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nikdorinn [45]
3 years ago
15

Find the value for the given variables. Give the variables in simplest radical form. (as a square root)

Mathematics
2 answers:
eduard3 years ago
8 0

Answer:

Step-by-step explanation:

for y

take 45 degree as reference angle

using cos rule

cos 45=adjacent/hypotenuse

1/\sqrt{2}=10/y

y=10\sqrt{2}

for x

take 45 degree as reference angle

using sin rule

sin 45=opposite/hypotenuse

1/\sqrt{2}=x/10\sqrt{2}

x\sqrt{2}=10\sqrt{2}

x=10\sqrt{2}/\sqrt{2}

x=10

cluponka [151]3 years ago
4 0

x = 10 & y = 10√2

....................................

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Um litro de suco é dividido entre três amigos. O primeiro fica com 14 do todo, o segundo fica com 1/3 do total e o terceiro fica
kkurt [141]

Answer:

a) 1/24 do total

Step-by-step explanation:

We have that:

The total is 1.

The first friend gets 1/4 of the total.

The second friend gets 1/3 of the total

The third friend gets 3/8 of the total.

The remaining is x.

So

\frac{1}{4} + \frac{1}{3} + \frac{3}{8} + x = 1

The least common multiple between 4, 3 and 8 is 24. So

\frac{6 + 8 + 3*3 + 24x}{24} = 1

23 + 24x = 24

24x = 1

x = \frac{1}{24}

So the correct answer is:

a) 1/24 do total

3 0
4 years ago
Can I please get some help
Anika [276]

Answer:

a. 6.93 b. 5 c. 6.72 d. 3.46

Step-by-step explanation:

a.  √4^2- 4(4)(-2)

      Evaluate the power

    √16-4×4(-2)

      Multiply

    √16-16(-2) = √16-(-32) = √16+32 Since 2 negatives equal a positive.

      Add

    √48

      Find square root

     √48= 6.92820323028-- rounded-- 6.93

b.   √1^2-4(1)(-6)

      Evaluate the power

     √1-4(1)(-6)

       Multiply

      √1-(-24) = √1+24 Since 2 negatives equal a positive.

       Add

       √25

       Find the square root

       √25=5

c.     √1^2-4(1)(-11)

       Evaluate the power

       √1-4(1)(-11)

       Multiply

       √1-(-44) = √1+44 Since 2 negative equal a positive.

       Add

       √45

       Find the square root

       √45= 6.7082039325-- rounded-- 6.72

d.     √6^2-4(3)(2)

        Evaluate the power

        √36-4(3)(2)

        Multiply

        √36-24

        Subtract

        √12

        Find the square root

        √12= 3.46410161514-- rounded-- 3.46

3 0
4 years ago
Steve sold 36 fruit baskets for a school fundraiser. Evie sold 25% of the number of baskets that Steve sold. How many fruit bask
xeze [42]

Answer:

9 fruit baskets.

Step-by-step explanation:

Given:

Steve sold 36 fruit baskets for a school fundraiser.

Evie sold 25% of the number of baskets that Steve sold.

<u>Question asked:</u>

How many fruit baskets did Evie sell?

Solution:

<u>As given that Evie sold 25% of the number of baskets that Steve sold.</u>

Number of baskets sold by Evie = 25% of 36

                                                      =\frac{25}{100}\times36\\\\  =\frac{900}{100}\\ \\=9

Thus, 9 fruit baskets sold by Evie.

4 0
3 years ago
PLEASE HELP ME I'LL MAKE YOU BRAINLIEST!!!! In 1972, federal vehicle emission standards 3.4 grams hydrocarbons released per mile
AURORKA [14]
<h3>Answer: Approximately -0.0742857 grams per year</h3>

======================================================

Work Shown:

x = year

y = amount of hydrocarbon emissions in grams, per mile driven

m = rate of change = slope

m = (y2 - y1)/(x2 - x1)

m = (0.8 - 3.4)/(2007 - 1972)

m = -2.6/35

m = -0.0742857 approximately

The approximate rate of change is about -0.0742857 grams per year. The negative rate of change indicates the per mile hydrocarbon amount has gone down by about 0.0742857 grams each year.

5 0
4 years ago
PLS HELP asap!! The graph of an equation is shown below. Which of the following points is a solution to the equation?
Nady [450]
Your answer would be A.(0,1)
5 0
3 years ago
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