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3 years ago

What is the measure of x? Help me on this Geometry question.

Mathematics

2 answers:

AlladinOne [14]3 years ago

8 0

Answer:

21°

Step-by-step explanation:

the angles of triangle abc has to = 180 so subtract the known angles to get 21

angles bca and daf have to be the same so its 21

KonstantinChe [14]3 years ago

3 0

Answer:

$x=21$

Step-by-step explanation:

We have been given an image of two parallel lines cut by a transversal. We are asked to find the measure of x.

We know that corresponding angles of two parallel lines are equal. We can see that angle BCA and angle DAF are corresponding angles.

Let us find measure of angle BCA using angle sum property.

$54^{\circ}+105^{\circ}+m\angle BCA=180^{\circ}$

$159^{\circ}+m\angle BCA=180^{\circ}$

$159^{\circ}-159^{\circ}+m\angle BCA=180^{\circ}-159^{\circ}$

$m\angle BCA=21^{\circ}$

Therefore, the value of x is 21 degrees.

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For f(x) = 4x+1 and g(x) =x^2-5 find (f times g) (4) apex

Dafna11 [192]

Answer:

$(f o g)(4) = 45$

Step-by-step explanation:

Step 1:-

Given f(x) = 4 x+1 and g(x) =x^2-5

$(f o g )(x) = f(g(x))$

Given

$(f 0 g)(4)=f(g(4))$

$f(g(4))=f(4^{2}-5)=f(11)$

$f(11)=4(11)+1 = 45$

Therefore $(f o g)(4) = 45$

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3 years ago

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Fofino [41]

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Step-by-step explanation:

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3 years ago

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Two angles are supplementary. The measure of one angle is 4 more than 7 times the other angle. Find the measures of both angles.

mylen [45]

Answer:

The smaller angle measures 44° and the larger measures 136°

Step-by-step explanation:

Smaller angle = x

Larger angle = 3x + 4

Therefore, we have:

x + 3x + 4 = 180

4x = 180 - 4

4x = 176

x = 176/4

x = 44 ⇒ 3x + 4 = 136

The smaller angle measures 44° and the larger measures 136°

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3 years ago

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How do you do this question?

Bess [88]

"The function is decreasing":

This means the slope of the function will be negative at the given point. Anywhere the line is going down, from left to right, is decreasing. This eliminates choices A and C.

"The function is concave down":

This means the curve of the function will be open down (think of an upside down u). This eliminates choice E.

"f(x)>0":

This is anywhere the curve is above the x axis. This eliminates choice D.

The answer is Choice B) x=2.

Hope this helps!!

3 0

3 years ago

Help pls!!!!!!!!!!!!!!!!

Anastaziya [24]

ANSWER.

The correct answer is Option A

EXPLANATION.

The real number

$\sqrt{35}=5.916079783$

to 9 decimal places.

You can see that the decimals are not repeating, neither will they terminate.

Therefore the real number $\sqrt{35}$ is irrational because, the decimal does not terminate or repeat

Also note that,

$\sqrt{35}=\sqrt{5} \times \sqrt{7}$ .

That is,

$\sqrt{35}$ is a product of two irrational numbers, which still gives an irrational number.

8 0

3 years ago

What is the measure of x? Help me on this Geometry question.​

What is the measure of x? Help me on this Geometry question.