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4 years ago

-1/4 in decimal form

Mathematics

1 answer:

uranmaximum [27]4 years ago

3 0

Answer:

-0.25

Step-by-step explanation:

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What is the expression of -6a + 2a + 4a

galben [10]

Answer:

answer is 12a

Step-by-step explanation:

6a+2a+4a

Simplify

Combine like terms

6a+2a+4a

12a

Solution

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3 years ago

Can you help? Yeah, u cmon help me plz. The question is on pic 1. Answers are on Pics 2 and 3.

Vladimir [108]

Answer:

Step-by-step explanation:

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3 years ago

A model ship has a mast that is 7 inches tall. A right triangular sail goes from the top of the mast to 1 inch from the bottom o

dezoksy [38]

Answer:

12 square inches.

Step-by-step explanation:

Please consider the complete question.

A model ship has a mast that is 7 inches tall. A right triangular sail goes from the top of the mast to 1 inch from the bottom of the mast. The length of the base of the sail is 4 inches. The height of the sail is along the mast. Find the area of the sail.

The sail will form a right triangle with respect to mast, whose height is 6 inches and base is 4 inches as shown in the diagram.

The area of the sail will be equal to area of triangle.

$\text{Area of triangle}=\frac{1}{2}(\text{Base}\times\text{Height})$

$\text{Area of triangle}=\frac{1}{2}(4\text{ in}\times6 \text{in})$

$\text{Area of triangle}=2\text{ in}\times 6 \text{in})$

$\text{Area of triangle}=12 \text{ in}^2$

Therefore, the area of the sail is 12 square inches.

6 0

3 years ago

Examples: Name the sets of numbers to which each number belongs.

katrin2010 [14]

Answer:
a) Integers, real, rational, whole
b) irrational real
c) rational real

explanation:
A square root with a non repeating decimal is irrational.
All numbers are real numbers.
A terminated fraction or decimal is rational.
Whole numbers are not fractions or decimals.
Integers can go on a number line.

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3 years ago

Factorise fully 9x^2 - 16y^2

dsp73

Note: a² - b² = (a-b)(a+b)

9x² - 16y² = (3x)² - (4y)² = (3x - 4y)(3x + 4y)

4 0

3 years ago