3 years ago

Select the choice that translates the following verbal phrase correctly to algebra: the product of k and m

Mathematics

2 answers:

Sladkaya [172]3 years ago

8 0

You are correct. It is the first one.

UkoKoshka [18]3 years ago

7 0

You are right. It is the first one :)

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Use the substitution method <br> Y=-2x+11 y=-3x+21

gogolik [260]

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Y = 2 y /3 − 3

x = − y /3 + 7

Hope this helped!

6 0

3 years ago

A 20 ft. ladder is used against a 15 ft. wall. What is the measure of the angle made by the ladder and the ground (nearest whole

Brrunno [24]

Step-by-step explanation:

Given that,

The length of a ladder, H = 20 feet

The height of the wall, h = 15 ft

We know that,

$\sin\theta=\dfrac{h}{H}$

h is perpendicular and H is hypotenuse

So,

$\sin\theta=\dfrac{15}{20}\\\\\theta=\sin^{-1}(\dfrac{15}{20})\\\\\theta=48.59^{\circ}$

Now using Pythagoras theoerm,

$b=\sqrt{H^2-h^2}\\\\b=\sqrt{20^2-15^2}\\\\b=13.2\ ft$

Hence, the angle made by the ladder and the ground is 48.59° and the ladder is 13.2 feet from the wall on the ground.

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2 years ago

Express as a unit rate. $18.50 for 5 lbs

m_a_m_a [10]

Answer:

3.7 dollars per lb

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2 years ago

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What is triangle angle sum theorem

liubo4ka [24]

The triangle angle sum theorem states that the 3 angles within the triangle must have a sum that equals 180 degrees.

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3 years ago

Which shape has 2 parallel sides ready

Irina-Kira [14]

Answer:

You have two sets of parallel sides. A square has two sets of parallel sides, and it has the extra condition that all of the angles are right angles. So a square is definitely going to be a rhombus. Now, all rhombuses have four sides.

Step-by-step explanation:

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2 years ago

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