MATHEMATICS MIDDLE SCHOOL

Use X for the Variable. The sum of five times a number and 24 is seventy-nine.

Answers

Answer 1

Answer:

Answer:

5X + 24 = 79

Step-by-step explanation:

Sum means addition.

Five times a number(X) means 5X.

So 5X plus 24 equals 79.

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Write 210 and 252 as products of prime numbers.

Answers

210 = 21 times 10 = 7 times 3 times 5 times 2
252 = 126 times 2 = 63 times 2 times 2 = 21 times 3 times 2 times 2 = 7 times 3 times 3 times 2 times 2 = 7 times 3^2 times 2^2

The sketch of this crayon represents an irregular polygon. Find the area of the figure.

Answers

The area of the irregular polygon in the sketch is: D. 40.5 cm².

What is the Area of an Irregular Polygon?

To find the area of an irregular polygon, decompose the polygon into known shapes. Find the area of each shape and add all together.

Thus:

The irregular polygon is made up of a rectangle and a triangle.

Area of the irregular polygon = area of rectangle + area of triangle.

= length × width + 1/2(base × height)

Length = 12.5 cm

Width = 3 cm

Base = 3 cm

Height = 2 cm

Area of the irregular polygon = 12.5 × 3 + 1/2(3 × 2)

= 40.5 cm²

Learn more about area of irregular polygon on:

brainly.com/question/2590710

Answer:

The answer is 40.5 (D)

Write 3 7/8 as an improper fractions

Answers

The improper fraction is 31/8

3 7/8 as an improper fraction is 31/8.

3 x 8=24, then you add the 7 and you get 31.

Persons younger than 18 years old are not eligible to vote. Let a be age in years. Which inequality models this situation?

A.
a < 18 and a may be a negative number

B.
a < 18 and a must be a positive number

C.
a > 18 and a may be a negative number

D.
a > 18 and a must be a positive number

@lloveonedirection

Answers

Younger than = less than

Less than symbol = <

People cannot have a negative age, so a must be positive

B. a < 18 and a must be a positive number

0.3
0.21
0.4
0.37
0.5

Answers

That's a handsome list of numbers you've got there.

Do you have a question to ask ?

the length of a rectangle is 2 cm more than the width. if the area of the rectangle is 24 cm2 what is the length of the rectangle?

Answers

Answer: The length is 6 and thw wodth is 4

Step-by-step explanation:

If you find two numbers that multiply to 24, you have three sets of numbers, but 6 and 4 are the only numbers that are two centimeters apart

Final answer:

The question is about finding the length of a rectangle. By creating and solving a quadratic equation with provided information, the width and length of the rectangle are 4 cm and 6 cm respectively.

Explanation:

The problem involves finding the length of a rectangle. To solve this, we need to consider the fact that we know information about the dimensions and area of the rectangle. The area of a rectangle is obtained by performing the multiplication of the length and the width. In this specific problem, it's stated that the length is 2 cm more than the width, and we also know that the area of the rectangle is 24 cm2.

Let's represent the width by x. Therefore, the length would be x+2. Since the area is the length multiplied by the width, we create the equation x*(x+2) = 24, which simplifies to x2+2x=24. Subtracting 24 from both sides, we get x2+2x-24 = 0.

This a quadratic equation and we'll solve for x using the quadratic formula, which results in x = 4 or x = -6. Since the width cannot be negative, x = 4 cm. After this, substitute the width (x) into the length equation. The length (x + 2) is 4 cm + 2 cm = 6 cm.