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deff fn [24]
3 years ago
5

Which equation is correct regarding the diagram of circle O? m∠XZY = (a + b) m∠XZY = (a – b) m∠XOY = (a + b) m∠XOY = (a – b)

Mathematics
2 answers:
4vir4ik [10]3 years ago
3 0

Answer: (B) m∠XZY = 1/2(a - b)

Hope that helps you

creativ13 [48]3 years ago
3 0

Answer:Answer is B

Step-by-step explanation:

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FInding the length of EB
larisa86 [58]

Answer:

EB=3.3

Step-by-step explanation:

From the diagram, triangle ABC is similar to triangle DBE.

This means that, the corresponding sides are proportional.

It was given that AC=6, DE=4, CB=5.

We want to find EB=x

Since the ratio of corresponding sides are proportional, we have:

\frac{EB}{CB} =\frac{ED}{AC}

We substitute to obtain:

\frac{x}{5} =\frac{4}{6}

Multiply both sides by 5 to get:

x=\frac{4}{6}\times 5=\frac{20}{6}=\frac{10}{3}=3.3

4 0
3 years ago
Select all the correct answers.
sukhopar [10]

Answer:

Second point (-5/2, -7/2)

First point (3/2, 17/2)

Step-by-step explanation:

We have two equations, and we want to know at wich poin are equal. Hence, we have a system of equations and the solution is nothing more that the point (x,y) where those functions intercepts.

4x2+ 7x -11=y

3x+4=y

Lets use substitute method

4x2+7x-11=3x+4

This can be re arrange as the following eq:

4x2+4x-15=0

A quadratic equation, its solution can be obtained using the below eq.

x=\frac{-b+/- \sqrt{x^{2}-4ac } }{2a}

where a=4, b=4, c=-15.

Remember, the quadratic equation as a +/- sign, meaning that you will obtain one answer using the + operator and other using the - operator.

By doing the above, we have x=-5/2 and x=3/2

By using x=3/2 in equation of line (3x+4=y)  we have y=17/2

First point (3/2, 17/2)

By using x=-5/2 in equation of line (3x+4=y) we have y= -7/2

Second point (-5/2, -7/2)

Those points are the ones where the line and the parabola intercept.

7 0
3 years ago
9(4x - 3) -23x + 35 simplify for answer will give branliest
velikii [3]

Answer:

13x+8

Step-by-step explanation:

9(4x-3) -23x+35

36x-27-23x+35

13x+8

8 0
3 years ago
There are 4680 gym members in total. 3/8 are aged 25-59 years, 2/5 are over 60 years and the remainder are under 25 years. How m
Ipatiy [6.2K]
9/40 of the members are under 25 years.
4 0
3 years ago
Read 2 more answers
If ex + e*-1= 2, then x =..
lianna [129]

<em>Note: Your equation seems a little unclear. But, I am assuming that your equation is:</em>

e^x\:+\:e^{-1}=\:2

<em>Because my solution would still clear your concept about this topic, no matter what the question is.</em>

Answer:

Please check the explanation.

Step-by-step explanation:

Given the equation

e^x\:+\:e^{-1}=\:2

subtract e^{-1} from both sides

e^x+e^{-1}-e^{-1}=2-e^{-1}

e^x=2-\frac{1}{e}

\ln \left(e^x\right)\:=\ln \:\left(2-\frac{1}{e}\right)

\:x\cdot ln\left(e\right)=\ln \:\:\left(2-\frac{1}{e}\right)

\:x\cdot 1=\ln \:\left(2-\frac{1}{e}\right)       ∵ \:\:\ln \left(e\right)=1

x=\ln \:\left(2-\frac{1}{e}\right)    

x=0.5

8 0
2 years ago
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