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3 years ago

Q > d, if d = 3 is it true or false

Mathematics

1 answer:

Dafna1 [17]3 years ago

6 0

There isn’t enough info to answer that question bc you have to know what q equals

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The diagram shows a sector of a circle radius 10cm

Yuki888 [10]

Answer:

$\text{Perimeter of sector = 43.6 (Rounded to the nearest tenth.)}$

Step-by-step explanation:

$\text{Perimeter of the sector = Radius + arc length + radius}$

$\text{Radius = 10 cm}$

$\text{Perimeter of the sector = 10 + arc length + 10 }$

$\text{Perimeter of the sector = 20 + arc length }$

$\text{arc length = (sector angle/ 360 ) * perimeter of the circle}$

$\text{Perimeter of a circle }=2\pi r$

$\text{sector angle} = 135$

$\text{arc length} = (135/ 360 ) * 2\pi (10)$

$= (3/8) 20\pi$

$= 15\pi /2$

$\text{Using }\pi =3.14$

$= 15 * 3.14 /2$

$= 23.55$

$\text{Perimeter of the sector = 20 + 23.55}$

$= 43.55$

$= 43.6 cm$

$\text{perimeter of the sector = 43.6 cm }$

8 0

2 years ago

ali's tyre pressure gauge shows a reading witch is 8 % lower than the actual pressure when the gauge shows 33.58

Rama09 [41]

Answer:

the actual pressure is 31.09

Complete question:

What is the actual pressure when Ali's gauge shows 33.58

Step-by-step explanation:

Given,

Ali's tyre presser gauge show a reading 8% higher than the actual pressure.

Ali's gauge shows 33.58.

Let the actual pressure be x.

According to problem,

$x\times\frac{108}{100} =33.58$ { [If 8% increasing of a no ⇒ The number becomes = $(\frac{100+8}{100})$ of the number}

x= $\frac{33.58\times100}{108}$

x=31.09

Therefore, the actual pressure is 31.09

5 0

3 years ago

Solve for b. (g+l)b=n

denis23 [38]

Answer:

b = ---------

(g+l)

Step-by-step explanation:

We need to isolate b. Starting from (g+l)b=n, we divide both sides by (g+l), obtaining

b = ---------

(g+l)

7 0

3 years ago

Jenny rides her bike one mile to school every day. She always stops at Claire’s house on her way. Claire lives ¼ of a mile from

Snezhnost [94]

Answer:

to get our answer, we multiply the two fractions together. 6/8× 3/5= 3/5 or 0.6

hope this helps! mark me brailyest please :D

5 0

2 years ago

Read 2 more answers

The convex polygon below has 8 sides. Find the value of x ?

bulgar [2K]

The missing interior angle, x, of the convex polygon is 168⁰.

<h3>Sum of interior angles of convex polygon</h3>

The sum of interior angles of a convex polygon is calculated as follows;

S = (n - 2) 180

S = (8 - 2) 180

S = (6) 180

S = 1080

The missing interior angle, x, is calculated as follows;

x + 126 + 146 + 130 + 140 + 146 + 134 + 90 = 1080

x + 912 = 1080

x = 1080 - 912

x = 168⁰

Learn more about interior angles of polygon here: brainly.com/question/24966296

5 0

2 years ago