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2 years ago

Area of a Square

Mathematics

1 answer:

Slav-nsk [51]2 years ago

8 0

The description of the area of a square is (c) as the length of the side increases, the area increases.

<h3>How to describe the area of a square?</h3>

The table of values is given as:

<u>Side Length (cm) Area (cm²)</u>

1 1

2 4

3 9

4 16

5 25

In the above table, we can see that:

As length increases, the area also increases

Hence, the description of the area is (c) as the length of the side increases, the area increases.

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What is x equal to? 4(4-3x)=4

inysia [295]

4(4 - 3x) = 4 <em>divide both sides by 4</em>

4 - 3x = 1 <em>subtract 4 from both sides</em>

-3x = -3 <em>divide both sides by (-3)</em>

8 0

3 years ago

sam has to climb to the top of the building for his firefighter training. he doesn’t know how high it is. he is 6ft y’all and hi

Virty [35]

The height of building is 35 feet

<em><u>Solution:</u></em>

Given that,

Sam is 6 feet tall and his shadow is 3.6 feet tall

The shadow of building is 21 feet long

<em><u>To find: height of building</u></em>

We can solve this by setting up a ratio comparing the height of the building to the height of the Sam and shadow of the building to the shadow of the Sam

Let us consider,

$h_b$ = height of building

$h_m$ = height of Sam

$s_b$ = shadow of building

$s_m$ = shadow of Sam

Therefore,

$\frac{\text {height of building}}{\text {shadow of building}}=\frac{\text {height of Sam}}{\text {shadow of Sam}}$

$\frac{h_{b}}{S_{b}}=\frac{h_{m}}{S_{m}}$

Substitute the values,

$\begin{aligned}&\frac{h_{b}}{21}=\frac{6}{3.6}\\\\&h_{b}=\frac{6}{3.6} \times 21\\\\&h_{b}=35\end{aligned}$

Thus height of building is 35 feet

5 0

3 years ago

1. BASEBALL For a particular baseball player, out of the

Dominik [7]

Answer:

Step-by-step explanation:

When using percentage out of a hundred, the number of percentage is the same number.

For example, if you have 30% out of a hundred it would be 30. So, 8% would be 8 instead of 10

6 0

3 years ago

Simplify negative 2 over 3 ÷ negative 7 over 4.

romanna [79]

The answer is B) -8/21

8 0

4 years ago

Read 2 more answers

Solve the quadratic equation. Show all of your steps. x 2 + 3 x − 5 = 0

AlladinOne [14]

For this case we have the following quadratic equation:

$x ^ 2 + 3x-5 = 0$

Where:

$a = 1\\b = 3\\c = -5$

We look for the solution using the following formula:

$x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}$

Substituting the values:

$x = \frac {-3 \pm \sqrt {3 ^ 2-4 (1) (- 5)}} {2 (1)}\\x = \frac {-3 \pm \sqrt {9 + 20}} {2}\\x = \frac {-3 \pm \sqrt {29}} {2}$

Thus, we have two roots:

$x_ {1} = \frac {-3+ \sqrt {29}} {2}\\x_ {2} = \frac {-3- \sqrt {29}} {2}$

Answer:

$x_ {1} = \frac {-3+ \sqrt {29}} {2}\\x_ {2} = \frac {-3- \sqrt {29}} {2}$

3 0

3 years ago