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Vanyuwa [196]
3 years ago
7

PLEASEEE HELLPP FIND THE AREA

Mathematics
1 answer:
deff fn [24]3 years ago
4 0

Answer:

B.) 90 square units

Step-by-step explanation:

15 times 6 is 90 the units are unknown so units times units is square units so the answer is 90 square units or B

Hope this helps!

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Someone please help me!!!!!
Katarina [22]

1. Answer (D). By the law of sines, we have \frac{a}{\sin A}=\frac{b}{\sin B}=\frac{c}{\sin C} in any \triangle ABC.

2. Answer (C). The law of cosines, c^2=a^2+b^2-2ab\cos C,accepts up to three sides and an angle as an input.

3. Answer (D). Although this triangle is right, we are not given enough information to uniquely determine its sides and angles - here, we need either one more side or one more angle.

4. Answer (D). Don't get tripped up by answer choice (C) - this is just a rearrangement of the statement of the law of cosines. In choice (D), the signs of a^2 and 2ab\cos C are reversed.

5. Answer (B). By the law of sines, we have \frac{5}{\sin 40^\circ}=\frac{3}{\sin\theta}. Solving gives \theta\approx \boxed{23^\circ},157^\circ. Note that this is the <em>ambiguous (SSA) case</em> of the law of sines, where the given measures could specify one triangle, two triangles, or none at all!

6. Answer (A). Since we know all three sides and none of the angles, starting with the law of sines will not help, so we begin with the law of cosines to find one angle; from there, we can use the law of sines to find the remaining angles.

6 0
3 years ago
matilda is considering getting a credit card and using it instead of cash. which of these is good reason for her to do so?
IrinaK [193]
She will be able to keep track of her purchases easier.
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3 years ago
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PLEASE HELP!!!!!!!!!!AND READ ALL PLEASE
Scrat [10]
It terminates <span>9÷16=<span>.5625</span></span>
6 0
3 years ago
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What is 8 wholes and 3/4 subtracted by 2 wholes and 1/4
Pepsi [2]
6 wholes and 2/4))hhh
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3 years ago
One card is selected at random from a deck of cards. Determine the probability that the card selected is a card greater than 3 a
Svetlanka [38]

Answer:

4/13

Step-by-step explanation:

Count all cards that are 4, 5, 6, and 7 (each of 4 different suits) so the number of cards that is greater than 3 and less than 8 = 4(4) = 16.

There are 52 cards in a standard deck of cards.

P(greater than 3 and less than 8)

= 16/52

= 4/13

7 0
2 years ago
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