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lina2011 [118]
3 years ago
8

Can someone help me plz

Mathematics
1 answer:
crimeas [40]3 years ago
5 0

a_n=a_{n-1}+6 \: \text{where} \: a_1=-14

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Nicole and adam are each saving money for a car. the total amount of money nicole will save is represented by the function f (x)
Yakvenalex [24]
For this case we have the following functions:
 f (x) = 36 + 4x
 g (x) = x2 + 15
 By matching both functions we have:
 f (x) = g (x)
 36 + 4x = x2 + 15
 Rewriting we have:
 x2 + 15 - 4x - 36 = 0
 x2 - 4x - 21 = 0
 Solving the polynomial we have:
 (x-7) (x + 3) = 0
 x = -3
 x = 7
 Taking the positive root we have:
 x = 7
 Answer:
 
They will have the same amount of money saved after:
 
x = 7 weeks
8 0
3 years ago
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Decrease 160 by 6% .
likoan [24]

Answer:

150.4

Step-by-step explanation:

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Which of the following fractions is not in simplest form?<br> 4/15<br> 7/10<br> 9/12<br> 3/4
Dominik [7]

Answer:

9/12

Step-by-step explanation:

Both 9 and 12 can be divided by 3, so it is not in simplest form.

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3 years ago
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Chris can be paid in one of two ways. Plan A is a salary of ​$490 per​ month, plus a commission of 9​% of sales. Plan B is a sal
Tanya [424]

Step-by-step explanation:

Explanation:

First, when dealing with percents, "Percent" or "%" means "out of 100" or "per 100", Therefore x% can be written as

 x/100.

The expression for Plan A can be written as:

490+(9/100)s where s is the sales for the month.

The expression for Plan B can be written as:

826+(3/100)s

The question we are being asked is when is Plan A > Plan B. So, we can write and solve this inequality:

490+(9/100)s>826+(3/100)s

490+(9/100)s−490−(3/100)s>826+(3/100)s−490−(3/100)s

490−490+(9/100)s−(3/100)s>826−490+(3/100)s−(3/100)s

0+(9/100)s−(3/100)s>826−490+0

(9/100)s−(3/100)s>826−490

(9/100−3/100)s>336

(6/100)s>336

(100/6)×(6/100)s>(100/6)×336

s> 33600/6

s>5,600

 Plan A is better when sales for the month are greater than $5,600.

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3 years ago
A child makes selections from a large jar that contains blue, orange, and red gumballs. The child will select gumballs until he
Basile [38]

Answer:

The answer is B. Individual

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3 years ago
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