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krek1111 [17]
3 years ago
7

Download QUIZ 8.1-2.doc Can someone PLease help me solve dis

Mathematics
1 answer:
OverLord2011 [107]3 years ago
5 0

Answer:

OK

Step-by-step explanation:

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Which of the following is equivalent to (2x + 3)(2x + 3)?
Kryger [21]

Answer:

(2x+3)(2x+3)=4x^2+12x+9

Step-by-step explanation:

we are given

(2x+3)(2x+3)

Firstly, we will distribute it

=2x\times 2x+2x\times 3+3\times 2x+3\times 3

now, we can simplify it

=2\times 2\times x\times x+2\times 3x+3\times 2x+9

=4x^2+6x+6x+9

=4x^2+12x+9

so, we get simplified term as

(2x+3)(2x+3)=4x^2+12x+9

7 0
4 years ago
Read 2 more answers
What is the value of x in the equation 13 x minus 2 (8 + 5 x) = 12 minus 11 x?
AnnZ [28]

The value of n in given proportion is 16

<u><em>Solution:</em></u>

We have to find the value of "n" in the proportion

<em><u>Given proportion is:</u></em>

<em><u></u></em>\frac{n}{28} = \frac{4}{7}<em><u></u></em>

We can solve the above proportion by cross-multiplying

Multiply the numerator of the left-hand fraction by the denominator of the right-hand fraction

Multiply the numerator of the right-hand fraction by the denominator of the left-hand fraction

Set the two products equal to each other

Solve for the variable

->\frac{n}{28} = \frac{4}{7}

-> 7 *  n = 4 * 28

-> n = \frac{4 * 28}{7}

-> n = 4 * 4 = 16

Thus the value of n in given proportion is 16

6 0
3 years ago
Read 2 more answers
Size Cost 4R = $0.25 per photo 5R = $0.50 Per photo 6R = $0.80 per photo A school ordered 308 photos of size 4R and some photos
lbvjy [14]

Answer:

0.25×308=$77

185-77=$108

108/0.50×1

=216photos

Total photos=216+308

=524photos

Step-by-step explanation:

3 0
3 years ago
Jordan is mixing water and flour to make tortillas. The number cups of water, w needed for f cups of flour is described by the e
Tresset [83]

Answer:

1\frac{1}{3} cups of flour.

Step-by-step explanation:

Given that:

w is the number of cups of water to be mixed with flour for making tortillas.

f is the number of cups of flour to be mixed with water for making tortillas.

Relation between w and f is given by the equation:

w=0.75f

To find:

Number of cups of flour to be added if number of cups of water to be used is 1.

Solution:

We are given an equation with two variables.

Value of one variable is given and we have to find the value of other variable.

1=0.75f\\\Rightarrow f = \dfrac{1}{0.75}\\\Rightarrow f = 1.33

Number of cups of flour to be added = 1\frac{1}{3}

6 0
3 years ago
A jar of marbles contains 5 blue 12 red, and 8 yellow marbles. what is is probability that you you select a blue marble, keep it
Natali5045456 [20]

Answer:

Step-by-step explanation:

Add the number of marbles together then you but the number of blue ones first 5 to 25 chances

6 0
3 years ago
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