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maria [59]
3 years ago
9

You ordered pizza for delivery that cost $14.20. You want to tip the driver 15%. How much tip are you going to leave? How much t

otal did you spend?
Mathematics
2 answers:
Oksana_A [137]3 years ago
5 0
Your tip would be $2.13 so in all you would be spending $16.33
Natalija [7]3 years ago
4 0

Answer:16.33 i think

Step-by-step explanation idk

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Write an expresstion that is equivalent to 1/3x+3/4+2/3x-1/4-2/3x
nadya68 [22]

Answer:

1/3x+1/2

Step-by-step explanation:

4 0
2 years ago
Please help, the questions just have to be simplified
dimaraw [331]
6c^2d^{-3}\ \times\ 3c^3d^{-4}=6\cdot3\cdot c^{2+3}d^{-3+(-4)}=18c^5d^{-7}=\frac{18c^5}{d^7}


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8 0
3 years ago
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What is the completely factored form of x4 8x2 – 9?
Alinara [238K]

For this case we have the following polynomial:

x ^ 4 + 8x ^ 2 - 9

We make the following change of variables:

u = x ^ 2

Rewriting we have

u ^ 2 + 8u - 9

Factoring the second order polynomial we have:

(u + 9) (u-1)

Then, returning the change we have:

(x ^ 2 + 9) (x ^ 2-1)

Finally, we factor the expression in the parentheses of the second term:

(x ^ 2 + 9) (x + 1) (x-1)

Answer:

the completely factored form is:

(x ^ 2 + 9) (x + 1) (x-1)

7 0
3 years ago
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In each problem, angle C is a right angle. Solve each triangle rounding answers to the nearest
ryzh [129]

Answer:

B = 61°

A = 29°

a = 10

Step-by-step explanation:

We are given;

c = 16, b = 14​

Since we are told that C is a right angle, it means that C = 90°

Thus using sine rule, we have;

c/sin C = b/sin B

16/sin 90 = 14/sin B

16/1 = 14/sin B

sin B = 14/16

sin B = 0.875

B = sin^(-1) 0.875

B ≈ 61°

Now, since C is a right angle, it means that c will be the hypotenuse of the triangle.

Thus, from pythagoras theorem, If the other side of the triangle is a, then;

a² + b² = c²

a² + 14² = 16²

a² = 16² - 14²

a² = 256 - 156

a² = 100

a = √100

a = 10

Since we know B and C, we can find A because sum of angles in a triangle is 180°.

Thus;

A = 180 - (B + C)

A = 180 - (61 + 90)

A = 29°

4 0
3 years ago
-10+3x=8 solve for X what is X?
vfiekz [6]

x=6

so the answer is 6

3 0
3 years ago
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