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Alona [7]
3 years ago
5

HELP ME PLEASEEEEEEEEEEE

Mathematics
2 answers:
Alborosie3 years ago
5 0

Answer:

2

Step-by-step explanation:

3x2=6

s=2

Plz brainly and like :D

Sav [38]3 years ago
5 0

Answer: 2

Step-by-step explanation: Hope this help :D

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A poster is to have a total area of 125 cm2. There is a margin round the edges of 6 cm at the top and 4 cm at the sides and bott
jeka57 [31]

Answer:

The correct answer is 15 cm.

Step-by-step explanation:

Let the width of the required poster be a cm.

We need to have a 6 cm margin at the top and a 4 cm margin at the bottom. Thus total margin combining top and bottom is 10 cm.

Similarly total margin combining both the sides is (4+4=) 8 cm.

So the required printing area of the poster is given by {( a-10 ) × ( a - 8) } cm^{2}

This area is equal to 125 cm^{2} as per as the given problem.

∴ (a - 10) × (a - 8) = 125

⇒ a^{2} - 18 a +80 -125 =0

⇒ a^{2} - 18 a -45 = 0

⇒ (a-15) (a-3) = 0

By law of trichotomy the possible values of a are 15 and 3.

But a=3 is absurd as a > 4.

Thus the required answer is 15 cm.

7 0
3 years ago
Read 2 more answers
When it is easier to use the point-slope form to write the equation of a line and when it is easier to use the slope-intercept f
Pani-rosa [81]
Point slope form is used when we have the information of at least two coordinates that lie on the line

For example:

Given that coordinate (3, 4) and (6, 7) lies on a straight line. 

We work out the equation of the line by substituting the two coordinates into the formula (y - y₁) = m(x - x₁) where (x₁, y₁) could be either (3, 4) and (6, 7).

We would need to use both coordinates to work out the gradient (m) by using the formula:
m= \frac{vertical distance}{horizontal distance} = \frac{y_2-y_1}{x_2-x_1}
----------------------------------------------------------------------------------------------------------------

The slope intercept form is used when we are given enough information to work out the gradient as well as the y-intercept. 

For example:
Given two coordinates (3, 5) and (0, 9)
This information can help to find the gradient and the y-intercept.
The y-intercept would be at 9 because the (0, 9)
We calculate the gradient m
Then substitute into y=mx+c which is the slope intercept form.
3 0
3 years ago
Please complete marking the first answer brainliest!
melomori [17]

Answer:

$31.56

Step-by-step explanation:

$9.85 × 4 = $39.40

$39.40 25% off is $29.55

6.75% rounded to the nearest cent 6.80%

Sales tax is $2.01

$29.55 + $2.01 = $31.56

5 0
3 years ago
What geometric shapes can you draw that have no pairs of parallel​ sides
Allushta [10]

Answer:

B

Step-by-step explanation:

Isosceles have no parallel sides, there lines go inward into each other.

6 0
3 years ago
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PLS HELP WITH THIS I WILL GIVE BRANLY
KIM [24]

Answer:

21 degrees is the answer

Step-by-step explanation:

7 0
3 years ago
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