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3 years ago

Can someone help me? I'll reward points and brainalist

Mathematics

2 answers:

UNO [17]3 years ago

7 0

Answer:

135 degrees

Step-by-step explanation:

45 is for half of the square so u would add 45+45+45 or 45x3. there is a half and 1 whole square.

valentinak56 [21]3 years ago

5 0

Step-by-step explanation:

135 is the I g

forgot how to spell it but yeah

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Find the length of<br> __<br> JK<br> Round answer to nearest tenth.

PIT_PIT [208]

Answer:

Step-by-step explanation:

We would apply the law of Cosines which is expressed as

a² = b² + c² - 2abCosA

Where a,b and c are the length of each side of the triangle and A is the angle corresponding to a. Likening the expression to the given triangle, it becomes

JK² = JL² + KL² - 2(JL × KL)Cos10

JK² = 61² + 53² - 2(61 × 53)Cos10

JK² = 3721 + 2809 - 6466Cos10

JK² = 6530 - 6367.767

JK² = 162.233

Taking square root of both sides of the equation, it becomes

JK = √162.233

JK = 12.73 to the nearest tenth

6 0

3 years ago

What is the correct evaluation of 4x2 - 2x + 5, when x is equal to 2?

meriva

Answer:

Step-by-step explanation:

Rewrite the problem

4x2-2(2)+5

2. Solve the problem. Do the multiplication first and then the subtraction and addition

8-2(2)+5

8-4+5

4+5

The final answer is 9

3 0

3 years ago

What type of proof is used extensively in Geometry?

Nikolay [14]

Answer: two-column

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

If function f is the parent exponential function , what is the equation of transformed function g in terms of function f?

julia-pushkina [17]

Answer:

This problem is acually really simple.

Step-by-step explanation:

all you have to do is replace the a with a 3. SO It would look like this:

g(x)=3f(x)

hope this helps :)

8 0

3 years ago

Shawna, Dexter, and Tilana are solving the equation Negative 2. 5 (5 minus n) 2 = 15. Shawna says, "I can begin by dividing each

aleksandrvk [35]

Shawana, Dexter, and Tilana are correct.

<h2>Given that</h2>

Equation: $\rm -2.5(5 - n) + 2 = 15


$

<h3>We have to determine</h3>

Which students are correct?

<h3>According to the question</h3><h3>Equation: $\rm -2.5(5 - n) + 2 = 15


$ </h3>

The correct way to solve the equation is;

SHAWNA

Statement: Dividing each side of the equation by –2.5,

$\rm \dfrac{-2.5(5 - n) + 2 }{-2.5}= \dfrac{15}{-2.5}\\
\\
(5-n) - \dfrac{2}{2.5} = \dfrac{15}{-2.5}\\\\
\\
$

Here, Shawna is correct.

DEXTER

Statement: Distributing -2.5 to get -12.5 + 2.5 n + 2 = 15.

$\rm -2.5(5-n) +2=15\\
\\
-2.5(5) - 2.5 (-n) +2= 15\\
\\
-12.5 +2.5n +2=15$

Hence, Dexter is correct.

" Tirana says, "I can begin by multiplying each side of the equation by Negative Start fraction 1 over 2. 5 End fraction to get 5 minus n minus 0. 8 = negative 6. "

$\rm \dfrac{-1}{2.5} (-2.5 (5-n)+2)= \dfrac{-1}{2.5}\times 15\\
\\
(5-n) + \dfrac{-2}{2.5} = \dfrac{-15}{2.25}\\
\\
(5-n) -\dfrac{2}{2.5} = \dfrac{-15}{2.5}\\
\\
5-n-0.8=-6$

Hence, Tilana is also correct.

Hence, Shawana, Dexter and Tilana are correct.

To know more about Equation click the link given belwo.

brainly.com/question/13904969

8 0

2 years ago