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3 years ago

From quadrilateral ABCD is a quadrilateral with area of 48 square units, find the length of AC.

Mathematics

1 answer:

Blababa [14]3 years ago

8 0

Step-by-step explanation:

I do hope that you understand through the steps in the attachment, if not kindly reach out!

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What is the surface area of a square pyramid that has a base length of 5 inches and triangular faces that are 9 inches tall

scZoUnD [109]

Answer:

115 in²

Step-by-step explanation:

SA = Area of triangular surfaces + area of the square base

SA= 2bh + b²

SA = 2(5)(9)+5²

SA = 90+25

SA = 115

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3 years ago

What is 30 percent of 25

sweet [91]

7.5 is 30 percent of 25 because

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3 years ago

Find the value of k and x2<br> x^2+ 13x + k = 0, x1=-9

Anarel [89]

Given:

The quadratic equation is:

$x^2+13x+k=0$

$x_1=-9$

To find:

The value of k and $x_1$ .

Solution:

We have,

$x^2+13x+k=0$ ...(i)

Putting $x=-9$ , we get

$(-9)^2+13(-9)+k=0$

$81-117+k=0$

$-36+k=0$

$k=36$

Putting $k=36$ in (i), we get

$x^2+13x+36=0$

Splitting the middle term, we get

$x^2+9x+4x+36=0$

$x(x+9)+4(x+9)=0$

$(x+9)(x+4)=0$

$x=-9,-4$

Here, $x_1=-9$ and $x_2=-4$ .

Therefore, the required values are $k=36$ and $x_2=-4$ .

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3 years ago

How many sixes are equal to double 27?

Phantasy [73]

Answer:

its not sixes theres 4 sixes equal 24 so there is no answer

Step-by-step explanation:

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2 years ago

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egoroff_w [7]

Answer:

Step-by-step explanation:

to calculate mean add all the entries in a week ,then divide by 7(the number of days)

i give you hint

mean for week 1=(52+65+... +60)/7

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3 years ago

From quadrilateral ABCD is a quadrilateral with area of ​​48 square units, find the length of AC.

From quadrilateral ABCD is a quadrilateral with area of 48 square units, find the length of AC.