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valentina_108 [34]

3 years ago

6

The new school and my parents ordered me for my birthday cost $140.00 They were not happy that they had to pay 5% shipping fee w

hat was the total cost of my new scooter excluding the tax

1 answer:

ExtremeBDS [4]3 years ago

3 0

5% of 140 is 7 so the answer is $147

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What is the angle of DBC

Licemer1 [7]

When added, these two angles are supplementary, meaning that their sum is 180. This means that we can do the following to find x, and eventually DBC:

3x+67+4x+50=180
Simplifies to:
7x+117=180
Then by the Subtraction Prop. of Equality:
7x=63
Then divide by 7 on both sides to get that x=9.

We then substitute 9 into angle DBC.
4(9)+50
=36+50
DBC=86

:)

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masha68 [24]

I think it’s c or b but I’m positive it’s b

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At a yearly basketball tournament, 64 different teams compete. After each round of the tournament, one-fourth of the teams remai

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Answer:

64*(1/4)^x

Step-by-step explanation:

64 is the starting number because it is given, and x represents how many rounds there are. 1/4 represents how much of the teams remain after each round.

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3 years ago

In the triangle below, 4/5 represents which ratio?

ASHA 777 [7]

<span><u><em>Answer:</em></u>
sin (C)

<u><em>Explanation:</em></u>
<u>In a right-angled triangle, special trig functions can be applied. These functions are as follows:</u>
sin (theta) = </span> $\frac{opposite}{hypotenuse}$
<span>
cos (theta) = </span> $\frac{adjacent}{hypotenuse}$
<span>
tan (theta) = </span> $\frac{opposite}{adjacent}$ <span>

<u>Now, let's check the triangle we have:</u>
<u>We have two options:</u>
<u>First option:</u>
5 is the hypotenuse of the triangle
4 is the side adjacent to angle B
Therefore, we can apply the <u>cos function</u>:
cos (B) = </span> $\frac{4}{5}$ <span>

<u>Second option:</u>
5 is the hypotenuse of the triangle
4 is the side opposite to angle C
Therefore, we can apply the <u>sin function</u>:
sin (C) = </span> $\frac{4}{5}$
<span>
Among the two options, the second one is the one found in the choices. Therefore, it will be the correct one.

Hope this helps :)

</span>

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3 years ago

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The measures of the three angles of a triangle are given. Find the value of x and state whether the triangle is acute, obtuse or

serious [3.7K]

I would say the answer is B x=55, acute

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3 years ago