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xxTIMURxx [149]
3 years ago
9

Add-one fourth to 5 times b

Mathematics
2 answers:
Deffense [45]3 years ago
8 0

Answer:

5b+1/4

Step-by-step explanation:

Mamont248 [21]3 years ago
3 0

Answer:

1/4+5b

Step-by-step explanation:

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Jessica had 207 dollars to spend on 8 books. After
Aleksandr-060686 [28]

207$ - 15$ = 192$

192$ : 8 = 24$

Answer: Each book costed 24$.

6 0
3 years ago
a rock is thrown from the top of a tall building. the distance, in feet, between the rock and the ground x seconds after it is t
frez [133]

Answer:

1.5 seconds

Step-by-step explanation:

Since f(x) represents the distance from the ground to the rock (in feet), we just need to find the values of x for which f(x) = 340. Substituting f(x) = 340 into f(x) = -16x² - 4x + 382 gives us:

340 = -16x² - 4x + 382

0 = -16x² - 4x + 42 (Subtract 340 from both sides)

16x² + 4x - 42 = 0  (Multiply entire equation by -1, "flip" equation)

8x² + 2x - 21 = 0    (Divide entire equation by 2)

(4x + 7)(2x - 3) = 0  (Factor LHS)

4x + 7 = 0 or 2x - 3 = 0 (Zero Product Property)

4x = -7 or 2x = 3 (Subtract -7 and add 3 from/to both sides, respectively)

x = -\frac{7}{4} = -1.75 or  x =\frac{3}{2} = 1.5

x = -1.75 is an extraneous solution because in the context of the question, you can't have negative seconds so therefore, the final answer is 1.5 seconds.

Hope this helps!

3 0
2 years ago
Who need points?? Okay come and get it lol​
Butoxors [25]

thanks, appreciate it

4 0
3 years ago
Read 2 more answers
What’s the answer?? I need asap!
Softa [21]

Answer:

120°

Step-by-step explanation:

Opposite angles in a cross of 2 lines like this are equal;

A = 120 and B = D = 60°

8 0
2 years ago
Read 2 more answers
The graph of which function passes through (0,3) and has an amplitude of 3?
attashe74 [19]

Answer:

D

Step-by-step explanation:

8 0
3 years ago
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