There are 15 trees in a backyard. If 20% of the trees are oak, how many oak trees are there ?

Mathematics

2 answers:

eimsori [14]2 years ago

7 0

Answer:

Step-by-step explanation:

Take 20 % of the 15 trees in the backyard

.20 * 15

There are 3 oak trees in the backyard

Sever21 [200]2 years ago

3 0

Answer:

Step-by-step explanation:

divide 15 by 20% or you could just search it on googs ‍♀️

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An ore ship is traveling west toward Duluth on Lake Superior at 18 miles per hour. The bearing of Split Rock Lighthouse is 285de

Luda [366]

<span>You are given an ore ship that is traveling west toward Duluth on Lake Superior at 18 miles per hour with a bearing of 285deg Split Rock Lighthouse. Also, after 1 hour the bearing of the lighthouse is 340deg. The distance between the ship and the lighthouse when the second bearing is determined is 35 miles.</span>

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3 years ago

Does this matrix have an inverse?why or why not ?

Ierofanga [76]

Answer:

C. No, because it's determinant is zero

Step-by-step explanation:

$A= \begin{bmatrix} 16 & - 4\\\\ 8 & - 2\end{bmatrix}$

$det(A) =\begin{vmatrix} 16 & - 4\\\\ 8 & - 2\end{vmatrix}$

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2 years ago

Help will give crown!!

AleksandrR [38]

Answer:

Mixed number: $3\frac{15}{100}$

Improper fraction: $\frac{315}{100}$

Step-by-step explanation:

A mixed number is a number that contains an integer part and a fraction part.

An improper fraction is a fraction where the numerator is greater than the denominator.

$3.15$ can be written as $\frac{315}{100}$ in its fraction form. This would be an improper fraction since the numerator is greater than the denominator.