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3 years ago

Why do we use equations in math?

Mathematics

2 answers:

kakasveta [241]3 years ago

5 0

Answer:

To help us understand the problem we are supposed to be solving. Plus it makes it easier for us to solve the equation.

Step-by-step explanation:

Vilka [71]3 years ago

3 0

Answer:

Why not

Step-by-step explanation:

You might be interested in

Need help ASAP!! (Geometry) *Attachments*

11111nata11111 [884]

Answer:

option b 5√2

option a 20

option c 4

option d 3/4

option b 3

Step-by-step explanation:

To solve all these questions we will use trigonometry identity which says that

sinΔ = opposite / hypotenuse

sin45 = 5 / KL

Kl = $\frac{5}{\frac{\sqrt{2}}{2} }$

KL = 5√2

TanФ = opp / adj

Ф = Tan^-1(5/14)

Ф = 19.65

≈ 20

sin(30) = rq / 8

rq = sin(30)(8)

rq = 4

tan(Ф) = 6/8

angle 3

4 0

3 years ago

Write the slope-intercept form of the equations x=-3 and x=5

Nikolay [14]

Step-by-step explanation:

The slope-intercept form of an euqtion of a line:

y = mx + b

m - slope

b - y-intercept

x = a (a - any real number)

It's the equation of a vertical line. A vertical line has an undefined slope. They also do not have a y-intercept, because they run parallel to the y axis.

Therefore given equations can not write in the slope-intercept form.

7 0

3 years ago

Solve for r. (-3,r) and (2,14) m = 5

Jobisdone [24]

Answer:

r = -11

Step-by-step explanation:

14-r ÷ [2-(-3)] = 5

cross-multiply:

14-r = 5*5

14-r = 25

-r = 11

r = -11

3 0

3 years ago

What is this -5g-13g=54?

-BARSIC- [3]

The answer is -3. Now I just got 100 points!!!

4 0

3 years ago

Read 2 more answers

A bookstore decides to divide its space into three sections: nonfiction books, novels, and stationery. The bookstore wants to de

Colt1911 [192]

Answer:

Stationery section will be 4 feet wide.

Step-by-step explanation:

Total area of bookstore = 288 sq ft

Area to be devoted to stationery = $\frac{1}6$ of total area = $\frac{1}{6} \times 288 = 48\ sq\ ft$

Length of stationery section = 12 ft

To find:

Width of stationery section = ?

Solution:

First of all, let us have a look at the area of rectangle:

$A = Length \times Width$

Here, we are given the length for stationery section and area of stationery section has been calculated above.

And we have to find the Width of stationery section.

So, let us put the two values to find the third value.

$\Rightarrow 48 = 12 \times Width\\\Rightarrow Width = \dfrac{48}{12}\\\Rightarrow \bold{Width = 4\ ft}$

So, the answer is:

Stationery section will be 4 feet wide.

3 0

3 years ago