Huang has a coupon that gives him 20% off all items purchased. He buys 3 shirts that each cost the same amount, and he pays with a $100 bill. Which expression represents the amount of change Huang should receive? Check all that apply

Answers

Answer 1

Answer: that is going to be like
80 dollars

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toan is building tables for the park department.He needs 20 bolts for each table.if he has 60 bolts at his workplace and he gets 300 more bolts from the supply room,how many tables can he build?

Answers

60+300=360
360/20=18
he can build 18 tables

360
_
20 + 18 your welcome enjoy your answer :D

A square pyramid is shown. What is the surface area? A square based pyramid, with bases labeled 3.5 centimeters and side length of triangle labeled 7 centimeters.

19.25 cm2
30.625 cm2
49.625 cm2
61.25 cm2

Answers

Given:
square based pyramid = 3.5 cm base
side length = 7 cm

Base Area = (3.5cm)² = 12.25cm²

Surface Area = Base Area + 2sl = 12.25cm² + (2 * 3.5cm* 7cm)
S.A = 12.25 cm² + 49 cm²
S.A = 61.25 cm²

Answer:

61.25 thank you next

Step-by-step explanation:

Solve the triangle, find m∠A and m∠C. Round angles to the nearest degree.m∠A= __∘

m∠C= __∘

Answers

In the given right triangle ABC, m∠A ≈ 26.44° and m∠C ≈ 63.56°.

To solve the right triangle ABC, we can use trigonometric ratios. In a right triangle, the three main trigonometric ratios are:

1. Sine (sin): $\sin(\theta) = \frac{{\text{opposite side}}}{{\text{hypotenuse}}}$

2. Cosine (cos): $\cos(\theta) = \frac{{\text{adjacent side}}}{{\text{hypotenuse}}}$

3. Tangent (tan): $\tan(\theta) = \frac{{\text{opposite side}}}{{\text{adjacent side}}}$

Given:

AC = 38

AB = 17

To find the angles m∠A and m∠C, we can use the sine and cosine ratios, respectively.

1. For m∠A:

$\sin(m\angle A) = \frac{{AB}}{{AC}} = \frac{{17}}{{38}}\)\n\n\(m\angle A= \sin^(-1)\left(\frac{{17}}{{38}}\right)$

2. For m∠C:

$\cos(m\angle C) = \frac{{AB}}{{AC}} = \frac{{17}}{{38}}\)\n\n\(m\angle C = \cos^(-1)\left(\frac{{17}}{{38}}\right)$

Let's calculate the angles:

$1. $m\angle A \approx \sin^(-1)\left(\frac{{17}}{{38}}\right) \approx 26.44^\circ$\n\n2. $m\angle C \approx \cos^(-1)\left(\frac{{17}}{{38}}\right) \approx 63.56^\circ$$

Therefore, m∠A ≈ 26.44° and m∠C ≈ 63.56° (rounded to the nearest degree).

To know more about right triangle, refer here:

brainly.com/question/31613708

#SPJ2

Answer:

$m\angle A=63^\circ\nm\angle C=26^\circ$

Step-by-step explanation:

Trigonometric Ratios

The ratios of the sides of a right triangle are called trigonometric ratios. The longest side of the triangle is called the hypotenuse and the other two sides are called the legs.

Selecting any of the acute angles as a reference, it has an adjacent side and an opposite side. The trigonometric ratios are defined upon those sides.

The cosine ratio is defined as:

$\displaystyle \cos\theta=\frac{\text{adjacent leg}}{\text{hypotenuse}}$

Note the angle A of the figure has 17 as the adjacent leg and 38 as the hypotenuse, so we can directly apply the formula:

$\displaystyle \cos A=(17)/(38)$

$\cos A=0.4474$

Using a scientific calculator, we get the inverse cosine:

$A=\arccos(0.4474)$

$A\approx 63^\circ$

Since A+B+C=180°, we can solve for C:

C = 180° - A - B

C = 180° - 63° - 90°

C = 26°

Thus:

$m\angle A=63^\circ\nm\angle C=26^\circ$

4+6(7-m)=4 solve for m

Answers

4+6(7-m)=4
Opening the brackets;
4+42-6m=4
46-6m=4
Putting like terms together;
46-4=6m
42=6m
m= $(42)/(6)$
m=7

4-4+42-6m=0
42=6m
m=42/6
m=7

hope helped

Factor completely x2 + 16.(x + 4)(x + 4)

(x + 4)(x − 4)

Prime

(x − 4)(x − 4)

Answers

Answer:

The factors of x^2 + 16 are (x - 4i) and (x + 4i).

Step-by-step explanation:

That'd be x^2 + 16, not x2 + 16.

First, an easier example: x^2 - 16 factors into (x - 4)(x + 4).

Note how (-4)(4) = -16.

The corresponding factors of x^2 + 16 are (x - 4i) and (x + 4i).

We can check this result through multiplication: (x - 4i)(x + 4i) = x^2 - 4ix + 4ix - 16(-1), or x^2 + 16.

Answer:

Option C: Prime

Step-by-step explanation:

What is 2 plus 2 guys? It is reaaaalllyy hard. Idk how to answer it

Answers

Answer:

2+2 is 22 ahahahhahaha just kidding

Answer:

4.00000

Step-by-step explanation:

this is a very complex question but when the 2 is doubled by its numerical situation you can find that 2 and 2 can equal 4 which is a complex variation of the addition postulate product of the answer.

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