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Semmy [17]
3 years ago
8

If f(x) = 5x + 3x² - 7x

Mathematics
1 answer:
Novay_Z [31]3 years ago
4 0

Answer:

the answer is going to be A. -6x - 14 x+ 6

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Peter purchased 14 new baseball cards for his collection. This increased the size of his collection by 35%. How many baseball ca
Vlad [161]

Answer:

<em>Peter now has 54 baseball cards</em>

Step-by-step explanation:

<u>Percentages</u>

Assume Peter had x baseball cards in his collection. The 35% of his initial collection is

35 * x / 100= 0.35x

We know that those 14 new baseball cards represent a 35% of his previous collection, therefore we can set a simple equation

0.35x=14

When we solve for x, we'll know how many baseball cards Peter had before

x=14 / 0.35 = 40

Peter had 40 cards, he added 14 new baseball cards, so he now has 40+14=54

Peter now has 54 baseball cards

8 0
3 years ago
Can anyone help me? i dont get it
algol13

Because t is the number of weeks, replace t with 6 in the equation and solve for s.

s = -0.25(6) +4

s = -1.5 +4

s = 2.5

Now replace t with multiples of 6, use 12 and 18:

s =-.25(12) +4 = 1

s-0.25(18) +4 = -0.5

now fins the difference between the time frames:

2.5 - 1 = 1.5

1 - 0.5 = 1.5


The ice melts 1.5 meters every 6 weeks.

5 0
2 years ago
Write 7/200 as a decimal
Maru [420]

.035 is the answer to your question



7 0
2 years ago
Read 2 more answers
Suppose that you saw 240 minutes of commercials this week. How many hours of commercials did you see?
kicyunya [14]

Answer:

4 hours

Step-by-step explanation:

240÷60=4 hours

3 0
3 years ago
Hey I need an answer to this problem can you help
Rudik [331]

Answer:

36°

Step-by-step explanation:

Unknown Angle = 180° - 88° - 56°

Unknown Angle = 36°

5 0
3 years ago
Read 2 more answers
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