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Zinaida [17]
3 years ago
8

Help. Find the value of x to the nearest tenth

Mathematics
1 answer:
vodka [1.7K]3 years ago
6 0

I will assume that line 4 bisect line x exactly in half. This means that if we solve the last side of the triangle like seen in the pic below we will know what half of line x is

To find the length of the last side of the triangle (let's call this y) you must use Pythagorean theorem

a^{2} +b^{2}=c^{2}

a and b are the legs (the sides that form a perpendicular/right angle)

c is the hypotenuse (the side opposite the right angle)

In this case...

a = 4

b = y

c = 6

^^^Plug these numbers/variables into the theorem

4^{2} +y^{2} =6^{2}

solve for y

16 + y^{2}  = 36

y^{2} = 20

x = √20

x ≈ 4.472

^^^This is only half of x so if you double it then it will get you the full length of x

4.472 * 2 = 8.944

8.9 (D)

Hope this helped!

~Just a girl in love with Shawn Mendes

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In the last draw, the grand prize was won. If there are three winners, each would have received $ 720,000; if there are four win
larisa86 [58]

Answer:

b) 15 winners

Step-by-step explanation

if 3 winners get $720,000 each that means there is $2,160,000 total. So if each winner gets $144,000 each that means there are 15 winners.

(2,160,000/ 144,000)

5 0
3 years ago
Which pyramid has a greater volume and how much greater is its volume? ​
expeople1 [14]

Answer:

number 2

Step-by-step explanation:

3*7*6=126

4*3*10=120

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6 0
3 years ago
Kerry has a bag containing white and yellow marbles. Kerry randomly selects one marble, records the result, and returns the marb
dexar [7]

Answer:

The probability that next selection is yellow marble = 63% .

Step-by-step explanation:

Given the selection of yellow marbles = 41 times.

The selection of white marble = 24  times.

Total number of selections made = 65

Now calculate the probability that the next selection will be the yellow marble. Therefore, the probability of getting yellow marble can be determined by dividing the yellow selection by total number of selections.

\text{P(yellow)} = \frac{ \text{The selection of yellow marbles} }{ \text{ Total number of slections }} \\\text{P(yellow)} = \frac{41}{65} = 0.63 \ or \ 63 \ percent

7 0
2 years ago
Simplify the expression: 2(4 + 6f) plz help this is my end of the year assesment Thanks!
julia-pushkina [17]

Answer:

8+12f

hope this helps

have a good day :)

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Calculate the discriminant and use it to determine how many real-number roots the equation has.
Vladimir79 [104]
In a quadratic equation with the general formula of:

ax^2 + bx + c = 0

The discriminant is equal to b^2 - 4(a)(c). If the answer is a perfect square, then there are two real numbers. If not, then there are no real number root.

The discriminant for this equation is

(-6)^2 - 4(3)(1) = 24

Since 24 is not a perfect square, there are no real number roots.
4 0
2 years ago
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