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Oduvanchick [21]
3 years ago
13

(x2 + 3x – 4) + (2x3 - 2x + 5)​

Mathematics
2 answers:
seropon [69]3 years ago
7 0

Answer:

step-by-step.

x2+3x−4+2x3−2x+5

=x2+3x+−4+2x3+−2x+5

Combine Like Terms:

=x2+3x+−4+2x3+−2x+5

=(2x3)+(x2)+(3x+−2x)+(−4+5)

=2x3+x2+x+1

Answer:

=2x3+x2+x+1

rosijanka [135]3 years ago
7 0

Answer:

below

Step-by-step explanation:

( x^{2} + 3x - 4) + ( 2x^{3} -2x = 5) \\x^{2} + 3x - 4 + 2x^{3} - 2x + 5 \\x^{2} + (3x-2x) + 2x^{3} + ( 5 - 4) \\ x^{2} + x + 2x^{3} + 1 \\ 2x^{3} + x^{2} + x + 1

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The diameter of a circle is 14 inches, Eind the circumference and area. Use<br> Find<br> 22 for it.
snow_lady [41]

Answer:

Step-by-step explanation:

If diameter is 14 inches radius = d/2 = 14/2 = 7 inches

Circumference = 2 pi R = 2 × 22/7 × 7

= 44 inches

Area = pi R square = 22/7 × (7)^2

=22/7 × 49

= 154 inches

Hope this helps

7 0
3 years ago
What is the equation of a line that passes through the point (8, −2) and is parallel to the line whose equation is 3x + 4y = 15?
Dafna1 [17]

Step 1

<u>Find the slope of the given line</u>

we have

3x+4y=15

Isolate the variable y

Subtract 3x both sides

3x+4y-3x=15-3x

4y=-3x+15

Divide by 4 both sides

y=-\frac{3}{4}x+ \frac{15}{4}

the slope of the given line is

m=-\frac{3}{4}

Step 2

Find the equation of the line that passes through  the point (8,-2) and is parallel to the given line

we know that

if two lines are parallel, then their slopes are equal

The equation of the line into point-slope form is equal to

y-y1=m(x-x1)

we have

m=-\frac{3}{4}

(x1,y1)=(8,-2)

substitute in the equation

y+2=-\frac{3}{4}(x-8)

y=-\frac{3}{4}x+6-2

y=-\frac{3}{4}x+4  or  3x+4y=16

therefore

<u>the answer is</u>

y=-\frac{3}{4}x+4

or

3x+4y=16

8 0
3 years ago
An employer said the each worker receives $24 and fringe benefits for every $100 in wages at this rate what wages were earned by
Fynjy0 [20]

Answer:

approximately 43

Step-by-step explanation:

if you make fringe benefits for every 100 dollars that would mean you would have to do this 43 times in order to get the amount to 5,100

8 0
3 years ago
Perform the operation(s) and write the answer in simplest form. (12+13)÷154
wariber [46]

Answer:

0.162

Step-by-step explanation:

(12+13)/154

25/154

0.162

7 0
3 years ago
9x-6=4x+19 I don't understand this please help 10 points
Hunter-Best [27]
5x+25 final answer is x=5
3 0
3 years ago
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