If angle A in the diagram equals 45 degrees and angle B is 4x + 5 degrees, determine the value of x. A) 10 degrees B) 25 2 degrees C) 40 degrees D) 160 degrees

Answers

Answer 1

Answer:

The value of x in the given problem is 10 degrees.

What are opposite angles?

When any two straight lines intersect each other, there are different pairs of angles that are formed. The angles that are directly opposite to each other are known as opposite angles.

As we know that when two lines intersect the opposite angles are equal,

so, ∠A = ∠B

It is given that

∠A = 45°

∠B = 4x+5

So, 4x+5 = 45

4x = 40

x =10°

Therefore, The value of x in the given problem is 10 degrees.

To get more about opposite angle visit:

brainly.com/question/68367

Answer 2

Answer: A 10 degrees because 4×10+5=45

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Beverly can drive 600 miles in the same time as it takes Susan to drive 500 miles. If Beverly drives 10 mph faster than Susan, then how fast does Beverly drive?

Answers

t = D/rtimes the sameBev = Susan's time600mi/r+10 = 500mi/r
600r = 500r + 5000100r = 5000r = 50mph, Susan's speed. Beverly's is 60 mph 50+10And...checking600/60 = 500/50 = 10hr

600/x +10 =500/x Cross multiply.
600x=5000+500x
100x=5000
X=50
50+10=60
Check work. Beverly drives 60mph

PLS HELP AND I DONT HAVE A CALCULATOR WITH ME :(
a=98x21x65

Answers

First, you multiply 98*21 which equals 2058. Then, you multiply 2058 times 65 which equals 133770 and there's your answer.

the answer is
98×21×65=

133770

What is the rule for finding the ratio of the areas of two objects if you know the scale?

Answers

Answer:

The square of the scale

Step-by-step explanation:

Scaling

Suppose we know the scale of the distances, for example, r=5. It means that for each centimeter in the drawing, it corresponds to 5 cm in the real object being scaled. If we wanted to find the ratio of the areas, we would need to scale both dimensions and the ratio would be the square of the scale factor. In our example, the ratio of the areas would be 25, i.e. each square centimeter would correspond to 25 square centimeters

The rule for finding the ratio of the areas of two objects: The square of the scale

Does any thing go into 31 evenly

Answers

Other than 31 and 1, no. It's a prime number.

31 is prime only 1 and itself

What is the domain? y= -3x2+4x–6

Answers

Answer:

All real numbers.

Step-by-step explanation:

In this equation, x can stretch across the graph.

Answer:

3x2

Step-by-step explanation:

What is the answer to 7/10 of 2.5 m equals how many centimetres

Answers

think of it this way
7/10= ?/2.5
the easiest way to do this is to cross multiply and divide
2.5*7/10
=17.5/10
=1.75 m

But we are looking for cm and 1 m is the same as 100 cm do we just multiply
1.75 x 100
=175 cm

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