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eimsori [14]
3 years ago
11

Is 6x² + 5x polynomial

Mathematics
2 answers:
Lostsunrise [7]3 years ago
7 0
Yes the equation is polynomial
DIA [1.3K]3 years ago
4 0
In general polynomial <span>is an </span>expression<span> consisting of </span>variables<span> (or </span>indeterminates<span>) and </span>coefficients<span>, that involves only the operations of </span>addition<span>, </span>subtraction<span>, </span>multiplication<span>, and non-negative </span>integer exponents<span>. 
So this equation is polynomial</span>
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The cost of 2 jackets and 3 skirts was sh 1800. After the cost of a jacket and that of a skirt was increased by 20%,the cost of
nadya68 [22]

Answer:

New cost of jacket = 1.2x=1.2\times 600=720\ \text{sh}

New costs of skirt = 1.2y=1.2\times 200=240\ \text{sh}

Step-by-step explanation:

Let original cost of jacket = x

original cost of skirt = y

The equation will be

2x+3y=1800

New cost of jacket = 1.2x

New costs of skirt = 1.2y

The equation will be

6(1.2x)+2(1.2y)=4800\\\Rightarrow 7.2x+2.4y=4800

The equations are

2x+3y=1800  \times 0.8

7.2x+2.4y=4800

1.6x+2.4y=1440

7.2x+2.4y=4800

Subtracting the above two equations we get

-5.6x=-3360\\\Rightarrow x=\dfrac{3360}{5.6}\\\Rightarrow x=600

7.2\times 600+2.4y=4800\\\Rightarrow y=\dfrac{4800-7.2\times 600}{2.4}\\\Rightarrow y=200

New cost of jacket = 1.2x=1.2\times 600=720\ \text{sh}

New costs of skirt = 1.2y=1.2\times 200=240\ \text{sh}.

3 0
3 years ago
ATCE Learning Center wants to make a net profit of $650,000 on the manual it sells to schools. The fixed costs for producing the
Elanso [62]
We are to solve for the price per unit. Let "x" be the price per unit.
The given values are the following:
 Variable Cost = 1250,000 *x
Fixed Cost = $780,000
Net Profit = $650,000
Variable cost per unit = $19.85

The solution is shown below:
$650,000 = 1,250,000*x - $780,000 - $1,250,000*$19.85
x = $26, 242, 500 / 1,250,000 units
x = $20.994

The price per unit is $20.99 and the answer is letter "D".
6 0
2 years ago
Giraffes are herbivores,or plant eaters. A giraffe can eat up to 75 pounds of leaves each day. Write and evaluate an expression
Rudik [331]

Answer: 2625

Let’s say you multiply 5 giraffes by 75 pounds = 375lbs 5 giraffes eat a day multiply the 5 giraffes and they answer should be 2625lbs

7 0
3 years ago
1,350,000 divided by 9,349
oee [108]

Answer:

1,350,0,9,349

Step-by-step explanation:

6 0
3 years ago
I urgently need help!!
STALIN [3.7K]

Answer:

<h3> 4.9 ~cm</h3>

❅❅❅❅❅❅❅

<h3>✰<u>Using the intersecting chord theorem:-</u></h3>
  • x(10)=7(7)
  • 10x=49
  • x=49/10
  • =49

✩★✩★✩★✩★✩★✩

hope it helps...

have a great day!!

5 0
2 years ago
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