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Sergio [31]
3 years ago
7

Please answer asap. thank you :).

Mathematics
2 answers:
Vitek1552 [10]3 years ago
8 0

Answer:

A

Step-by-step explanation:

AnnZ [28]3 years ago
8 0

Answer:

Letter A is the answer

......

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Julianne drew the line segment below. Use your ruler to measure the segment to the nearest fourth inch
kicyunya [14]

Answer:need help

Step-by-step explanation:

7 0
3 years ago
What is the factored form of 2x2 + x-3?
Vesnalui [34]

Answer:

Step-by-step explanation:

a = 2, b = 1, c = -3

We need to factor this by finding the product of a and c, then from there find which factors of a * c will either add or subtract to give us b.

a * c = 6  and the factors of 6 and 1 and 6, 2 and 3.  Well, 6 - 1 doesn't equal 1 and neither does 6 + 1.  So our factors are 3 and 2.  In order to combine those to get a 1 (our b), we will subtract 2 from 3 since 3 - 2 = 1.  That means that 3 is positive and 2 is negative.  Filling in the formula with 3 and 2 in place of 1 looks like this (always remember to put the absolute value of the largest number first):

2x^2+3x-2x-3=0

Group the first 2 terms together and the second 2 term together in order to factor:

(2x^2+3x)-(2x-3)=0 and factor out what's common in each set of parenthesis.

x(2x+3)-1(2x+3)=0

Notice that when we factor out a -1 from the second set of parenthesis, we can distribute it back in to get the equation we started with.  We know that factoring by grouping "works" if what is inside both sets of parenthesis is exactly the same.  Ours are identical: (2x + 3).  That is common now, and can be factored out:

(2x+3)(x-1)=0

That matches your first choice

6 0
3 years ago
A bank account starts off with 2000 dollars in it and each week 100 dollars are added​
wariber [46]

Answer:

= 2100 is your answer

4 0
2 years ago
Read 2 more answers
6. The ABC Book Club charges a $40 monthly fee, plus $2 per book read in that month. The Easy Book Club charges a $35 monthly fe
d1i1m1o1n [39]

The expression for the cost of the ABC Book Club is 2<em>x </em>+ 40.  The expression for the cost of the Easy Book Club is 3<em>x</em> + 35.  To find when the total charge for both book clubs is equal, the two expressions must equal each other. (<em>x </em>= the number of books read)

2<em>x </em>+ 40 = 3<em>x</em> + 35

Subtract 35 from both sides.

2<em>x </em>+ 5 = 3x

Subtract 2<em>x </em>from both sides.

5 = <em>x</em>

So, the total charge for each club is equal when 5 books are read.

5 0
3 years ago
Which is larger, 7 x 10-8or 3 x 10-9? Estimate how many times larger.
olasank [31]
7 x 10 - 8 is larger by approximately 30
4 0
3 years ago
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