One of the base angles of an isosceles triangle is 49What is the measure of the vertex angle?

Answers

Answer 1

Answer: 180 - 2*49 = 180 - 98 = 82;

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If f(x) = 2x2 1, what is f(x) when x = 3? a 1 b 7 c 13 d 19 9 of 50

Answers

Answer:

Option (d) is correct.

The value of function $f(x)=2x^2+1$ when x = 3 is 19

Step-by-step explanation:

Given: Function $f(x)=2x^2+1$

We have to find the value of function when x = 3

Cosnier the given function $f(x)=2x^2+1$

For x = 3 , we have,

$f(3)=2(3)^2+1$

Simplify, we have,

$f(3)=18+1=19$

Thus, The value of function $f(x)=2x^2+1$ when x = 3 is 19.

Answer:

Step-by-step explanation:

Please give me the correct answer.ACE,Moderator,Genius,and Expert please help me.

Answers

Answer:

Initial value is (0 , 24) or just y = 24

Step-by-step explanation:

Initial value of a linear function is the y intercept

y = -3x + 24

x = 0, y = 24

Need help on question 13 with work and answer Can you guys check if 12 and 14 are also correct plz

Answers

13.
so out of the pool houses, how many have a hot tub
21/38=0.552=55% aprox

answer is 55%

12 is correct

14 technically, it 0 and -3, -3 could also be correct if you count the negativer root

In the figure below, segment AC is congruent to segment AB.Which statement is used to prove that angle ABD is congruent to angle ACD?
Answer

Angle CAB is congruent to angle CBA.

Angle DAC is congruent to angle DAB.

Triangle ACD is similar to triangle ABD.

Segment AD is congruent to segment AC.

Answers

Answer:

Option B is correct.

Angle DAC is congruent to angle DAB

Step-by-step explanation:

Given: Segment AC is congruent to segment AB.

In ΔABD and ΔACD

$AB \cong AC$ [Given]

[Congruent sides have the same length]

AB = AC [Side]

AD = AD [Common side]

$\angle DAC =\angle DAB$ [Angle]

Side Angle Side(SAS) Postulate states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.

Then by SAS,

$\triangle ABD \cong \triangle ACD$

By CPCT [Corresponding Parts of congruent Triangles are congruent]

then;

$\angle ABD \cong \angle ACD$

therefore, only statement which is used to prove that angle ABD is congruent to angle ACD is: Angle DAC is congruent to DAB

The right answer for the question that is being asked and shown above is that: "Angle DAC is congruent to angle DAB." The statement that is used to prove that angle ABD is congruent to angle ACD is that Angle DAC is congruent to angle DAB.

Eight times the sum of 11 and a number is 123. Which equation can be used to find the unknown number?

Answers

8 • (11+n) = 123

This is the equation you would use

How do you solve this? 18 " n=21

Answers

$18 ^(n) =21$

$log(18) ^(n)=log(21)$

$n*log(18)=log(21)$

$n= (log(21))/(log(18))$

$n=1.053$

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