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Delicious77 [7]
4 years ago
13

HELP.....+ will give brainiest

Mathematics
2 answers:
Archy [21]4 years ago
8 0
D is the answer :3 nyah
Rus_ich [418]4 years ago
6 0
D) 10 seconds is the awnser
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5. Solve for x.<br> 21<br> 4
kenny6666 [7]

Answer: 10

Step-by-step explanation:

By the geometric mean theorem, if we let the length of the altitude to the hypotenuse be y, this means that y^{2}=84 \longrightarrow y=\sqrt{84}.

So, by the Pythagorean theorem, x=\sqrt{(\sqrt{84})^{2}+4^{2}}=\boxed{10}

7 0
2 years ago
A 4-pack of batteries costs $5.16. At this price, what is the cost of one battery?
antiseptic1488 [7]

Answer:

$1.29

Step-by-step explanation:

5.16 divided by 4

8 0
4 years ago
What is 55 1/5 - 32 3/4
garik1379 [7]

Answer:

449/20 or 22 9/20

Step-by-step explanation:

Change them to mixed numbers.

55 x 5 = 275 + 1 = 276

32 x 4 = 128 + 3 = 131

Then, convert them to a common denominator.

276 x 4 = 1104

131 x 5 = 655

1104 - 655 = 449

449/20

4 0
3 years ago
Find an equation for the nth term of a geometric sequence where the second and fifth terms are -2 and 16, respectively.
Tju [1.3M]
Hello : 
<span>the nth term of a geometric sequence is : 
Un = Up ×r^(n-p)    .   r is the common ratio 
for : p=5 and n= 2
U5 = U2 ×r^3
16 = -2 r^3
r^3 = -8
but : -8 = (-2)^3
so :  r = -2
Un = U2 × r^(n-2)
Un = -2 ×(-2)^(n-2)= (-2)^(n-2+1)

</span><span>the nth term of a geometric sequenceis : Un = (-2)^(n-1)</span>
4 0
3 years ago
Read 2 more answers
In five successive hours, a car traveled 40 km, 45 km, 50 km, 35 km and 55 km. In the next
givi [52]

Answer:

Step-by-step explanation:

5 hours × 65 km/hour = 325 km

Total distance = 40+45+50+35+55+325 = 550 km

7 0
3 years ago
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