Leyla goes shopping at Marshalls and buys”t” t-shirts that cost $12 each. She also has a $10-off coupon. Define your variable and write an expression for how much Leyla spends at Marshalls.

Answer:

1 1/4 cup

Step-by-step explanation:

Make the mixed fractions regular fractions by multiplying the outside number by the denominator and then adding it to the numerator. For example

2 3/4

2 * 4 = 8 + 3 = 11

2 3/4 = 11/4

You should get 3/2 for how much she drank.

Now make sure your denominators are the same. Multiply both the numerator and denominator of the amount she drank by two to get 6/4

Then subtract the fractions.

11/4 - 6/4 = 5/4

Now make that into a mixed fraction.

She has 1 1/4 cup left

determine the inverse k(k)=(x-2)(x-2)

Answer:

-3 is not a solution

Step-by-step explanation:

Subtstitute the possible solution into the equation and see if it is true

3x -5 = 4+2x

3(-3) -5 = 4+2(-3)

-9-5 = 4-6

-14 = -2

This is not true so -3 is not a solution

Answer:

Step-by-step explanation:

We will substitute 3 for the value of x in the equation.

[tex]{ \longrightarrow \sf \qquad 3x-5=4+2x }[/tex]

[tex]{ \longrightarrow \sf \qquad 3( - 3)-5=4+2( - 3) }[/tex]

[tex]{ \longrightarrow \sf \qquad - 9-5=4+( - 6) }[/tex]

[tex]{ \longrightarrow \sf \qquad -14=4 - 6}[/tex]

[tex]{ \longrightarrow \sf \qquad -14= - 2}[/tex]

We can see that,

[tex]{ \longrightarrow \sf \qquad L.H.S ≠ R.H.S}[/tex]

Therefore,

[tex]{ \longrightarrow \sf \qquad 3 \: is \: not \: a \: solution \:of \: equation \: ( 3x-5=4+2x) }[/tex]

Answer:

24 MINUTES!

Step-by-step explanation:

(1, 10) (5,18)

x=people y=minutes

y=2(8)+8

y=2x+8=

24 minutes

ENJOY :D

(think its possible to get brainlist? :)    )

Answer:

the answer is 24 minutes.

Step-by-step explanation:

y= 2(8)+8

y=2x+8=24 minutes

Answer:

the answer is D according to my scorrs

Answer:

216.1.4 is 4325÷20 so yup that's what I think

The result of converting 4325 to base 20 is 5

Therefore,

Converting 4325 to base 20.

4 × 20³ = 32,000

3 × 20² = 1,200

2 × [tex]20^{1}[/tex] = 40

5 × [tex]$20^{0}[/tex] = 5

Adding all to get Ans = [tex]$4325_{20}[/tex]

Hence, The result of converting 4325 to base 20 is 5

To learn more about digits of basses, refer to

https://brainly.com/question/18579738

#SPJ2

Answer:

x =  (√2)

Step-by-step explanation:

Note that this is a 45-45-90 triangle, and that

cos 45 = adjacent side / hypotenuse.  We want to find the value of x, which happens to be the adjacent side.

Recall (or look up) that cos 45 = 1/(√2).  Thus:

1 / (√2) = x / 2.  Solve for x by multiplying both sides by 2:

2 / (√2) = x

We want the answer as a fraction with ratinal denominator.  To obtain this, multiply both numerator and denominator by  (√2):

x =  (√2)

Answer:

9

Step-by-step explanation:

Answer:23

Step-by-step explanation:0.29 times 79 since 0.29 equals 22.91 we can estimate that renee will be on time to class about 23 times out of 79

Step-by-step explanation:

[tex]\large \rm \red{\widetilde{Taking\ RHS:-}}[/tex]

[tex]\rm :\longmapsto \dfrac{1}{3 + \sqrt{7}} \ + \ \dfrac{1}{\sqrt{7} + \sqrt{5}} \ + \ \dfrac{1}{\sqrt{5} + \sqrt{3}} \ + \ \dfrac{1}{\sqrt{3} + 1}[/tex]

Rationalizing, we get

[tex]\rm :\longmapsto \dfrac{1}{3+\sqrt7} \times \dfrac{3-\sqrt7}{3-\sqrt7} + \dfrac{1}{\sqrt7 + \sqrt5} \times \dfrac{\sqrt7 - \sqrt5}{\sqrt7 - \sqrt5}[/tex]

[tex]\rm + \dfrac{1}{\sqrt5 + \sqrt3} \times \dfrac{\sqrt5 - \sqrt3}{\sqrt5-\sqrt3} + \dfrac{1}{\sqrt3 + 1} \times \dfrac{\sqrt3 - 1}{\sqrt3 -1}[/tex]

