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Anastaziya [24]
3 years ago
6

Please help me with this question

Mathematics
2 answers:
Lisa [10]3 years ago
4 0
Fifty-four point five feet squared.
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Rufina [12.5K]3 years ago
4 0
You have two triangles and a rectangle....

The area of a triangle is bh/2 and the rectangle area is lw so

A=(4*3)/2+(3*3)/2+4(8+3)

A=6+4.5+44

A=54.5 ft^2
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What is the slope of the graph of 14x + 7y = –9?
Vera_Pavlovna [14]
We will put ur equation in y = mx + b form, and the slope will be in the m position.

14x + 7y = -9
7y = -14x - 9
y = (-14/7)x - 9/7
y = -2x - 9/7

y = mx + b
y = -2x + (-9/7)....as u can see, the -2 is in the m position and is therefore the slope.
3 0
3 years ago
Read 2 more answers
Is the answer option c?
Aleonysh [2.5K]

Answer:

yes

Step-by-step explanation:

f(x) = x^2 -1

Hope it helps!!

3 0
3 years ago
Factorise 24e^2-28e-12
Helga [31]

Answer:

4(2e - 3)(3e + 1)

Step-by-step explanation:

Given

24e² - 28e - 12 ← factor out 4 from each term

= 4(6e² - 7e - 3) ← factor the quadratic

Consider the factors of the product of the e² term and the constant term which sum to give the coefficient of the e- term.

product = 6 × - 3 = - 18 and sum = - 7

The factors are - 9 and + 2

Use these factors to split the e- term

6e² - 9e + 2e - 3 ( factor the first/second and third/fourth terms )

= 3e(2e - 3) + 1 (2e - 3) ← factor out (2e - 3) from each term

= (2e - 3)(3e + 1)

Then

24e² - 28e - 12 = 4(2e - 3)(3e + 1) ← in factored form

8 0
3 years ago
56 books; 75% decrease
Archy [21]

Answer:

14

Step-by-step explanation: Multiply 56 by 75% then subtract your product from 56

8 0
3 years ago
Read 2 more answers
Dale made a scale drawing of a house and its lot. The scale he used was 1 inch: 7 feet. The actual length of the backyard is 35
Kipish [7]

Answer:

5

Step-by-step explanation:

<em>35/7=5 </em>

8 0
3 years ago
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