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sammy [17]
3 years ago
8

Find the value of x. If necessary, round to the nearest tenth.

Mathematics
1 answer:
matrenka [14]3 years ago
3 0
The value of x is 6.9 because when you multiply 6.9 by 6.9 then you get the answer of 47.61 inches
This answer was the closest to 47 out of all of them so I believe that this sis the correct answer! If there’s any confusion plz let me know and I’ll be happy to assist you when I can! Hope this helps
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The diagonals of a rhombus are 30cm and 16cm. Find its area, the length of a side and its perimeter.​
Free_Kalibri [48]

Answer:

Area = 1/2 × product of diagonalsso area = 1/2 × 30 ×16 = 240 cm²

also diagonals bisect each other at right angles so 1/2×30= 15cm,, 1/2× 16 = 8cm

therefore by pythagoras theorem,

{15 }^{2}+ {8}^{2}= {side}^{2}\sqrt{289 = side}

side = 17

Perimeter = 4×17 =68 cm.

5 0
2 years ago
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Pls help (giving brainliest to first answer)
masha68 [24]

Answer:

(0, -7) and (5, 0)

Step-by-step explanation:

y-intercept is when x = 0, therefore (0, -7)

x-intercept is when y = 0, therefore (5, 0)

6 0
2 years ago
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All the names that apply to the number -1.5
Blababa [14]
-3/2 -15/10 this is called a negative number. Negative 1 and 5 tenths
8 0
3 years ago
Find f^-1(x) <br><br> A<br> B<br> C<br> D
inna [77]

<u><em>Answer:</em></u>

D. f⁻¹(x) = 2x + 10

<u><em>Explanation:</em></u>

<u>The given is:</u>

f(x) = \frac{1}{2}x - 5

<u>To find the inverse, follow the below procedures:</u>

<u>1- Convert f(x) to y. </u>

<u>This will give:</u>

y = \frac{1}{2} x - 5

<u>2- Swap the x and y variables.</u>

<u>This will give:</u>

x = \frac{1}{2}y - 5

<u>3- Solve for y.</u>

<u>This will give:</u>

x = \frac{1}{2}y - 5\\ \\ \frac{1}{2}y = x+5\\ \\ y = 2x+10

<u>4- Replace the y in the above step with f⁻¹(x).</u>

<u>This will give us:</u>

f⁻¹(x) = 2x + 10

Hope this helps :)

8 0
3 years ago
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Find the solution(s) for x in the equation below.
Maru [420]

The answer is C.) x = 7; x = -6

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3 years ago
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