[tex]\rm :\longmapsto \dfrac{3 - \sqrt7}{(3)^2 - (\sqrt7)^2}[/tex]

[tex] + \dfrac{\sqrt7 - \sqrt5}{(\sqrt7)^2 - (\sqrt5)^2} [/tex]

[tex]+\dfrac{\sqrt5 - \sqrt3}{(\sqrt5)^2 - (\sqrt3)^2} +[/tex]

[tex]\dfrac{\sqrt3-1}{(\sqrt3)^2 - 1^2}[/tex]

Given info:- Rationalisie the denominator of the following 1/(3+√7) + 1/(√7+√5) + 1/(√5+√3) + 1/(√3+1) = 1, also show that Left hand side is equal to Right hand side that means LHS = RHS.

Explanation:-

On rationalising the denominator, we get

First term: 1/(3+√7)

⇛{1/(3+√7)}×{(3-√7)/(3-√7)}

⇛{1(3-√7)}/{(3+√7)(3-√7)}

⇛(3-√7)/{(3)²-(√7)²}

⇛(3-√7)/{(3*3)-(√7*7)}

⇛(3-√7)/(9 - 7)

⇛(3-√7)/2

Second term: 1/(√7+√5)

⇛{1/√7+√5)}×{(√7-√5)/(√7-√5)}

⇛{1(√7-√5)}/{(√7+√5)(√7-√5)}

⇛(√7-√5)/{(√7)²-(√5)²}

⇛(√7-√5)/{(√7*7)-(√5*5)}

⇛(√7-√5)/(7-5)

⇛(√7-√5)/2

Third term: 1/(√5+√3)

⇛{1/(√5+√3)}×{(√5-√3)/(√5-√3)}

⇛{1(√5-√3)}/{(√5+√3)(√5-√3)}

⇛(√5-√3}/{(5)²-(√3)²}

⇛(√5-√3)/{(√5*5)-(√3*3)}

⇛(√5-√3)/(5-3)

⇛(√5-√3)/2

Fourth term: 1/(√3+1)

⇛{1/(√3+1)}×{(√3-1)/(√3-1)}

⇛{1(√3-1)}/{(√3+1)(√3-1)}

⇛(√3-1)/{(√3)²-(1)²}

⇛(√3-1)/{(√3*3)-(1*1)}

⇛(√3-1)/3-1

⇛(√3-1)/2

Hence, LHS = 1/(3+√7) + 1/(√7+√5) + 1/(√5+√3) + 1/(√3+1)

Now, Substitute their rationalised value in expression, we get

= (3-√7)/2 + (√7-√5)/2 + (√5-√3)/2 + (√3-1)/2

Take the LCM of all the denominator 2,2,2 and 2 is "2".

= (3-√7+√7-√5+√5-√3+√3-1)/2

= (3-1)/2

= 2/2

= 1

= RHS proved.

Hope this may help you.

If you have any doubt, then you can ask me in the comments.

Answer:

29.2cm²

Step-by-step explanation:

The perimeter of a square equals 4a; i.e 4 multiplied by the length of one side.

4×7.3=29.2cm²

Just a cheerful teen willing to help,

hope you find this useful...

Answer:

Step-by-step explanation:

Sorry, because of lack of punctuation and organization, I cannot determine with any confidence the price per kilo of each of the rices.

He will spend the price of one kg of African rice plus twice the price of Basmati rice.

IF

African rice = $1.69/kg

and

Basmati rice = $3.05/kg

THEN

Cost = 1.69 + 2(3.05) = $7.79

Answer:

16/24+21/24

Step-by-step explanation:

Hope it helped!!

Answer: turtles

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

[tex]\\ \sf\longmapsto C(t)=(t,\dfrac{t^2}{2})[/tex]

[tex]\\ \sf\longmapsto C(1/2)=,\dfrac{1}{2},\dfrac{(1/2)^2}{2})[/tex]

[tex]\\ \sf\longmapsto C(1/2)=(\dfrac{1}{2},\dfrac{\dfrac{1}{4}}{2})[/tex]

[tex]\\ \sf\longmapsto C(1/2)=(\dfrac{1}{2},\dfrac{1}{8})[/tex]

Now

Slope

[tex]\\ \sf\longmapsto \dfrac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\\ \sf\longmapsto \dfrac{0-\dfrac{1}{8}}{0-\dfrac{1}{2}}[/tex]

[tex]\\ \sf\longmapsto \dfrac{\dfrac{1}{8}}{\dfrac{1}{2}}[/tex]

[tex]\\ \sf\longmapsto \dfrac{1}{4}[/tex]

Answer:

42 slices per hour

Step-by-step explanation:

Answer: 42 slices per hour

Step-by-step explanation: 168 divided by 4= 42

Or 42x4= 168

Answer:

v = 260

Step-by-step explanation:

You have to multiply all the values given together (13 x 3 x 20) and then divide that by 3.

