3 years ago

Help me plzz and It's continue of math

Mathematics

1 answer:

DedPeter [7]3 years ago

4 0

Answer: I only answered number 3

Step-by-step explanation: Jenni has a box of chocolates. The box contains 6 plain, 4 milk and 5 white chocolates.?

Jenni takes 2 chocolates at random from the box. Work out the probability that at least 1 of these chocolates will be milk chocolate.

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Find the unit rate. A 6oz jar of jalapeños cost $2.34

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1oz cost $0.39 which will be the unite rate

Step-by-step explanation:

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4 years ago

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Kenneth rode his skateboard 3 miles to the park and it took him 30 minutes. What was his speed

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Answer:

$speed = \frac{distance}{time} \\ = \frac{3}{( \frac{30}{60} )} \\ = 3 \times 2 \\ = 6 \: miles \: per \: hour$

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3 years ago

The sun is 62 degrees above the horizon. A tree casts a shadow that is 12 feet long. How tall is the tree?

hammer [34]

Answer:

22.6 feet

Step-by-step explanation:

Let x be the length of tree

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3 years ago

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katrin2010 [14]

The graph of a quadratic equation will always cross the x-axis, that’s false because only the y-axis can cross into in only one place.

5 0

3 years ago

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kolbaska11 [484]

Use the Pythagorean theorem:

$a^2+(2\sqrt3)^2=(4\sqrt3)^2\\\\a^2+2^2(\sqrt3)^2=4^2(\sqrt3)^2\\\\a^2+4\cdot3=16\cdot3\\\\a^2+12=48\ \ \ \ |-12\\\\a^2=36\to a=\sqrt{36}\\\\\boxed{a=6\to C.}$

Used:

$(a\cdot b)^n=a^n\cdot b^n\\\\(\sqrt{a})^2=a$

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3 years ago