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balandron [24]
2 years ago
7

Find the area of the composite figure:

Mathematics
2 answers:
Masja [62]2 years ago
6 0

Answer:

61 ...... maybe .........

goldfiish [28.3K]2 years ago
3 0

Answer:

49

Step-by-step explanation:

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Solve the equation
inysia [295]

Answer:

x ≈ 1.32, x ≈ - 5.32

Step-by-step explanation:

Given

x² + 4x - 7 = 0 ( add 7 to both sides )

x² + 4x = 7

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(2)x + 4 = 7 + 4

(x + 2)² = 11 ( take the square root of both sides )

x + 2 = ± \sqrt11} ( subtract 2 from both sides )

x = - 2 ± \sqrt{11}

Thus

x = - 2 - \sqrt{11} ≈ - 5.32 ( to 2 dec. places )

x = - 2 + \sqrt{11} ≈ 1.32 ( to 2 dec. places )

8 0
3 years ago
Read 2 more answers
HELP I NEED HELP ASAP
masha68 [24]

Answer:

i think it's c but I'm rly not sure on this one...

3 0
2 years ago
9. Question
ValentinkaMS [17]
Answer:

what’s the inequality? I only see the value of 20

Explanation:
8 0
3 years ago
How to factor <br> 49y^{2}-9x^{2}
lorasvet [3.4K]

Answer:

(7y + 3x)(7y - 3x)

Step-by-step explanation:

a² - b² = (a + b)(a - b)

49y² - 9x² = (7y)² - (3x)²                   {a = 7y ; b - 3x}

               = (7y + 3x)(7y - 3x)

7 0
2 years ago
Please help me! i linked the image that has the question
ycow [4]

Answer:

Step-by-step explanation:

The area of a trapezoid is the average of the parallel bases times the height.

A=h(a+b)/2 and since we have two identical trapezoids the total are will be

A=h(a+b) in this case

A=15(32+25)=855mm^2

7 0
2 years ago
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