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Over [174]
3 years ago
6

HELP ALERT ALERT MATH PROBLEM

Mathematics
1 answer:
Lisa [10]3 years ago
7 0
Multiple 15 by 6, the answer is 90 square cm
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Find the value of b.
Nesterboy [21]

Answer: 230^{\circ

Step-by-step explanation:

For convenience, I labeled some points as shown in the attached picture.

Also, I assume \overline{AB} and \overline{BC} are tangents to the circle.

  1. \overline{BO} \cong \overline{BO} (reflexive property)
  2. \overline{AB} \cong \overline{BC} (tangents drawn from a common external point are congruent)
  3. \angle BAO \cong \angle BCO (right angles are congruent)

Therefore, we know \triangle ABO \cong \triangle CBO by HL.

Thus, by CPCTC,

\angle AOB \cong \angle BOC \implies m\angle BOC=65^{\circ}\\\\\implies m\angle AOC=130^{\circ}

This means the measure of minor arc AC is 130^{\circ}, and thus b=360^{\circ}-130^{\circ}=\boxed{230^{\circ}}

7 0
2 years ago
A rectangular tank measures 20cm x 30cm x 40cm. You want to fill it by using a cubic container that is 20cm on each side to carr
umka2103 [35]

Answer:

4 trips

Step-by-step explanation:

Given that:

Dimension of rectangular tank :

(20cm * 30cm * 40cm)

Dimension of cubic container used to fill tank = 20cm per side

Volume of tank = (20 * 30 * 40) = 24400 cm³

Volume of cubic container = (20 * 20 * 20) = 8000 cm³

Number of trips it would take :

Volume of tank / volume of container

24400 cm³ / 8000 cm³

= 3.05

Hence, it will take 4 trips

4 0
3 years ago
6. The California Tiger Salamander is an endangered species, which decreases at the rate of 4.6% per year in a habitat that curr
kicyunya [14]

\rule{2000pt}{1000000pt}

7 0
2 years ago
A delivery truck made 8 stops in one neighborhood. By stop 5, there were 11 packages delivered. This graph shows this informatio
IceJOKER [234]
2 delivery stops

Find the point that hits 5 on the "packaging delivery".

Then look down to find the 'x'

your x is 2

hope this helps
6 0
3 years ago
Find the domain of the function
aev [14]
Domain are those values of x for which function is defined. f(x) is not defined at x = 3. Therefore Domain is

x∈ (⁻∞, +∞) - {3}
8 0
4 years ago
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