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3 years ago

Why -2 is a natural number not a whole number

Mathematics

1 answer:

noname [10]3 years ago

4 0

It's a natural number because it has the negative symbol

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Does anyone know how to solve a system of linear equations using elimination? I am having a hard time on how to do it for differ

Mariana [72]

1. Multiply each equation so they end up with the same coefficient

2. Subtract your second equation from the first

3. Solve for one of the variables (I tend to solve an equation that only contains 2 variables if possible. So it would be if you have one question with x and y, solve for the easier one)

4. Substitute the variable you found in the least step into one of the other equations and find a second variable.

5. Substitute both variables you found into the last equation and there you should be left with x, y, and z :))

I hope this helped sksjsk if it didn’t I could write it out to hopefully help more :)

3 0

3 years ago

The student council raised $150 during the school dance if they charge $3per ticket and received $24 in other donations what is

IRINA_888 [86]

3t + 24 = 150 this is the answer

3 0

3 years ago

Look at the figure. Classify the pair of angles: 2 and 7

FromTheMoon [43]

Consecutive exterior angles

7 0

3 years ago

Read 2 more answers

A department store sells a pair of shoes with an 87% markup. If the store-bought

Reika [66]

Answer:

Step-by-step explanation:

55.25x.87=48.07

55.25+48.07=103.32

6 0

3 years ago

Find the surface area of the triangular prism below

laiz [17]

QUESTION: To find the surface area of the triangular Prism given in the figure.

ANSWER:

$Area \: of \: Prism = 136 \: {units}^{2}$

STEP BY STEP EXPLANATION:

In a triangular Prism there are three rectangular faces and two triangular faces

As, in the given question the prism is irregular. So, it have different area of base rectangular face than that of the two side rectangular faces.

A/C to the question,

Base of triangular face = 6 unit

Height of triangular face = 4 unit

Length of side rectangular face = 7 unit

Breadth of side rectangular face = 5 unit

Length of base rectangular face = 7 unit

Breadth of base rectangular face = 6 unit

Area of triangle = $\frac{1}{2} \times base \times height$

Area of rectangle = Length × Breadth

AREA OF PRISM = 2 × AREA OF TRIANGULAR FACE + 2 × AREA OF SIDE RECTANGULAR FACE + AREA OF BASE RECTANGULAR FACE

=> Area of Prism = $2(\frac{1}{2} \times Base \: of \: triangular \: face \times Height \: of \: triangular \: face)$ + 2(Length of side rectangular face × Breadth of side rectangular face) + Length of base rectangular face × Breadth of base rectangular face

=> Area of Prism = $2( \frac{1}{2} \times 6 \times 4)$ + 2(7 × 5) + 7 × 5

=> Area of Prism = 2(3 × 4) + 2(7 × 5) + 7 × 6

=> Area of Prism = 2(12) + 2(35) + 42

=> Area of Prism = 24 + 70 + 42

=> Area of Prism = 136 units²

5 0

3 years ago