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3 years ago

Find the perimeter and area of this rectangle

Mathematics

1 answer:

yulyashka [42]3 years ago

3 0

P = 11 + 4 + 18 + 37 + 7 + 19 = 96

a = (18*7) + (11*19) = 126 + 209 = 335

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84÷0.02 samarian Roberts is very awsome and cool

insens350 [35]

0.02 can go into 84, 4200 times. Your answer is incorrect, the correct answer is 4200.

3 0

3 years ago

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Slope intercept form of a line that has a slope of -3/4 and passes through (4, 3)

tia_tia [17]

<h3>Explanation</h3>

First Method

We have the given slope value and the coordinate point that the graph passes through.

$y = mx + b$

where m = slope and b = y-intercept. Substitute the value of slope in the equation.

$y = - \frac{3}{4} x + b$

We have the given coordinate point as well. After we substitute the slope, we substitute the coordinate point value in the equation.

$3 = - \frac{3}{4} (4) + b \\$

Solve the equation for b-term

$3 = - 3 + b \\ 3 + 3 = b \\ 6 = b$

The value of b is 6. We substitute the value of b in the equation.

$y = - \frac{3}{4} x + 6$

Second Method

We can also use the Point-Slope form to solve the question.

$y - y_1 = m(x - x_1)$

Given the y1 and x1 = the coordinate point value.

Substitute the slope and coordinate point value in the point slope form.

$y - 3 = - \frac{3}{4} (x - 4)$

Simplify/Convert into Slope-intercept

$y = - \frac{3}{4} (x - 4) + 3 \\ y = - \frac{3}{4} x + \frac{12}{4} + 3 \\ y = - \frac{3}{4} x + 3 + 3 \\y = - \frac{3}{4} x + 6$

<h3>Answer</h3>

 $\large \boxed {y = - \frac{3}{4} x + 6}$ 

6 0

3 years ago

Pls answer will mark brainliest! Ashlyn is having new hardwood flooring installed at the living room kitchen and dining room if

Alexus [3.1K]

Answer:

$580.13

Step-by-step explanation:

The area of the flooring:

A = 1/2*8*(13.5 - 7.5) + 1/2(8 + 4 + 18)(7.5) = 136.5 ft²

Cost of flooring:

136.5*$4.25 = $580.13

4 0

3 years ago

EXPONENTS: What is the value of 7 cubed? A. 14 B. 21 C. 49 D. 343

quester [9]

Answer:

Step-by-step explanation:

7*7=49

6 0

3 years ago

Read 2 more answers

If someone can pls give the answer with steps that would be greatly appreciated :)

AleksAgata [21]

Answer:

Step-by-step explanation:

Let C be the number of correct answers

Let B be the number of questions not answered

Let W be the wrong answers

Total = 2*C + B - W

It's a trinomial. There are three unrelated terms.

5 0

3 years ago