If y varies directly as x, and y =6 when x =10, find x when y=18

Answers

Answer 1

Answer:

X=30

Step-by-step explanation:

y=kx

6=10k

k=0.6

y=0.6x

18=0.6x

X=18/0.6

x=30

Answer 2

The value of x when y = 18 is 30.

What is Direct Variation?

Direct variations are defined as the functions of the form y = kx, where k is a constant.

Here when y increases, x increases and if y decreases, x also decreases.

Given that y varies directly as x.

That is the equation relating y and x can be written as,

y = kx, for some constant k.

Given that,

When x = 10, the value of y = 6.

Substitute in the equation.

6 = 10k

k = 6/10 = 3/5

Now we have to calculate the value of x when y = 18.

Substitute the found values and given values in the equation.

18 = (3/5) x

x = (18 × 5) / 3

x = 30

Hence the value of x is 30 when y = 18.

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Related Questions

According to exponent rules, when we multiply the expressions we __ the exponents

Answers

Answer:

Add

Step-by-step explanation:

A triangle has one side measuring 5 feet and two sides measuring 7 feet. What kind of
triangle is it?
equilateral
isosceles but not equilateral
scalene

Answers

Answer:

isoceles but not equilateral

Step-by-step explanation:

it has two sides that are the same length, but not all three sides are the same length

An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides equal

Solve for x. -3/4 (x+2) =6

Enter your answer in the box.

Answers

Answer:

x= -10

Step-by-step explanation:

-3/4 (x+2) =6

multiply by -4/3

(x+2) = -8

Subtract 2

x= -10

Hope that helps!

Answer: x=30

Step-by-step explanation:

Helpppp.....................................................

Answers

Answer:

6 and 8 are yes

Step-by-step explanation:

-4 and -6 are no

Answer:

sorry for this answer

Step-by-step explanation:

Do you have PC ?

Hello, look at the picture I established at the bottom I will be giving you thanks, 5 stars, and brain least, Thank you. Have a nice afternoon!

Answers

Answer:

I think B 10 diamond and 12 circles

Step-by-step explanation:

Please help me asap!!!!!!! Please

Answers

Answer:

the cube is  bc 6 times 5 is 30 and the triangle is 2 because its the same length as the height

Step-by-step explanation:

Which of the following situations are equal to 90%? Select all that apply. A) 18 out of 24 B) 18 out of 20 C) 36 out of 40 D) 54 out of 60 E) 81 out of 90​

Answers

C)36 out of 40

Bob. nmmnkgfdt

Answer:

Option b,c,d and e are right

Step-by-step explanation:

a ) 18 / 24 x 100 = 75 %

b) 18/ 20 x 100 = 90%

c) 36/ 40 x 100= 90%

d) 54/ 60 x 100 = 90%

e) 81/90 x 100 = 90%

I hope im right!!! ;)

£16.80 in the ratio 2:1

Answers

Answer:

1u--> 5.60

2u--> 11.20

Step-by-step explanation:

3u--> 16.80

1u--> 5.60

2u--> 11.20

Answer:£11.20 : £5.60

Step-by-step explanation:

£16.80 in the ratio 2 : 1

add both sides of the ratio together to get 3

now divide £16.80 by 3 to get £5.60

now put that £5.60 into

                                         2 : 1                            £5.60 x 2 : £5.60 x 1                                   £11.20 : £5.60

Solve the system by graphing.

y=2x+4
y=-x+1

Answers

Answer:

Step-by-step explanation:

I will mark you as the brainiest if you get this correct Thx so much xxx

Answers

Answer:

the answer is 50/9

other forms

5 5/9

Answer:

5 5/9

Step-by-step explanation:

8+7*6

----------

3*3

8+42

-----------

9

50

----------

9

   5

5  -

   9

An athletic director pays $60 for 12 sun visors for the softball time. How much more will the athletic director pay to buy 15 sun visors? The athletic director will pay $
to buy 15 more visors. fill in the blank

Answers

Answer:

he pays 75 dollars for 15 visors

Step-by-step explanation:

Cindy bought 5 dresses for $20 each and 3 pairs of shoes for $20 each. She used this expression to calculate the total amount she spent.(5 × 20) + (3 × 20) What is another expression to calculate the total amount spent?

Answers

Answer:160 dollars

Step-by-step explanation: 5x20 is 100 plus 3x20 is 60 which makes 160

Please help with this one i will glady appreciate it ASAP :)

Answers

Answer:

d. both b and c are not functions, and a is just a chart, not a function.

35
53"
X
Find the value of x. Round your answer to the nearest tenth.

Answers

Answer:

x = 26.4

Step-by-step explanation:

Here, we want to get the value of x

To get this, we are to use the appropriate trigonometric ratio

From the question, we have the opposite and the adjacent

The trigonometric ratio to use in this case is the tangent

Mathematically;

Tan 53 = 35/x

x = 35/tan 53

x = 26.37

which is 26.4

Use the GCF (Greatest common factor) to factor the expression 2x + 8

Answers

Answer:

2(x+4)

Step-by-step explanation:

to factor an expression, you need to take out the gcf.

the answer would be

2(x+4)

Please help! 58 points for both questions and explain how to get the answer!

Answers

Answer:

number 2 is c

number 1 is d?

Step-by-step explanation:

because if it a has been 1 minute(m=1) the 35(1)=w --> w=35 for for one minute there is 35  words 35m=w

for 1 i cannot see, but if d says 3/4 and x=3/4 then d is the answer

Answer:

(For your second question.):

35w=m

Step-by-step explanation:

Why?

It states in the problem itself that miles types 35 words per minute.

"w" stands for words

'm' stands for minutes.

