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3 years ago

Please help me with my math homework

Mathematics

1 answer:

rosijanka [135]3 years ago

3 0

1. 100 times larger than
2. 1/10
3. 1,000 times larger than
4. 1,000 times larger than
5. 1/100
6. 1/10
7. 1/10

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Find the area of the shape

defon

Answer:

15 units squared

Step-by-step explanation:

Area of a trapezium is half the sum of the parallel sides times the distance between them

So A=0.5×(7+3)×3

A=15

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3 years ago

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Likes s and t are perpendicular if the slope of line s is 5 what is the slope of line t?

katovenus [111]

Answer:

Gradient of line t is -1/5

Step-by-step explanation:

${ \sf{m _{s} \times m _{t} = - 1}} \\ { \sf{5 \times m _{t} = - 1 }} \\ { \sf{m _{t} = - \frac{1}{5} }}$

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3 years ago

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Given the following functions f(x) and g(x), solve fraction f over g ( 3) and select the correct answer below. f(x) = 2x2 – 8 g(

slavikrds [6]

(f/g)(x) = (2x² - 8)/(x - 5)
(f/g)(3) = (2(3)² - 8)/(3 - 5)
      = (18 - 8)/(-2)
      = 10/-2
      = -5

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3 years ago

A coupon for 20% off as a negtive

Ierofanga [76]

If you mean in decimal form, it’s -0.20.

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3 years ago

Find the probability of getting exactly 6 girls in 8 births.

AnnyKZ [126]

Answer:

The probability of getting exactly 6 girls in 8 births is 0.1093

Step-by-step explanation:

Given : 6 girls in 8 births.

To find : The probability of getting exactly 6 girls in 8 births.

Solution :

The probability of getting girl is $\frac{1}{2}$

The probability of getting 6 girl is $(\frac{1}{2})^6$

Since we have 6 girls,

We also need to find the probability of getting 2 boys, which is

$(\frac{1}{2})^2$

There are $^8C_6$ ways to get 6 girls in 8 births

i.e, $^8C_6=\frac{8!}{6!\times 2!}$

$^8C_6=\frac{8\times 7\times 6!}{6!\times 2\times 1}$

$^8C_6=28$

There are 28 ways to get 6 girls in 8 births.

The probability of getting exactly 6 girls in 8 births.

$=28\times (\frac{1}{2})^6\times (\frac{1}{2})^2$

$=28\times 0.015625\times 0.25$

$=0.109375$

Therefore, The probability of getting exactly 6 girls in 8 births is 0.1093

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4 years ago

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