1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dmitry [639]
3 years ago
11

PLEASEEEE HELPPP i can’t get it

Mathematics
1 answer:
sveta [45]3 years ago
8 0

Answer:

(-4, 2.5)

Step-by-step explanation:

-8/2=-4

5/2=2.5

You might be interested in
The ideal width of a safety belt strap for a certain automobile is 5 cm. An actual width can vary by at most 0.35 cm. Write and
notsponge [240]

Answer:

4.65\leq x\leq 5.35

Step-by-step explanation:

Let the actual width of belt be x

we are given that the ideal width of safety belt strap is 5 cm

So, Difference between actual and ideal = (x-5)cm

We are also given that An actual width can vary by at most 0.35 cm.

So, The difference between actual and ideal width should be less than or equal to 0.35 cm

So, |x-5|\leq 0.35

We know

x-5\leq 0.35 and x-5\geq -0.35

x\leq 0.35+5 and x\geq -0.35+5

x\leq 5.35 and x\geq 4.65

So, 4.65\leq x\leq 5.35

Hence the range of acceptable widths is 4.65\leq x\leq 5.35

8 0
3 years ago
A given line has the equation 10x + 2y = −2.
worty [1.4K]

The equation is \boxed{ \ y = - 5x + 12 \ or \ y = 12 - 5x} \ }

<h3>Further explanation </h3>

This case asking the end result in the form of a slope-intercept.

<u>Step-1: find out the gradient. </u>

10x + 2y = -2

We isolate the y variable on the left side. Subtract both sides by 10x, we get:

2y = - 10x - 2  

Divide both sides by two

y = -5x -1

The slope-intercept form is \boxed{ \ y = mx + c \ }, with the coefficient m as a gradient. Therefore, the gradient is m = -5.

If you want a shortcut to find a gradient from the standard form, implement this:  

\boxed{ \ ax + by = k \rightarrow m = - \frac{a}{b} \ }

10x + 2y = −2 ⇒ a = 10, b = 2

\boxed{m = - \frac{10}{2} \rightarrow m = -5}

<u>Step-2:</u> the conditions of the two parallel lines

The gradient of parallel lines is the same \boxed{ \ m_1 = m_2 \ }. So \boxed{m_1 = m_2 = -5}.

<u>Final step:</u> figure out the equation, in slope-intercept form, of the parallel line to the given line and passes through the point (0, 12)

We use the point-slope form.

\boxed{ \ \boxed{ \ y - y_1 = m(x - x_1)} \ }

Given that

  • m = -5
  • (x₁, y₁) = (0, 12)  

y - 12 = - 5(x - 0)

y - 12 = - 5x

After adding both sides by 12, the results is \boxed{ \ y = - 5x + 12 \ or \ y = 12 - 5x} \ }

<u>Alternative steps </u>

Substitutes m = -5 and (0, 12) to slope-intercept form \boxed{ \ y = mx + c \ }

12 = -5(0) + c

Constant c is 12 then arrange the slope-intercept form.

Similar results as above, i.e. \boxed{ \ y = - 5x + 12 \ or \ y = 12 - 5x} \ }

<u>Note: </u>

\boxed{Standard \ form: ax + by = c, with \ a > 0}

\boxed{Point-slope \ form: y - y_1 = m(x - x_1)}

\boxed{Slope-intercept \ form: y = mx + k}

<h3>Learn more </h3>
  1. A similar problem brainly.com/question/10704388
  2. Investigate the relationship between two lines brainly.com/question/3238013
  3. Write the line equation from the graph brainly.com/question/2564656

Keywords: given line, the equation, slope-intercept form, standard form, point-slope, gradien, parallel, perpendicular, passes, through the point, constant

7 0
3 years ago
Read 2 more answers
Find the area of this composite figure
ella [17]

Answer:

81 m²

Step-by-step explanation:

6x10=60

1/2(6)(7)=21

60+21=81

3 0
3 years ago
Find the perimeter of a triangle with sides 12inches, 9inches, and 15inches
ololo11 [35]
12+9+15=36 cm. perimeter is basically all the sides added up together
3 0
3 years ago
I don't understand how to do this
Masteriza [31]
The answer to the question

6 0
3 years ago
Other questions:
  • (10 points)4 5/6 + 9 5/9 =
    9·2 answers
  • Please HELP!! <br><br> WILL AWARD BRAINLEST
    11·2 answers
  • The dryer cleaning fee for 3 pairs of pants is $18 what is the constant of proportionality
    7·2 answers
  • a flower bed has the shape of a rectangle 24 feet long and 9 feet wide what is its area in square yards
    7·1 answer
  • PLEASE HELP 20 POINTS
    6·1 answer
  • a social worker is paid $264 to conduct an initial home site visit. how much does the worker earn for 8 intial site visits
    13·2 answers
  • 5 There are 150 men and 250 women in a crowd.
    9·2 answers
  • !!!PLEASE HELP ME!!!
    15·2 answers
  • Simplify: 12(3y + x)
    14·2 answers
  • Please help now oh please im begging
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!