MATHEMATICS COLLEGE

One number is 3 more than 3 times another. The sum of the numbers is 19. Find the two numbers.The two numbers are
and

Answers

Answer 1
Answer:

Answer:

number x

y = 3x +3

sum = x + y

19 = x + 3x + 3

19 = 4x + 3

19- 3 = 4x

16 = 4x

16/4 = x

x = 4

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An architect uses a scale of 3 4 inch to represent 1 foot on a blueprint for a building. If the east wall of the building is 24 feet long, how long (in inches) will the line be on the blueprint?

Answers

The length of the line on the blueprint of the wall will be 18 inches.

What is dilation?

Dilation is the process of increasing the size of an item without affecting its form. Depending on the scale factor, the object's size can be raised or lowered.

There is no effect of dilation on the angle.

An architect uses a scale of 3/4 inches to represent 1 foot on a blueprint for a building.

Then the scale factor of the blueprint will be

Scale factor = 3/4 inches per foot

If the east wall of the building is 24 feet long.

Then the length of the line on the blueprint of the wall will be

Length = 24 feet x scale factor

Length = 24 x (3/4)

Length = 6 x 3

Length = 18 inches

Thus, the length of the line on the blueprint of the wall will be 18 inches.

More about the dilation link is given below.

brainly.com/question/2856466

#SPJ2

Answer:

16 in.

Step-by-step explanation:

We have the ratio

How about let's make this easier.  Easier is better, right?  Let's get rid of the fraction 2/3.  We will do that by multiplying 2/3 by 3 and 1 by 3 to get the equivalent ratio of

Now we need to know how many inches there would be if the number of feet is 24:

Cross multiply to get

3x = 48 so

x = 16 in.

Which of the following must be given to prove that ΔABC is similar to ΔDBA?a. Segment AD is an altitude of ΔABC.
b. Segment CB is a hypotenuse.
c. Segment CA is shorter than segment BA.
d. Angle C is congruent to itself.

Answers

Answer:

The correct answer is option A.

Step-by-step explanation:

For the given triangles to be similar the segment AD must be an altitude of ΔABC.

We can provide a theorem for the same:

If we draw an altitude from the right angle of any right triangle, then the two triangles formed are similar to the original triangle.

Also all the three triangles are similar to each other.

Like here, in the triangle ABC, we draw an altitude from A to the side BC, thus forming 2 triangles; ΔDBA and ΔDAC. These both will be similar to ΔABC.

So, by the theorem it is proven that  ΔABC is similar to ΔDBA.

Therefore, option A is correct.
this answer is a (A) segment AD is an altitude at angle ABC

-ax+b=c Solve for x plz hurry

Answers

x=-c/a+b/a
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A _________________is a numerical value that describes a population.

Answers

Answer:

A parameter is a numerical value that describes a population.

Step-by-step explanation:

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Answer: parameter

Step-by-step explanation:

The base of a triangle is 3 inches more than 2 times the height.If the area is 7 square inches, find the base and the height. ​

Answers

Answer: 6 inches

Step-by-step explanation:

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In -5⁴ which is the base?a. 5. b. -4. c. -5. d. 4





Pick a answer please and i need answer right now help me ​

Answers

Answer:

c:-5

Step-by-step explanation:

plz mark me as brainlist

Answer:

5 is the base (sorry my answer has to be a bit longer)
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