The Number of treatments in the experiment described the number of independent variables in the experiment, hence, the number of treatment is 4.

Therefore, the number of treatment in the experiment is 4.

Learn more ::https://brainly.com/question/25673396

Answer:

y=-8

its right give brain

Answer:

D

Step-by-step explanation:

Ordenered pairs g(x):

(0,0); (2,2); (- 2,2)

g(x) = ax² + bx + c

(0,0)

a.0² + b.0 + c = 0

c = 0

(2,2)

a.2² + b.2 + c = 2

4a + 2b = 2

(- 2,2)

a.(- 2)² + b.(- 2) + c = 2

4a - 2b = 2

4a + 2b = 4a - 2b

2b + 2b = 0

4b = 0

b = 0

4a + 2b = 2

4a = 2

a = 2/4

a = 1/2

g(x) = 1/2x² + 0x + 0

g(x) = 1/2x²

I hope I've helped you.

1 1/3 * 3 3/4

4/3*3*3/4

3

hope this helps!

Factorisation of x² + 10x + 21

Here, let's first multiply the extreme values,i.e. 1*21 = 21. So, we need to get such a number that adds 21 and as we can see that 10x is the middle value of this sum. Hence, 7 and 3 is suitable as while adding it makes 10 and multiplying we get 21

Now, lets segregate it into two groups. 1st group is x² + 7x and the other pair is 3x + 21 after which lets factorise them

So, we get the first option as correct which is (x + 3)(x + 7)

   The line is positive because it is going upwards. The y-intercept is positive 3. It can be found by seeing where the line intercepts the y-axis. The slope of the line is 2 and it can be found by using "rise over run."

(I saw the image on another question you had asked. Have a nice day!)

Answer:

Step-by-step explanation:

Answer:

2/3

Step-by-step explanation:

Because Im always right duhhh

Answer:

Those three pieces should be 15 inches, 20 inches and 24 inches long.  

Step-by-step explanation:

Please find attached photograph for your answer.

Hope it helps.

Do comment if you have any query.

Answer:

a) 3^2×3^2

=3^(2+2)

=3^4

b)7×7^4

=7^(1+4)

=7^5

c)10^9÷10^7

=10^(9-7)

=10^2

d)5^8÷5

=5^(8-1)

=5^7

Answer:

9m by 40m : yes

10m by 36m : yes

12m by 60m : no

15m by 30m : no

18m by 25m : no

Step-by-step explanation:

Essentially this question is asking us which dimensions of the rectangles would form a park that has the same area as the triangular park.

So the first step is to calculate the area of the triangular park.

The area of a triangle can be calculated using the formula, A = (bh)/2

where b = base length and h = height.

We are given the dimensions of the triangle and it appears that the height of the park is 20m while the base length is 36m

So we have A = (bh)/2

we know that b = 36 and h = 20

So area of triangular park = (36 * 20)/2

36 * 20 = 720

720 / 2 = 360

So the area of the triangular park is 360m²

Now we want to find which dimensions of a rectangle would create a park that has the same area of the triangular park, more specifically an area of 360m²

(Note that area of a rectangle is simply length times width )

The first rectangle dimensions are 40m by 9m. These dimensions would create a park with an area of 40 * 9 = 360m². This is the same as the triangular park so the answer would be yes for this one.

The second rectangle dimensions are 10m by 36m These dimensions would create a park with an area of 36 * 10 = 360m², which is also the same as the area of the triangular park meaning the answer for this one is also yes.

The third rectangle dimensions are 12m by 60m. These dimensions would create a park with an area of 60 * 12 = 720m². this is not the same as the area of the triangular park so the answer is no for this one.

The forth rectangle dimensions are 15m by 30m. These dimensions would create a park with an area of 30 * 15 = 450m², which is also not the same as the area of the triangular park meaning that the answer for this one is no.

Finally, the last rectangle dimensions are 18m by 25m. These dimensions would create a park with an area of 18 * 25 = 450m². These dimensions would also not create a park with the same area as the triangular park therefore the answer to this one is also no.

Answer:

x=-3 and y=10 are not functions, and 3x+2x=3 is

Step-by-step explanation:

Correct me if i'm wrong

Answer:

5.67m

Step-by-step explanation:

8.00m - 2.33m = 5.67m