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mixas84 [53]
2 years ago
13

Csc0sin20-sec0=cos20sec0​

Mathematics
1 answer:
Mkey [24]2 years ago
3 0

Answer:0

Step-by-step explanation:

(0)0.342-0=0.9397(0)

0=0

sin 20= 0.342

cos 20=0.9397

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Inverse function<br><br> f(x)= 1/2x-3
Marrrta [24]

Answer:

fx^{-1} \\ (x)= 2x +6

Step-by-step explanation:

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6 0
2 years ago
A beanie hat is to be made from a piece of fabric and one square metre of this fabric weighs 470g.
Ainat [17]

Answer:

The hat weight = 81.166 g

Step-by-step explanation:

∵The figure formed by a rectangle and two identical semi-circle

∵ The length of the rectangle = 52 cm = 0.52 m

∴ The length of the two diameter = 52 cm = 0.52 m

∴ The radius of the semi-circle = 52 ÷ 4 = 13 cm = 0.13 m

∴ The width of the rectangle = 36 - 13 = 23 cm = 0.23 m

∴ The area of the rectangle = 0.52 × 0.23 = 0.1196 m²

∴ The area of the semi-circles = π (0.13)² = 0.0531 m²

∴ The area of the hat = 0.1196 + 0.0531 = 0.17269292 m²

∵ 1 m² = 470 g

∴ The weight of the hat = 0.17269292 × 470 = 81.16567 ≅ 81.166 g

3 0
2 years ago
Read 2 more answers
△ACD∼△BED What is the value of x?
slega [8]

Answer:

C. 5

Step-by-step explanation:

Triangle BED is enlarged by scale factor 4.

(25-x)/4 = x

Multiply both sides by 4.

25-x = 4x

Add x on both sides.

25 = 5x

Divide both sides by 5.

5 = x

4 0
3 years ago
Pete works as a door to door vacuum salesman and earns a base salary of $400 per week plus 8% commission on
ololo11 [35]

Answer:

$516.48

Step-by-step explanation:

Base salary is what Pete will be paid whether he makes a sale or not.

Sales commission is the percentage of the value of the sale that Pete makes which is added to his base salary.

Base salary = $400

Total sales last week = $1456

Commission = 8% of total sales

Commission of last week = 8% of $1456

= 0.08*1456 = $116.48

Gross salary = base salary + commission

= 400 + 116.48

= $516.48

5 0
3 years ago
Which congruence theorem can be used to prove ABDA - ABDC?
oee [108]

Answer:

SAS(SIDE ANGLE SIDE)

Step-by-step explanation

AB side in ABDA = AB side in ABDC

ABD angle in  ABDA= ABD angle in ABDC

BD side in ABDA = BD side in ABDC

5 0
2 years ago
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