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saul85 [17]
3 years ago
12

Which expression is the simplest form of 3(2x + y) + 4(x - 4y) + x2?

Mathematics
2 answers:
g100num [7]3 years ago
7 0

Answer:

x^2 +  10x - 13y.

Step-by-step explanation:

3(2x + y) + 4(x - 4y) + x^2   First apply the Distributive law to the parentheses:

= 6x + 3y + 4x - 16y + x^2  Now add like terms:

= 10x - 13y + x^2.

Elan Coil [88]3 years ago
7 0

Which expression is the simplest form of 3(2x+y)+4(x-4y)+x^{2}?

Answer:

x^{2}-13y+10x

Step-by-step explanation:

3(2x+y)+4(x-4y)+x^{2}

6x+3y+4x-16y+x^{2}

x^{2}-13y+10x

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Calculate 13.5 % of $ 660
atroni [7]

Answer:

$89.1

Step-by-step explanation:

13.5 % of $660

= 13.5/ 100 × 660

= 0.135 × 660

= 89.1

hence, $ 89.1

8 0
2 years ago
Bad Investment After Mrs. Fisher lost 9% of her investment, she had $22,750. What was Mrs. Fisher's original investment?​
stira [4]

Answer:

$2500

Step-by-step explanation:

Given that,

The lost percentage = 9%

Amount she had = $22,750

We need to find Mrs. Fisher's original investment.

As she had lost 9%, it means she will remain with 91% of her investment. Let the original investment is x.

So,

91\%\ of \ x=22,750\\\\\dfrac{91}{100}x=22,750\\\\x=\dfrac{22,750\times 100}{91}\\\\x=\$25000

So, her original investment is equal to $25000.

7 0
3 years ago
Which of the following is fartherest to the left on a number line 1/5, (0.1)to second power, 0.02
Alexxx [7]
1/5 is .2
.1^2 is .01
.02 is .02

So the furthest left  would be the smallest number, which in this case is 0.1^2
5 0
3 years ago
A collection of 19 coins consisting of nickels and dimes is worth $1.35. How many dimes are there
pshichka [43]

Answer:

There are 8 dimes there.

Step-by-step explanation:

This question is solved used a system of equations.

I am going to say that:

x is the number of nickels.

y is the number of dimes.

19 coins

This means that x + y = 19.

A nickel is worth $0.05. A dime is worth $0.1. The total of these coins is $1.35. So

0.05x + 0.1y = 1.35

How many dimes are there?

We have to find y.

From the first equation: x = 19 - y.

Replacing in the second:

0.05(19 - y) + 0.1y = 1.35

0.95 - 0.05y + 0.1y = 1.35

0.05y = 0.4

y = 0.4/0.05

y = 8

There are 8 dimes there.

3 0
3 years ago
In the figure, angle A measures 41° and angle D measures 32°. What is the measurement of angle E?
netineya [11]

triangles angles always add up to 180° that being said,

41+32=73

180-73=107

angle e= 107°

hope this helps!

6 0
3 years ago
Read 2 more answers
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