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olga55 [171]
3 years ago
6

Which equation would best help solve the following problem?

Mathematics
1 answer:
forsale [732]3 years ago
6 0
Your answer is <span>–4.9t^2 + 15t + 1 = 0

Hope this helps.

</span>
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Bob’s father has 4 children. Momo, Meme, and Mumu are three of them. Who’s the fourth?
aleksandr82 [10.1K]
Bob is the fourth child, as the sentence states "Bobs FATHER"
3 0
3 years ago
Read 2 more answers
A triangle has two sides measuring 16 and 21. The included angle is 116°. What is the length of the side opposite the 116° angle
aleksley [76]

Answer: A. 31.5

Step-by-step explanation:

Using law of cosine because it is side angle side

a=16

b=21

angle = 116

c^2=a^2+b^2-2ab cosC, let C be the angle given

c^2=(21)^2+(16)^2-2(16)(21) cos(116)

c^2=441+256-672 cos(116)

i used a ti-89 and answered the right side and got

(you can find a ti-89 simulator online, but for problems like this make sure it is in degree mode)

991.585

c^2=991.585

take square root of both sides

=31.4894, which if you round it up it would be 31.5, so the answer would be A

therefore:

a=16

b=21

c=31.5

4 0
3 years ago
2.5 X 10^5 divided by 1.0 X 10^10
bekas [8.4K]

Answer:

0.000025

Step-by-step explanation:

PEMDAS (Exponets first.)

10^5 = 100,000

10^10 = 10,000,000,000

rewrite

2.5 x 100,000 divided by 1.0 x 10,000,000,000

PEMDAS (multiplication next.)

2.5 x (10^5) = 250,000

1.0 x (10^10) = 10,000,000,000

rewrite.

250,000 divided by 10,000,000,000 = 0.000025

0.000025

6 0
3 years ago
Lori is running in a marathon, which is 28.4 miles she ran 0.1 of it already. How far has Lori run?
hoa [83]
So she ran the 0.1 of the 28.4
That is she ran 1% of 28.4 miles
0.1 * 28.4 is 2.84

Hope this helps :)
7 0
3 years ago
Which property is shown?
solniwko [45]

Associative Property of Addition hope this helps

8 0
3 years ago
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