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3 years ago

K-12.7=3.24 Solve for k K=

Mathematics

1 answer:

DedPeter [7]3 years ago

3 0

Answer:

k = 15.94

Step-by-step explanation:

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Seven more than double a number one is equal to five less than triple that number. What is that number?

Inga [223]

Answer:

$-\frac{2}{5}$

Step-by-step explanation:

$7+2n=5-3n$

$2n+3n=5-7\\5n=-2\\n=-\frac{2}{5}$

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3 years ago

The table compares the prices of four types of fruit. Which fruit is the best to buy?

taurus [48]

Divide the price by the quantity:

Bananas = 5.40 / 6 = 0.90 each

Oranges = 2.56/8 = 0.32 each

Apples = 4.68 / 12 = 0.39 each

Mangos = 3.16 / 4 = 0.79 each

Oranges have the lowest price each so are the best buy.

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3 years ago

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jok3333 [9.3K]

Triangle ABE is isosceles / Given

AB congruent to AE / Def isosceles

angle ABE congruent to angle AEB / Property of isosceles triangles

angle ABD congruent to angle AEC / Subst different name for same angles

BD congruent to EC / Given

triange ABD congruent to triange AEC / Side Angle Side

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3 years ago

Express sin A,cos A and tan A as ratios

OverLord2011 [107]

Answer:

Part A) $sin(A)=\frac{2\sqrt{42}}{23}$

Part B) $cos(A)=\frac{19}{23}$

Part C) $tan(A)=\frac{2\sqrt{42}}{19}$

Step-by-step explanation:

Part A) we know that

In the right triangle ABC of the figure the sine of angle A is equal to divide the opposite side angle A by the hypotenuse

$sin(A)=\frac{BC}{AB}$

substitute the values

$sin(A)=\frac{2\sqrt{42}}{23}$

Part B) we know that

In the right triangle ABC of the figure the cosine of angle A is equal to divide the adjacent side angle A by the hypotenuse

$cos(A)=\frac{AC}{AB}$

substitute the values

$cos(A)=\frac{19}{23}$

Part C) we know that

In the right triangle ABC of the figure the tangent of angle A is equal to divide the opposite side angle A by the adjacent side angle A

$tan(A)=\frac{BC}{AC}$

substitute the values

$tan(A)=\frac{2\sqrt{42}}{19}$

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3 years ago

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suter [353]

Answer:

Its A

Step-by-step explanation:

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3 years ago