2 years ago

Please help me! I don't know

Mathematics

1 answer:

Anvisha [2.4K]2 years ago

5 0

(B.) I think I don’t know

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A study of telephones and the risk of brain cancer looked at a group of 469 people who have brain cancer. The investigators matc

Svetlanka [38]

This is an A. observational study. They are observing the use of cell phones differs between people with or without cancer.

Happy studying ^-^

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2 years ago

Solve for b. 11 3 b b = [?] Pythagorean Theorem: a2 + b2 = c2 Enter.

balu736 [363]

Answer:

√112

Step-by-step explanation:

a^2+b^2=c^2

3^2+b^2=11^2

9+b^2=121

b^2=121-9

b^2=112

b=√112

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3 0

2 years ago

Which formula gives the zeros of y = sin(x)

mojhsa [17]

Trigonometric formula

7 0

3 years ago

I need help pls!! 20 points I need it!!

dolphi86 [110]

Answer: About 6.71 units

Step-by-step explanation:

You use the distance formula: $\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2} }$ .

Assign the the two points to the variables:

$(x_{1}, y_{1}) = (1, 3)\\(x_{2}, y_{2}) = (4, -3)$

Substitute them in the formula:

$\sqrt{(4-1)^{2}+(-3-3)^{2}}$

And solve it:

$\sqrt{(4-1)^{2}+(-3-3)^{2}}\\=\sqrt{(3)^{2}+(-6)^{2}}\\=\sqrt{9+36}\\=\sqrt{45}\\=6.71$

3 0

2 years ago

Read 2 more answers

Jack is playing a game. When a player wins 3 consecutive games, the player receives 10 bonus points and then the player’s total

Paladinen [302]

The function can be described as

b(p)= player receives 10 bonus points
b(p)= p+10

s(p)= increases 5% of the player’s current points
s(p)= p*(100%+5%)= p*1.05

then (s ∘ b)(p) would be
s(p)= p*1.05
(s ∘ b)(p)= (p+10)*1.05
(s ∘ b)(p)= 1.05p+10.5

4 0

2 years ago