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Debora [2.8K]
2 years ago
12

The image below is a kite. Find the value of x.

Mathematics
1 answer:
polet [3.4K]2 years ago
4 0

Answer:

x=55.5

Step-by-step explanation:

2x=111

Isolate x by dividing both sides by 111

x=55.5

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Evaluate the expression 2b^3+5 (BTW I did the first part it's 3 but I need the second part)​
andrey2020 [161]

To find the exact answer based on the last step, "2(3)^3+5", you must use PEMDAS (attached image below)

 

          2(3)^3+5=2*27+5=54+5=59

Thus the answer is <u>59</u>.

Hope that helps!

         

4 0
2 years ago
What is the answer to 5x + 2 = 3x
3241004551 [841]

Answer:

  • x = -1

Explanation:

5x + 2 = 3x

5x - 3x = -2

2x = -2

x = \dfrac{-2}{2}

x = -1

Hope this helps! ☺

4 0
3 years ago
Read 2 more answers
In a set of 3 numbers the first is a positive integer, the second is 3 more than the first and the 3rd is a square of the second
Molodets [167]

Given:

In a set of 3 numbers the first is a positive integer, the second is 3 more than the first and the 3rd is a square of the second.

To find:

The equation for the given situation if the sum of the numbers is 77.

Solution:

a. Let the first number in the set is x.

The second is 3 more than the first. So, the second number is (x+3).

The 3rd number is a square of the second. So, the third number is (x+3)^2.

Therefore, the first, second and third numbers are x,(x+3),(x+3)^2 respectively.

b. The sum of the numbers is 77.

First number + Second number + Third number = 77

c. So, the equation in terms of x is:

x+(x+3)+(x+3)^2=77

Therefore, the required equation is x+(x+3)+(x+3)^2=77.

d. On simplification, we get

x+x+3+x^2+6x+9=77                   [\because (a+b)^2=a^2+2ab+b^2]

x^2+(6x+x+x)+(3+9)=77

x^2+8x+12=77

Subtract 77 from both sides.

x^2+8x+12-77=77-77

x^2+8x-65=0

Therefore, the simplified form of the required equation is x^2+8x-65=0.

6 0
2 years ago
A hexagonal pyramid is cut by a plane as shown in the diagram. What is the shape of the resulting cross section? see diagram
Alenkasestr [34]

From the diagram you can see that plane cuts each lateral face of hexagonal pyramid and do not cut the base. A hexagonal pyramid has six lateral faces. The intersection of each of these lateral faces with given cutting plane is segment. The figure which consists of these segments is hexagon. This hexagon is not the same as base and even is not similar to the base because the cutting plane is not parallel to the base.

Answer: resulting cross section is a hexagon, correct choice is option 4.

9 0
3 years ago
Read 2 more answers
HELP WILL GIVE BRAINLIEST
SVEN [57.7K]

Answer:

5/8 = 20/32

Step-by-step explanation:

if you multiply the denominator and the numerator of 5/8 by 4 it will equal 20/32

4 0
2 years ago
Read 2 more answers
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