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babymother [125]
3 years ago
8

What is the answer? Need help Asap!!!!

Mathematics
1 answer:
bulgar [2K]3 years ago
3 0
Might be the second one
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Estimate the amount of the tip by rounding the bill to the nearest dollar before calculating.
telo118 [61]

Answer:

$16

Step-by-step explanation:

Round : $80.36 : $80

Equation : 20% of 80

Answer : $16

Sidenote: I hope this answers your questions!

6 0
2 years ago
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We need to attach a support wire to Glendale's flagpole, which is 24 feet high. The
antoniya [11.8K]

Step-by-step explanation:

this creates a right-angled triangle.

the right angle (90°) being the angle between flag pole and ground.

the angle ground-wire is 50°.

because we know that the sum of all angles in a triangle is always 180°, we know then that the angle flagpole-wire is

180 - 90 - 50 = 40°

so, we have the situation to know 1 side and all angles.

to get the other sides we use best the law of sine :

a/sin(A) = b/sin(B) = c/sin(C)

where the sides and related angles are always opposite of each other.

in our case now we have

24/sin(50) = wire/sin(90) = wire/1 = wire = 31.32977494... ft

so, the rounded answer is that the wire must be

31.3 ft long

4 0
3 years ago
Calculate the length of the circumference of a circle with diameter of 10.4
Kitty [74]
To work out the Circumference of a circle, we must o the calculation
πd
π x d
If we fill in the information we know
π x 10.4
3.14 x 10.4       (to 2 d.p.)
↓
32.656 (units)
7 0
3 years ago
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Write an expression for: 9 less than the product of 12 and a number x
Aleksandr [31]

The product of 12 and x can be displayed as 12x

9 less than 12x is displayed as 12x - 9


Answer: 12x - 9

8 0
3 years ago
If 3x + 11 = 4x - 5, what is x?
Andrew [12]

Answer:

16v

Step-by-step explanation:

3x + 11 = 4x - 5

11+5 = 4x -3x

x = 16

I hope im right!!

4 0
2 years ago
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