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Iteru [2.4K]
3 years ago
13

ABCD is a trapezium. Calculate the area of ABCD

Mathematics
1 answer:
son4ous [18]3 years ago
5 0

Answer:

87.5

Step-by-step explanation:

A = base1 + base2/ 2 * h

A = 10 + 15/2 * 7 = 87.5

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You’ll get 46 point if you answer this question because I really need this <br><br> 12y (x5)
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Answer If you are saying to multiply then the answer is 60y

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2 years ago
Whoever puts there answer first get brainlest
Anvisha [2.4K]

Answer:

\large Q1:\ x=18\ ft\\\\Q2:\ 6\ inches

Step-by-step explanation:

Q3.

If ΔGHI and ΔJKL are similar, then the sides are in proportion:

\dfrac{JL}{GI}=\dfrac{LK}{IH}

We have

JL = x, GI = 9 ft, LK = 24 ft, IH = 12 ft.

Substitute:

\dfrac{x}{9}=\dfrac{24}{12}

\dfrac{x}{9}=2         <em> multiply both sides by 2</em>

x=18\ ft

Q4.

We must multiply the original length by a scale factor of 3/4:

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7 0
3 years ago
Simplify the expression by factoring, showing the steps in your work.
alexdok [17]

Given:

$\frac{12 x^{2}+31 x+7}{16 x^{2}+8 x+1}

To find:

The simplified expression by factoring.

Solution:

Let us factor the numerator:

12 x^{2}+31 x+7

31x can be written as 3x + 28x.

    =\left(12 x^{2}+3 x\right)+(28 x+7)

Take 3x common in 1st two terms and 7 common in next two terms.

    =3 x(4 x+1)+7(4 x+1)

Make sure the remaining terms in the both brackets must be same.

Now, take out common factor (4x + 1).

    =(4 x+1)(3 x+7)

In the same way, factorize the denominator:

16 x^{2}+8 x+1

8x can be written as 4x + 4x.

     =(16 x^{2}+4 x)+(4x+1)

Take 4x common in 1st two terms and 1 common in next two terms.

     =4x(4 x+1)+1(4x+1)

Make sure the remaining terms in the both brackets must be same.

Now, take out common factor (4x + 1).

     =(4x+1)(4x+1)

Substitute the terms we found for numerator and denominator:

$\frac{12 x^{2}+31 x+7}{16 x^{2}+8 x+1}=\frac{(4 x+1)(3 x+7)}{(4 x+1)(4 x+1)}

Cancel the common factors.

                        $=\frac{3 x+7}{4 x+1}

The simplified expression is \frac{3 x+7}{4 x+1}.

3 0
3 years ago
HELP! My math assignment is due in 15 minutes and this question makes no sense!
Artyom0805 [142]

Answer:

470 <= W <= 530

Step-by-step explanation:

we know this because it can be 30 lower than 500 and 30 higher. w representing words gives us the answer above.

3 0
2 years ago
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Mike took a taxi from his home to the airport. The taxi driver charged an initial
Sati [7]

Answer:

B. 6

Step-by-step explanation:

SInce the total amount paid by Mike was $24, you subtract the initial amount he paid ($6) which leaves you with $18. Since the taxi driver charges $3 per mile you divide $18 by $3 to get 6 so that means Mike travel 6 miles.

8 0
3 years ago
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