30m of material costs £210.how much would 18 m of this material cost?

Answer:

[tex]-\frac{5}{8} (-3 + -7) = -\frac{5}{8}(-3) + -\frac{5}{8}(-7)[/tex]

The expression after applying distributive property is [(-[tex]\frac{5}{8}[/tex]) × (-3)] + [(-[tex]\frac{5}{8}[/tex] ) × (-7)] = 50/8

Distributive property shows us how to multiply an arithmetic number or an algebraic expression with two or more numbers or expressions within brackets.

This can be symbolically represented as :

X ( Y + Z ) = XY + XZ

The expression given here is -[tex]\frac{5}{8}[/tex] (-3 + (-7)).

Applying distributive property, we get,

-[tex]\frac{5}{8}[/tex] (-3 + (-7)) =  [(-[tex]\frac{5}{8}[/tex]) × (-3)] + [(-[tex]\frac{5}{8}[/tex] ) × (-7)]

                  = (15/8) + (35/8)

                  = 50/8

The expression -[tex]\frac{5}{8}[/tex] (-3 + (-7)) after applying distributive property changes to the expression [(-[tex]\frac{5}{8}[/tex]) × (-3)] + [(-[tex]\frac{5}{8}[/tex] ) × (-7)] = 50/8.

To learn more on distributive property, click:

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Answer:

28

Step-by-step explanation:

48/3=16

48-16=32

32-4=28

Answer:

Domain = {1,2,3,4,5,6} and Range = {42,49,56,63,70,77The given function is :

y = 7x + 35

Where

x is no of members

y is the monthly cost

Your group has enough money for up to six members to joim fitness club. It means domain (the set of input values) are:

Domain = {1,2,3,4,5,6}

Put x = 1 to 6 one by one,

y = 7(1) + 35 = 42

y = 7(2) + 35 = 49

y = 7(3) + 35 = 56

y = 7(4) + 35 = 63

y= 7(5) + 35 = 70

y = 7(6) + 35 = 77

Range = {42,49,56,63,70,77}

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4

answe

Answer:

13)

Domain: -1 ≤ x ≤ 3

Range: -8 ≤ y ≤ 8

14)

Domain: 2 < x < 7

Range: 1 < y < 6

15a)

Independant: x

Dependant: y

15b)

Domain ­ {1, 2, 3, 4, 5, 6}

Range ­ {42, 49, 56, 63, 70, 77}

Hope it helps <3

Answer:

They should be the same as abc because it is just translated across the y axis if we were on a grid.

Step-by-step explanation:

Hello There!

There are [tex]52[/tex] weeks in a year. Hope this helps

Answer:

Taco: $1.25

Burrito: $2.75

Step-by-step explanation:

Let x = tacos

y = burritos

Since the first family bought 2 burritos, we multiply y by 2; we multiply x by 3 since they bought 3 tacos.

3x + 2y = 9.25

We do basically the same thing for the other family

7x + 4y = 19.75

We'll use elimination method to solve this

7x + 4y = 19.75

3x + 2y = 9.25

Multiply the bottom equation by -2

7x + 4y = 19.75

(3x + 2y = 9.25)-2

7x + 4y = 19.75

-6x - 4y = -18.5

Now subtract the equations and we get this

x = 1.25

A taco costs $1.25

Plug the new x into one of the original equations

3(1.25) + 2y = 9.25

3.75 + 2y = 9.25

- 3.75         - 3.75

2y = 5.5

2y/2 = 5.5/2

y = 2.75

A burrito costs $2.75

Answer:

a) f(x) = 5x - 3

b) f(x) = 23x + 12

Step-by-step explanation:

Simply replace the variable y with f(x)

Answer:

A is 4

B is -2

Step-by-step explanation:

Answer:

n = 100

Step-by-step explanation:

-n + 55 =-45

separate the numbers from the variable

-n = -100

multiply both sides by -1

n=100

Step-by-step explanation:

the doctor shouldnt do this as it is unproffessional

Answer:

(x,y) -> (x+1,y-7)

Answer:

Lulu spent $151.

Step-by-step explanation:

67 + 35 + 49 = 151

Answer:

Lulu spent 151$

Step-by-step explanation:

To answer this question you would have to add 67$ then 35$ and lastly 49$ which leaves you with 151$, so Lulu spent 151$. :)

67+35+49 = 151$

Answer:

4th Option

Step-by-step explanation:

y = -x +18

Hope it helps ya

Answer:

A

Step-by-step explanation:

AD and BC are parallel and AB and DC are parallel so that crosses out the two no options. The corisponding angles theorem is for is there is a tranversal  so that crosses out teh second option.

Answer:

b is 10 times greater

Step-by-step explanation:

If we multiply the first ratio by 2/2, we get 2/10. Since b=10 and c=1, b is 10 times greater.

Answer:

1.x^7

2.x^10

3.a^2

4. 5

Step-by-step explanation:

1. x^(5+2)=x^7

2.x^(5*2)=x^10

3.a^(5-3)=a^2

4. 5 * 1=5

Answer:

x power 7

x power 10

a²

1

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

Answer:

x(n) ≤ 678(n)    

Step-by-step explanation:

let n represent per night.

it cannot cost more than $678 per night (n). If x was how much you paid, it would depend on the number of nights. So that is represented by x(n). Then, add the rest of the inequality (≤678(n))and the  answer is x(n) ≤ 678(n)

please leave a “thanks” heart if this helped

Answer:

107 people

Step-by-step explanation:

Their budget is $3,500 and they have to spend $70 for the clean up fee:

$3,500 - $70 = $3430

If it is $32 per person, then find out how many $32 fit into their remaining budget of $3430

$3430 ÷ $32 = 107.1875

You can't have part of a person, so the greatest number of people they can invite is 107

Answer:

JUST MULTIPLY THE 2.5 AND 5 AND THE REST X° ,P ,0 ,AND N YOU CAN SOLVE THAT IN FORMULA OF FOIL

Step-by-step explanation:

FOIL MEANING IS F-FIRST O-OUTSIDE I-INSIDE L-LAST

HOPE IT'S HELP

Answer:

anong grade po yan?

baka alam ko po

Answer:

1/2

Step-by-step explanation:

the scale factor, is found by dividing the length of the dilated point with that of the initial points, ie

[tex] \frac{2}{4} [/tex]

[tex] \frac{1}{2} [/tex]

Answer:

31.8°

Step-by-step explanation:

sin x = 39/74

x = arcsin(39/74), which is about 31.8°.

Answer=-7

Step-by-step explanation:

0.12122... is an irrational number.

Rational numbers can be written as simple fractions while irrational numbers cannot. Therefore 0.12122 would fall into the Irrational category.