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3 years ago

Can anyone answer this please? I need help

Mathematics

2 answers:

Taya2010 [7]3 years ago

8 0

area of green triangle is 12cm^2

Step-by-step explanation:

1/2×6×4

3×4

BARSIC [14]3 years ago

4 0

Answer:

84 cm squared, 30 cm squared, 18 cm squared

Step-by-step explanation:

Formula for triangle area= 1/2 Base * Height

Area for triangle ABD= 1/2 (12cm)*(14cm)

=84 cm squared

Area for triangle BC(orange triangle)= 1/2 (6cm)*(10cm)

=30 cm squared

BC= half of BD

Area for triangle CD(Green triangle)= 1/2 (6cm)*(4cm)

=12 cm squared

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A closed container has 3.06 ⋅ 1023 atoms of a gas. Each atom of the gas weighs 1.67 ⋅ 10–24 grams. Which of the following shows

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The approximate total mass= number of atoms * weight of an atom.

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3 years ago

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For a 180° rotation about the origin, write the coordinates of each point in the table.

Marta_Voda [28]

Answer:

Hey, you don't include any points, but I can give you the rule for an 180 degree rotation.

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Hope that helps!

7 0

4 years ago

HEY GUYSS PLEASE HELP I REALLY NEED THIS HEPP AND I NEED TO SHOW WORK I will mark brainliest

sladkih [1.3K]

Answer:

like terms

1.-2x-p+7z

2.7m+5n-3

3.6t+2+3s

Distribute and simplify

1.-24t-30x-12+3x

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5x+12y+35

3.24x-12-2x

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6 0

3 years ago

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The probability of a middle school student owning a skateboard is 0.58, of owning a bicycle is 0.48 and of owning both is 0.45.

Vera_Pavlovna [14]

Answer:

The probability that the middle school student owns a skateboard or a bicycle is 0.61.

Step-by-step explanation:

We are given that the probability of a middle school student owning a skateboard is 0.58, of owning a bicycle is 0.48, and owning both is 0.45.

A middle school student is chosen at random.

Let the probability of student owning a skateboard = P(S) = 0.58

The probability of student owning a bicycle = P(B) = 0.48

The probability of student owning both = P(S $\bigcap$ B) = 0.45

Now, the probability that the middle school student owns a skateboard or a bicycle is given by = P(S $\bigcup$ B)

P(S $\bigcup$ B) = P(S) + P(B) - P(S $\bigcap$ B)

= 0.58 + 0.48 - 0.45

= 0.61

Hence, the probability that the middle school student owns a skateboard or a bicycle is 0.61.

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3 years ago