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2 years ago

In a sale, a clothes shop reduces its 15%.

Mathematics

1 answer:

polet [3.4K]2 years ago

8 0

The new cost would be 19.55.

Explanation: 1. 23 * 0.15 = 3.45
2. 23 - 3.45= 19.55

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In parallelogram abcd, ab=14, bc=20, m(angle)b=54. Find to the nearest tenth the length of diagonal bd, and find measure angle d

muminat

It is is a parallelogram, hence we have to face sides equal in length and the opposite angles are also the same. From the given above we have:
ab=14 and its opposite side cd=14
bc=20 and its opposite side da=20

Solving for the diagonal measurement bd, we have consecutive angles are equal to 180°
∠A+∠B=180°
∠A=180°-54°
∠A=126° , ∠B=54° ,∠C=126° and ∠D=54°
bd²=ab²+da²-2(ab)(da)cos126°
bd²=14²+20²-2*14*20cos126°
bd=30.42 unit

Solving for the angle dbc, we have
cos dbc=bc²+bd²-cd²/a*bc*bd
cos dbc=20²+30.42²-14²/2*20*30.42
dbc=21.76°

3 0

2 years ago

Urgent help needed...............

andreyandreev [35.5K]

Answer:

Option b is correct

$\{x | x \neq \pm 7, x\neq 0\}$ .

Step-by-step explanation:

Domain is the set of all possible values of x where function is defined.

Given the function:

$h(x) = \frac{9x}{x(x^2-49)}$

To find the domain of the given function:

Exclude the values of x, for which function is not defined

Set denominator = 0

$x(x^2-49) = 0$

By zero product property;

$x = 0$ and $x^2-49= 0$

⇒x = 0 and $x^2 =49$

⇒x = 0 and $x = \pm 7$

Therefore, the domain of the given function is:

$\{x | x \neq \pm 7, x\neq 0\}$

7 0

2 years ago

Read 2 more answers

What is 9 + 10?<br><br> (You have to say the right thing)

nexus9112 [7]

Answer:

Step-by-step explanation:

3 0

1 year ago

Read 2 more answers

the total charge for a yearly internet movie rental membership is $231.A registration fee of $15 is paid up front and the rest i

Flura [38]

New members pay a fee of $18 per month.

Step-by-step explanation:

Given,

Yearly movie rental cost = $231

Registration fee = $15

1 year = 12 months

Let,

x be the fee per month.

12x+15=231

$12x=231-15\\12x=216$

Dividing both sides by 12

$\frac{12x}{12}=\frac{216}{12}\\x=18$

New members pay a fee of $18 per month.

Keywords: subtraction, division

Learn more about division at:

#LearnwithBrainly

7 0

2 years ago

Find the perimeter of the shape. (Answer choice In pic)

Lana71 [14]

Answer: 49.2 cm

Explanation: I don’t know how to explain it without a visual so I hope you end up figuring it out! All I can say is: use Pythagorean’s theorem for that triangle to the left (if you know what I mean) to find the hypotenuse and then add all the sides up!

Have a great day!
▼・ᴥ・▼

6 0

2 years ago