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Oksanka [162]
3 years ago
14

Can you guys help me​

Mathematics
2 answers:
Alex3 years ago
6 0

Answer:

a: 8x - 24

Step-by-step explanation:

Since the ray SQ bisects the angle RST, the angle RSQ must be half of RST. Since the angle RSQ is defined as 4x-12, to find RST, multiply it by 2: 2(4x-12) = 8x-24.

natita [175]3 years ago
4 0

Answer:

would be A

Step-by-step explanation:

because bisecting means both sides equal the same. so 4x-12 times two is 8x-24. Hope this helps

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Find the area of quadrilateral ABCD. A. 27.28 units² B. 33.08 units² C. 28.53 units² D. 26.47 units²
Ludmilka [50]

Answer:

<h3>\boxed{ \boxed{ \bold{ \purple{ \sf{28.53 \:  {units}^{2} }}}}}</h3>

Option C is the correct option.

Step-by-step explanation:

For ABD

\sf{ =  \frac{2.89 + 8.59 + 8.6}{2} }

\sf{ =  \frac{20.08}{2} }

\sf{ = 10.04}

∆ ABD = \sf{ =  \sqrt{10.04(10.04 - 2.89)(10.04 - 8.59)(10.04 - 8.6)} }

\sf{  = \sqrt{10.04 \times 7.15 \times 1.45 \times 1.44 }}

\sf{  =  \sqrt{149.8891} }

\sf{ = 12.2429}

For ∆ ACD ,

\sf{s =  \frac{8.6 + 4.3 + 7.58}{2} }

\sf{ =   \frac{20.48}{2} }

\sf{ = 10.24}

∆ ACD = \sf{ =  \sqrt{10.24(10.24 - 8.6)(10.24 - 4.3)(10.24 - 7.58} }

\sf{ \sqrt{10.24 \times 1.64 \times 5.94 \times 2.66} }

\sf{ =  \sqrt{265.3456} }

\sf{ = 16.2894}

Area of quadrilateral ABCD = \sf{12.2429 + 16.2894}

\sf{ = 28.5323}

\sf{ = 28.53} units ²

Hope I helped!

Best regards!

8 0
3 years ago
Skylar plans to use $3400 to open a savings account with an annual interest rate of 1.15%. How much more interest will he earn o
Tanzania [10]

Answer:

$ 2.5

Step-by-step explanation:

Given that

Total Amount to be invested = P = $3400

Total Time of investment = t = 13 years

Rate of interest = r = 1.15 %

Lets calculate Simple interest first

As we know formula for simple interest is

A = P (1 +r)^{t}

Substituting the values

A = 3400(1+ \frac{1.15}{100} )^{13}

A =  $ 3944.9

Lets now calculate the compound interest

As we know formula for simple interest is

A = P (1 + \frac{r}{n})^{nt}

 As compound interest applies every 3 months so n =3

So,

A = 3400 (1 + \frac{1.15}{100*4} )^{13*4}

A  = $ 3947.4

Now Lets calculate how much more he will earn using compound interest.

It can be found by taking difference of compound interest and simple interest

Amount = 3947.4 - 3944.9 = $ 2.5

So Skyler must have earned 2.5 dollar more using the compound interest.

8 0
3 years ago
1. Which of the following is divisible by 2?
anastassius [24]
What are the nombers
3 0
2 years ago
If you flip the graph of the quadratic parent function, f(x) = x^2, over the x-axis, what is the equation of the new function?
Mice21 [21]

Answer:

y=-x^2

Step-by-step explanation:

Flip a function along an axis means to change its orientation considering that axis as a mirror. Since mirrors reflects all that is needed to do is apply a negative 1 to the given function, that results in a new function -x^2.

7 0
3 years ago
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For the new year, the instructor is thinking of changing his rates. The equation of the possible new rates is represented in the
Shtirlitz [24]

Answer:

(0,8)

Step-by-step explanation:

edge 2020

8 0
3 years ago
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