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3 years ago

Figure ABCD is a trapezoid. Find

Mathematics

1 answer:

Umnica [9.8K]3 years ago

5 0

Answer for x is 5

Step by step explanation:

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The probability that a person in the united states has type b+ blood is 1212%. threethree unrelated people in the united state

lesantik [10]

(a) P (all B+) = (0.12)(0.12)(0.12)=0.001728=0.1728%

(b) P (no B+) = (0.88)(0.88)(0.88) = 0.681472=68.15%

(c) P (not one B+) + P (no B+) = 1

P (not one B+) = 1 – P (no B+)

= 1 – 0.681472

P (at least 1 B+) = 0.318528=31.85%

(d) B. The event in part (a) is unusual because its probability is less than or equal to 0.05.

8 0

3 years ago

Winslow plans to grow 12 kinds of vegetables in her garden. She has 34 seeds of each kind of vegetables. A neighbor gives her 10

ExtremeBDS [4]

Answer: 658

Step-by-step explanation:

If Winslow wants to plant 12 vegetables and has 34 seeds of each kind of vegetable, then she has 12*34 seeds.

12*34=408

If a neighbor giver her 10 more packets, each with 25 seeds, she has 10*25 more seeds.

10*25=250

Then we add 408+250 to get 658 seeds

4 0

3 years ago

Y = 3x - 24 5x - y = 8

Anuta_ua [19.1K]

What is your question

4 0

4 years ago

Can someone please help me. It is slope intercept form

Tom [10]

Answer:

the y intercept is 1
the slope of this line is 1
the equation of the line is y = x + 1

Step-by-step explanation:

First Take two coordinates the line is passing: ( 0 , 1 ) , ( -1 , 0 )

To find slope use: $\frac{y2-y1}{x2-x1}$

: $\frac{0-1}{-1-0}$

: 1

Equation using: y= mx+b ...where m is slope and b is y intercept therefore:

Equation of the line:

y = x + 1

5 0

2 years ago

An animal park has lions, tigers and zebras. 20% of the animals are lions and half of the animals are zebras. If there are 120 a

RoseWind [281]

Answer:

$36\ tigers$

Step-by-step explanation:

Let

x ----> the number of lions

y ----> the number f tigers

z ----> the number of zebras

we know that

$x+y+z=120$ ----> equation A

Remember that

$20\%=20/100=0.20$

$50\%=50/100=0.50$

To find out the number of lions, multiply the total animals by the percentage of lions

$x=0.20(120)=24\ lions$

To find out the number of zebras, multiply the total animals by the percentage of zebras

$z=0.50(120)=60\ zebras$

Substitute the value of x and the value of z in equation A and solve for y

$24+y+60=120$

$y+84=120$

$y=36\ tigers$

6 0

3 years ago