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Answer:

its B 7

Step-by-step explanation:

Answer:

its b

Step-by-step explanation:

Step-by-step explanation:

1. 3a2 + 4

3(-4)2+4

=-24+4

=-20

2. 2a3

2(-4)3

= (3)(−4)(3)

= −36

Answer:

its 42 degrees because all triangles are 180 degrees

Answer:

Step-by-step explanation:

Step one:

given data

initial balance= $10

she earned extra $23.50 doing errands

hence her balance will be

=10+23.5

=$33.5

Step two:

Required is her balance

we are told that she bought shoes for  $27.75

hence her balance will be

=33.5-27.75

=$5.75

Answer:

7 1/2

Step-by-step explanation:

1. First convert 2 1/2 to an improper fraction (5/2)

2. Then KCF (keep change flip)

3. Your equation will now be 5/2 x 3/1

4. Multiply to get 15/2

5. Change this number to a mixed number and get your final answer.... 7 1/2

Yup you were correct!

Answer:

this is the answer

I hope it helps you.❤

Answer:

so you need to find x

Step-by-step explanation:

the little fraction beside the equation in parenthesis is what you are multiplying by, and 25 is what is equals , so x-7 times 2/3 or 0.67 = 25  we then divide 25 by 0.67 then plus 7 and the answer is 44.31

Answer:

Step-by-step explanation:

Answer:

11

Step-by-step explanation:

(2x + 7) - (2x - 4)

2x + 7 - 2x + 4

7 + 4 = 11

Answer:

∠ C = 44°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180, that is

4x - 16 +6x - 1 + 4x - 13 = 180°

14x - 30 = 180 ( add 30 to both sides )

14x = 210 ( divide both sides by 14 )

x = 15

Thus

∠ C = 4x - 16 = 4(15) - 16 = 60 - 16 = 44°

Answer:

C: Glenda has been over charged by $3.40 for her purchase

Step-by-step explanation:

The amount Glenda is to pay can be found by applying arithmetic

operations to the given parameters in the correct order.

Reasons:

The price of each picture frame = $12.95

Number of picture frame purchased = 4

Price of each mat = $5.89

Number of mats purchased = 4

Total purchase price = $12.95 × 4 + $5.89 × 4 = $75.36

Total purchase price + Tax = $75.36 × 0.065 + $75.36 ≈ $80.26

Express Shipping charges for amount of purchase between $50 to $100 is given from the table as; $8.20

Total bill = Total purchase + Tax + Shipping

Therefore;

Total bill = $80.26 + $8.20 = $88.46

Amount the credit card is billed = $91.86

Amount of over charge = $91.86 - $88.46 = $3.40

Therefore, Glenda has been over charged by $3.40 for her purchase

Learn more about arithmetic operations here:

https://brainly.com/question/2515572

https://brainly.com/question/24741685

Answer:

HERE YOU GO have a nice day

Answer:the first one is 6 and the seconndone is 4.5  

Step-by-step explanation:

x- gose forward 2

y- gose 2.5

Answer:

t squared-12w

-------------------

       x

Step-by-step explanation:

Answer:

x = 17

Step-by-step explanation:

[tex]45 + 68 + (3x+16) = 180 \\ \\ 113 + 3x + 16 = 180 \\ \\ 129 + 3x = 180 \\ \\ 3x = 180 - 129 \\ \\ 3x = 51 \\ \\ x = \frac{51}{3} \\ \\ x = 17[/tex]

Not sure for number 2, but for number 3:

n=4.5

Answer:

-4

Step-by-step explanation:

y - 2x = -4   original

3x - 2x = -4  plug in the Y value

x = -4   subtract X values

Answer:

C

Step-by-step explanation:

A. (1, 2), (1,-2), (3, 2), (3, 4)

B. ((1),6), ((2), 7),((4),9), ((0),5)

C. (0, 2), (2,3), (0, -2), (4,1)

D. (2, 4), (0, 2), (2, - 4), (5,3)

Theres no repeating x value.

Answer:

C

Step-by-step explanation:

only one without repeating x values that give diff y values

Step-by-step explanation:

let eqn be y = mx + b.

2x + 9y = 8

9y = -2x + 8

y = -2/9 x + 8/9

since the lines are perpendicular, product of the slope of the two lines = -1.

hence,

m x -2/9 = -1

m = 9/2

sub (0, -3):

-3 = 9/2(0) + b

b = -3

therefore equation is: y = 9/2x - 3

Topic: coordinate geometry

If you like to venture further, feel free to check out my insta (learntionary). It would be best if you could give it a follow. I'll be constantly posting math tips and notes! Thanks!

Answer:

9/13, The numerator is always on top and the denominator is always on the bottom.

The laws of exponents I will be using are:

[tex](x^y)^z = x^{yz}[/tex], and [tex]x^y \cdot x^z = x^{y+z}[/tex].

For the first part, [tex](15^3)^3 \cdot 15^{-6} = 15^9 \cdot 15^{-6} = 15^3[/tex].

For the second part, [tex]15 \cdot (15^3)^2 \cdot (15^{-5})^2 = 15 \cdot (15^6) \cdot (15^{-10}) = 15^{1+6-10} = 15^{-3} = \frac{1}{15^3}[/tex].

Answer:

m < 5/6

Step-by-step explanation:

-2 > 6m - 7

5 > 6m

5/6 > m

m < 5/6

Answer:

x = 35, x = 27

Step-by-step explanation:

(9)

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

141° is an exterior angle, thus

x + 24 + 2x + 12 = 141 , that is

3x + 36 = 141 ( subtract 36 from both sides )

3x = 105 ( divide both sides by 3 )

x = 35

-----------------------------------------------------------

(11)

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180, that is

2x - 9 + 3x + 2x = 180

7x - 9 = 180 ( add 9 to both sides )

7x = 189 ( divide both sides by 7 )

x = 27

Answer:

Unfortunately I can't do the first one, but the second one is easy

Step-by-step explanation:

To find X in the Q) 11:

1. The triangle is an equilateral traingles meaning angles add up to 180°

2. Add the numbers - 2x - 9 + 3x + 2x = 7x -9

3. Add 9 to 180 (your adding because you changed the side of the number) - 189 = 7x

4. Divide 7 by 189

Your answer is x = 27

Answer:

113F

Step-by-step explanation:

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

Answer:

113F

Step-by-step explanation:

Answer:

Step-by-step explanation:

The transformation from the parent function (red line) to the blue line is a translation 2 units to the left and 3 units down, and a reflection over the x-axis.

The blue line does not seem to be stretched or compressed.

Answer:

y = 6

Step-by-step explanation:

The red square represents a 90 degree angle. If you subtract 36 from 90 you will get 54. Then to find y, divide 54 by 9 and you get 6.

Hope this helped!!  :)

The slope is 4/5 assuming time is along the bottom of the graph.

Answer:

slope is 4/5

Step-by-step explanation:

formula to use in order to find answer is y1-y2/x1-x2

time on a graph is usually the x axis so meals prep'd will be y axis

7-3

10-5

^that is 7 minus 3 over 10 minus 5 which is

4/5

Answer: −

3