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marishachu [46]

3 years ago

8

Jayla and Hailey were paying a dinner check, but they were not sure how much they should tip for their bill of $25.50. If a 12%

tip is standard, about how much should they leave for the server?

1 answer:

DochEvi [55]3 years ago

3 0

Answer:

tip total $4

tip per person $2

total (bill plus tip) $29.

total each person $15

Step-by-step explanation:

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How do I solve for x?

mel-nik [20]

Answer:

x = 4.8

Step-by-step explanation:

Since quadrilateral JKLM and PQRS are similar toe ach other, therefore the ratio of their corresponding sides are equal.

Thus:

QP/KJ = PS/JM

Substitute

8/5 = x/3

Cross multiply

5*x = 3*8

5x = 24

x = 24/5

x = 4.8

3 0

3 years ago

Which of the following is a root of the polynomial shown below f(x)=x^3+2x^2-x-2

Aleks [24]

F(x) = x^3 + 2x^2 - x - 2
<span>f(x) = x^2(x + 2) - (x + 2) </span>
<span>f(x) = (x^2 - 1)(x + 2) </span>
<span>f(x) = (x + 1)(x - 1)(x + 2) </span>
<span>Roots: -1, 1, -2 </span>

3 0

4 years ago

Read 2 more answers

Write a description of how you would calculate the area of the shaded space include the answer.

olga_2 [115]

Answer:

The area of shaded region is 25.5 units³

Step-by-step explanation:

Step 1 , you have to find the area of rectangle and triangle using the formulas :

Rectangle :

$area = length \times width$

Let length = 5 units,

Let width = 6 units,

$area = 5 \times 6$

$area = 30 \: \: {units}^{2}$

Triangle :

$area = \frac{1}{2} \times base \times height$

Let base = 3 units,

Let height = 3 units,

$area = \frac{1}{2} \times 3 \times 3$

$area = \frac{1}{2} \times 9$

$area = 4.5 \: \: \: {units}^{2}$

Step 2 , in order to find the shaded region, you have to substract the area of triangle from the area of rectangle (As the triangle is not shaded) :

$area = 30 - 4.5$

$area = 25.5 \: \: \: {units}^{2}$

3 0

3 years ago

To create a confidence interval from a bootstrap distribution unsung percentiles, we keep the middle values and chop off a certa

gregori [183]

Answer:

The correct answer to the following question will be "90% = 5%" and "95% = 2.5%".

Step-by-step explanation:

The given levels are:

90% and 95%

(a)...

At 90%, we get

⇒ $1-\alpha$ = $0.90$

then,

⇒ $\alpha = 0.10$

⇒ $\frac{\alpha }{2}=0.05$ ≅ $5 \ percent$

∴ at 90% level of confidence 5% must be chopped off from each of the tail.

(b)...

At 95%, we get

⇒ $1-\alpha$ = $0.95$

then,

⇒ $\alpha = 1-0.95$ $=0.10$

⇒ $\frac{\alpha }{2} =0.025$ ≅ $2.5 \ percent$

∴ at 95% level of confidence 2.5% must be chopped off from each of the tail.

3 0

3 years ago

A rectangular prism has length of 10.4 millimeters, width of 5 millimeters, and height of 8 millimeters.What is the volume of th

djyliett [7]

Answer:

416mm^3

Step-by-step explanation:

volume = length x width x height

= 10.4 x 5 x 8

=416

5 0

3 years ago