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Hitman42 [59]
2 years ago
7

If the measure of arc RT = 80 degrees and the measure of arc US = 40 degrees, what is the m<2?

Mathematics
1 answer:
tester [92]2 years ago
6 0
80+40=120
360-120=240
240/2=120
So answer is 120
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Isaac has 21 green marbles and 7 blue .He wants to place them in identical groups without any marbles left over.What is the grea
dybincka [34]

Answer:

7 groups

Step-by-step explanation:

Each group would have 1 blue marble and 3 green marbles

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3 years ago
Factorise fully 12x³ - 30x²​
MariettaO [177]

Answer:

6x² (2x - 5)

Step-by-step explanation:

12x³ - 30x²

= 6x² (2x - 5)

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2 years ago
Jack bicycle has mass of 9 kilograms what is the mass of jack bicycle in grams
wolverine [178]
1 kilogram = 1000 grams, so the mass of Jack's bicycle is 9000 grams.

Thanks for your question! Please choose my answer as the brainliest so that I can help you with all of your questions! Thanks!

4 0
3 years ago
Read 2 more answers
In a certain breed of cattle, the length of gestation has a mean of 284 days and a standard deviation is 5.5 days. One length of
Alenkinab [10]

Answer:

The statement that best interprets the z-score is;

D. The length of the gestation period was shorter than the mean length of gestation period by 1.7 standard deviations

Step-by-step explanation:

The given parameters are;

The length of the gestation period of the cattle breed = 284 days

The standard deviation = 5.5 days

The z-score of one length of gestation period was z = -1.70

The formula for finding the z-score, z is presented as follows

Z=\dfrac{x-\mu }{\sigma }

Where;

x = The observed value for the gestation period

μ = The sample mean length for the gestation period = 284

σ = The gestation period standard deviation = 5.5

When Z = -1.70, we have;

-1.70 =\dfrac{x-\mu }{\sigma }

∴ x - μ = -1.7 × σ

∴ x is shorter than μ by 1.7×σ

Therefore, the length of the gestation period, x, was shorter than the mean length of gestation period, μ, by 1.7 standard deviations, σ.

8 0
2 years ago
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Shinya went to the salon. The cost if her haircut was $16.00. He tipped the barber 15%. What was the total cost
Fantom [35]
Total cost=costofhaircut+tip
tip=costofhaircut times percent tip
percent tip=15%

percent means parts out of 100
15%=15/100=0.15

cost of haircut=16
tip=16 times 0.15=2.4

total cost=16+2.4=18.4

total cost=$18.40
4 0
3 years ago
Read 2 more answers
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