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DIA [1.3K]
2 years ago
12

What is the product of 2x+3 and 4x² - 5x+6?

Mathematics
1 answer:
Pie2 years ago
5 0

Answer:

none

Step-by-step explanation:

(2x+3)(4x^2-5x+6)

factor over

8x^3-10x^2+12x+12x^2-15x+18

combine like terms

8x^3 + 2x^2 - 3x + 18

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A sports club needs to raise at least $500 by selling chocolate bars for $2.50 each. Sebastian wants to know how many chocolate
mario62 [17]

Answer:

The inequality should be written as $2.50 times c is greater than or equal to c.

Step-by-step explanation:

First, identify what you know:

1) Each chocolate bar is $2.50

2) Sebastian needs to raise at least $500

So, Sebastian needs to sell at least enough chocolate bars to hit $500. The inequality cannot be written as less than or equal to, because he can't sell less than the number of chocolate bars needed to make $500.

Automatically, I can calculate the minimum number of bars he'll need to sell.

500/2.50 = 200 chocolate bars minimum

c must equal greater than or equal to $500, for Sebastian to raise enough money! So, basically Sebastian has to sell 200 bars OR more.

Hope this helps! :)

4 0
3 years ago
Read 2 more answers
A bag contains blue and pink balls. There are 8 more blue balls than pink balls. Identify the expression that represents the pro
8_murik_8 [283]
Let 
b---> the original amount of blue balls in the bag
p---> the original amount of pink balls in the bag

we know that
b=8+p
p=5
so
b=8+5----> b=13

step 1
Find the total of balls originally in the bag
total =13+5-----> 18

step 2
find <span>the probability that a person will pick a blue ball first
</span>Find P(b)
P (b)=13/18

step 3
Find the probability that a person will pick a pink ball second <span>without replacement
the total of balls now is (18-1)-------> 17
P(p)=5/17

step 4
Find </span><span>the probability that a person will pick a blue ball first and then a pink ball without replacement 
</span>(13/18)*(5/17)-----> (13*5)/(18*17)------> 65/306-----> 0.21

the answer is
0.21
7 0
3 years ago
Read 2 more answers
A painter uses the expression 35h + 30c to determine how much he charges a customer for a job that takes h hours and c cans of p
Savatey [412]

Answer:

c) $615

Step-by-step explanation:

The expression used to determine how much is the charge for the customer after the job is

p=35h+30c

where

h is the number of hours the job took

c is the number of cans of paint used during the job

In this problem:

c = 3 (the painter used 3 cans of paint)

h = 15 (the painter took 15 hours for the job)

So substituting these values into the equation for p, we find the total value that the painter charged for the job:

p=35\cdot 15 + 30 \cdot 3 =615

So, the correct answer is

c) $615

5 0
3 years ago
A person standing on the bank of a river finds that the angle of elevation of the top of a tower on the opposite bank is 45°. Th
nataly862011 [7]

Answer:

C

Step-by-step explanation:

Since this creates a 45-45-90 triangle, we know they are equal since the legs of 45-45-90 triangles are congruent

8 0
3 years ago
Read 2 more answers
What are the roots of the equation 2x^2+85=7
Alex777 [14]
THE ROOT IS 24 TIMES 15 WHICH IS IDK DUDE
7 0
3 years ago
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