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Misha Larkins [42]
3 years ago
13

PLZZZZZZZZZ HELP THERE IS JUST THIS ONE AND IM STILL CONFUSED PLZZZ HELPPPP ME REAL QUICK ITS REALLY EASY

Mathematics
1 answer:
RUDIKE [14]3 years ago
7 0
Angle a is 22.62 degrees
and
angle b is 67.38 degrees

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Quincy is trying to estimate the height of a tree in his backyard. He measures the tree’s shadow as 12 ft. He stands near the tr
lions [1.4K]
5:3
x:12
x=20
The height of the tree should be 20 feet
8 0
3 years ago
The width of a rectangle is 4n-2.5 feet and the length is 2.5n+7 feet. find the perimeter of the rectangle
olga55 [171]

Answer:

P=13

Step-by-step explanation:

Solution:

P=2(l+w)=2·(2.5+4)=13

8 0
3 years ago
Help plz im so dumb math
vesna_86 [32]

Answer:

the first one

Step-by-step explanation:

its right because you have to try and solve it out to get the answer so u subtract 4 the divide by 10 to get r= 8

4 0
4 years ago
Read 2 more answers
A large study of German children of Caucasian descent found that 46% have brown hair and that 25% have freckles. Nonetheless, yo
STatiana [176]

Answer:

Having brown hair and having freckles are not necessarily independent events          

Step-by-step explanation:

We are given the following information in the question:

Percentage of children having brown hairs = 46%

Percentage of people children having freckles = 25%

But it cannot be concluded that

German children of Caucasian descent are brown‑haired with freckles =

0.46\times 0.25 = 0.115 = 11.5\%

This is not always true because of the following reasons:

Brown hair and having freckles are not necessarily independent events.

We can not assume that event of a child having brown hair is independent of the event of child having freckles. The events could be dependent as well.

The above will only be true when event of a child having brown hair is independent of the event of child having freckles.

If the events are independent then,

P(A \cap B) = P(A)\times P(B)

3 0
3 years ago
Please help me with this problem
tatyana61 [14]
Sam sold half as many as Odel.
That means Odel sold twice as many as Sam.

Let x = number of pizzas sold by Sam.
Then Odel sold 2x.
Altogether they sold 126

x + 2x = 126

3x = 126

x = 42

Since x is the number of pizzas sold by Sam, that is our answer.

Answer: Sam sold 42 pizzas.
4 0
3 years ago
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