

Step-by-step explanation:

the height a creates with half of the baseline (5) and a leg (10) a right-angled triangle, and we can use Pythagoras to calculate a.

c² = a² + b²

c being the Hypotenuse (the side opposite of the 90° angle, so in our case the 10 side).

10² = a² + 5²

100 = a² + 25

75 = a²

a = sqrt(75) = sqrt(3×25) = 5×sqrt(3)

5 0
1 year ago
Which of the following equations has the same solution as 3x-5=5x+11?
Trava [24]
<span>3x-5=5x+11

subtract 3x to both sides

</span>3x-5 - 3x =5x+11 - 3x

<span>simplify
-5 = 2x +11

answer is </span><span>D. -5=2x+11</span>
4 0
2 years ago
Read 2 more answers
What is the value of 7(4 + x) when x = 5?
NikAS [45]

Step-by-step explanation:

❉ \underline{ \underline{ \sf{Given}}} :

  • x = 5

❉ \underline{ \underline{ \sf{To \: find}}}  :

  • value of 7 ( 4 + x )

Plug the value of x and simplify :

⟿ \sf{7(4 + 5)}

Add the numbers : 4 and 5

⟿ \sf{7 \times 9}

Multiply 7 by 9

⟿ \boxed{  \sf{63}}

\red{  \boxed{ \boxed{ \tt{⇾Our \: final \: answer : 63}}}}

Hope I helped ! ♪

Have a wonderful day / night ! ツ

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8 0
2 years ago
Please help me everytime I post this no one helps :( and I need this done soon
sasho [114]
1 I think. Tell me if that is correct
3 0
2 years ago
Read 2 more answers
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