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gregori [183]
3 years ago
14

Solve by elimination 4x-8y=8 -5x-y=-21

Mathematics
1 answer:
astra-53 [7]3 years ago
7 0
X will equal 2, Y will equal 1
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JulsSmile [24]

Answer:

correct

Step-by-step explanation:

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2 years ago
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What is the value of x to the nearest whole number?<br> LO 18<br> 0 20<br> 86<br> 94
MakcuM [25]

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18

Step-by-step explanation:

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3 years ago
Pls help ima give BRAINLIST&amp;Like
Rainbow [258]

Answer:

A\cap B={2,4}

Step-by-step explanation:

Intersection represents the elements present in both sets.

Best Regards!

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2 years ago
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Adult men have heights that a normally distributed with a mean of 69.5 inches and a standard deviation of 2.4 inches. Adult wome
Aliun [14]

Answer:

Step-by-step explanation:

From the information given:

For Adult Men

Mean \mu = 69.5

Standard deviation \sigma = 2.4

observed value X = 74

For Adult Women

Mean \mu = 63.8

Standard deviation \sigma = 2.6

observed value X = 70

Therefore ; the values for their z  scores can be obtained in order to determine who is more unusually tall within his or her respective sex

For Adult Men :

z = \dfrac{X- \mu}{\sigma}

z = \dfrac{74- 69.5}{2.4}

z = \dfrac{4.5}{2.4}

z = 1.875

For Adult Women :

z = \dfrac{X- \mu}{\sigma}

z = \dfrac{70- 63.8}{2.6}

z = \dfrac{6.2}{2.6}

z = 2.3846

Thus; we can conclude that , the women is more unusually tall within his or her respective sex

5 0
3 years ago
If a car is traveling 75 miles per hour, how many feet will it travel in 10 seconds?
Alekssandra [29.7K]

Answer:

Step-by-step explanation:

speed=75 miles per hour

speed=\frac{75 \times 1760 \times 3 }{3600 } =110 ~ft~/ ~s

distance covered in 10 seconds=110×10=1100 ft

3 0
3 years ago
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