The constant rate relies on the clearest data after all. The equation itself is enough!

Remember: 1 min = 60 seconds.

Two planes A and B start from the same place and move in different directions making an angle of 50° between them the speed of plane A is 200 mph and the speed of plane B is 300 mph the two planes are blank miles apart after one hour?

Answers

Answer:

The distance between them is 230.65 miles

Step-by-step explanation:

Here we use the Cosine formula

[tex]a^2 = b^2 + c^2 - 2bc\ cos\ A\\\\a^2 = 200^2 + 300^2 - 2\times 200\times 300cos50^{\circ}\\\\= 40,000 + 90,000 - 120,000cos50^{\circ}\\\\= 130,000 - 120,000 \times 0.64\\\\= 130,000 - 76,800\\\\a^2= 53,200\\\\a = \sqrt{53,200} \\\\= 230.65\ miles\ per\ hour[/tex]

Now the distance for one hour is

= 230.65 ÷ 1

= 230.65 miles

20+ points and brainliest in exchange for a couple of minutes of your time.

Answers

Answer:

Question 10: 25 Question 9: 60

Step-by-step explanation:

Angles share a line. 180-105=75

75/3=25

----------

Is the line at the bottom of question 3 the right side or left?

This is for today can someone help me!!

Answers

Answer:

It's the third one!!

Step-by-step explanation:

grs

A paperweight in the shape of a rectangular prism is shown: A right rectangular prism is shown with length 10 cm, width 4 cm, and height 4 cm. If a cross section of the paperweight is cut diagonal to the base, which shape describes the cross section?

Answers

Answer:

Square

Step-by-step explanation:

CHECK THE ATTACHMENT FOR THE FIQURE OF THE QUESTION

✓We were given the dimension of the rectangular prism as 10cm × 4cm × 4cm,

✓The cross section of the paperweight can be cut into half to it's base. Then the new dimension will be 4cm × 4cm which is a quadrilateral.

✓ Then width= 4cm, and height=4 cm are of the same values, hence the shape it forms is a SQUARE. and also the their angles is 90° each.

Solve the system of polynomial functions given
h(x) = x^4 + 1
g(x) = x^3

Answers

Answer:

a)h=x^3 b)g=x^2

Step-by-step explanation:

1.) Eric is twice as tall as Kevin. Kevin is also three feet shorter than Eric.
a. Use mathematical sentences to represent all of the information in this problem.
b. Find each boy's height. HINT: Can you represent both boys with ONE variable?

Answers

I think it’s B tryna help

Which is greater 0.9 or 0.875 ?

Answers

I’m pretty sure it’s 9.0

if a loan is taken out for $991 at 3% and cost 267.57 dollars how long was the loan for

Answers

Answer:

9 years.

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 3%/100 = 0.03 per year,

then, solving our equation

t = 267.57 / ( 991 × 0.03 ) = 9

t = 9 years

The time required to

accumulate simple interest of $ 267.57

from a principal of $ 991.00

at an interest rate of 3% per year

is 9 years.

name each of the shapes below​

Answers

1Wht2

2The3

3Frick4

4Is5

5that6

The name of the shape in the figure is a hexagon.

What are polygons?

A polygon is often a plane figure in geometry that is enclosed by a closed chain made up of a finite number of straight-line segments that end in a loop. The spots where two of these segments meet are referred to as the polygon's vertices (plural: vertices) or corners. These segments are known as its edges or sides.

Given a shape,

the shape is a polygon,

to name a polygon first count the number of sides of the figure,

as we count there are 6 sides for the shape,

There are some specific names for the shapes according to their number of sides, like

Number of Sides Name          

3                      Triangle                    

4                 Quadrilateral

5                    Pentagon

6                     Hexagon

The name for the shape is Hexagon.

Hence the name of the figure is Hexagon.

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Which of the following regular polygons circumscribed about a circle provides the best estimate for the area of that circle?

Dodecagon
decagon
nonagon
octagon

Answers

hi i need more informacion :)01927. i tgink is octagon

Which does NOT represent the interior angle measures of a triangle?
O A. 5°, 75°. 100°
B. 10°,80°, 90°
OC. 20°, 60°, 100
O D. 45°, 45°, 45.
ос
E 50°, 509,80"

Answers

Answer:A

Step-by-step explanation:

Interior angles of a triangle ALWAYS have to be equal to 180

The sum of A is 180, however, those angles wont work because they have to be more close to eachother for it to be possible

The Triangle Inequality Theorem states the longest side must be shorter than the sum of the other 2 sides

E since the sum of interior angles for a triangle is equal to 180 degrees.

Someone pleaseee help me on this :( what is the slope of the line that contains these points.

Answers

Answer:

6/1

Step-by-step explanation:

the reason is because the x is increasing by 1 which is the denominator, and the y is also increasing by 6 which is the numerator. if you were to imagine those lines on a graph you would get a straight line and use rise over run to see that the slop is in fact 6/1

Here I hope this helps the image also gives an explanation on how to do it!

HELP FAST! WILL GIVE BRANLIEST

Answers

Answer:

70 degrees

Step-by-step explanation:

uvt = 60 degrees bc 180-120 =60

60+ 50 = 110

180-110 degrees = 70

To Be Honest I Dont Know

I'm just here for the points :P

heheheehe

How many quarts are in 10 cups​

Answers

Answer:

There's 2.5

Step-by-step explanation:

4 cups is equal to 1 quart

So that means 8 cups is equal to 2 quarts

If we add 2 more cups then we would add 0.5 more quarts.

This means that 10 cups is 2.5 quarts.

Answer:

2.5 quarts

Step-by-step explanation:

since there are 0.25 quarts in one cup. you have to multiply 2.5 by 10. hope this helps*

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