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3 years ago

12

Kira needs 3,000 milligrams of zinc for a science experiment. Which expression can be used to determine how many grams of zinc s

he needs? A. 1,000 ÷ 3,000

1 answer:

harina [27]3 years ago

8 0

Answer: 3,000 divided by a thousand

Step-by-step explanation: 1,000 milligrams equal one gram so you divide the number of milligrams by 1,000 to find out the number of grams.

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¿Cuál de los siguientes valores de n hace CIERTA

olga_2 [115]

Answer:

B

Step-by-step explanation:

n³-125=0

n³=125

n= ³√125

n=5

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3 years ago

When coin 1 is flipped, it lands on heads with probability .4; when coin 2 is flipped, it lands on heads with probability .7. On

I am Lyosha [343]

Answer:

Solution Let E1 be the event that coin 1 is selected and E2 the event that coin 2 is selected. Let F be the event that exactly 7 of the 10 flips lands on heads, let G be the event that the fist flip is heads.

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3 years ago

Please help soon! Will give branliest!

rosijanka [135]

Answer:

1. .26

2. .29

3. .22

4. .23

Step-by-step explanation:

3.1 ÷ 12 = .26

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<em>good luck, i hope this helps :)</em>

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3 years ago

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A chord is 48 cm long and is 7 cm from the center of the circle. What is the length of the radius (r) of the circle?

ra1l [238]

Answer:

95

Step-by-step explanation:

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3 years ago

What is the slope of the line with the equation y-3=-1/2(x-2)?

torisob [31]

Answer: $-\frac{1}{2}$

Step-by-step explanation:

$y -3 = -\frac{1}{2}(x-2)$

Write as slope-intercept form y = mx + b, where m is the slope and b is the y-intercept.

$y-3=-\frac{1}{2}x + 1$

$y = -\frac{1}{2}x+4$

Therefore, the slope is $-\frac{1}{2}$ .

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2 years ago