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3 years ago

Write 4x^2(–2x^2 + 5x^3) in standard form. Then classify it by degree and number of terms.

Mathematics

2 answers:

REY [17]3 years ago

6 0

Standard form, hmm.
Multiplying an exponent is just adding, so let us do this.
Simplified, the answer should be

aleksandr82 [10.1K]3 years ago

5 0

20x⁵ - 8x⁴
degree-5 terms-2

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Write the equation of a line that is perpendicular to x=3x=3x, equals, 3 and that passes through the point (0,-4)(0,−4)left pare

leva [86]

Answer: $x+3y=12$

Step-by-step explanation:

Slope of two lines that are perpendicular to each other is 1.

If one line is $y=3x$ , then its slope = 3 [by comparing to the linear equation y= mx+c, here m=3]

Let n be the slope of the required line, then

$n\times3=-1\\\\\rightarrow\ n=\dfrac{-1}{3}$

Equation of line with slope n and passers through (a,b) is

$(y-b)=n(x-a)$

Equation of line with slope n= $\dfrac{-1}{3}$ and passes through point ( 0,-4) :

$(y-(-4))=\dfrac{-1}{3}(x-0)\\\\\Rightarrow\ y+4=\dfrac{-1}{3}x\\\\\Rightarrow\ -3(y+4)=x\\\\\Rightarrow-3y-12=x\\\\\Rightarrow x+3y=12$

Hence, Required equation : $x+3y=12$

8 0

2 years ago

Victoria went shopping for ingredients to make a stew.The table shows the weight and cost of each of the ingredients that she bo

djverab [1.8K]

Answer:

a) the beef cost the most

b) $125.8

Step-by-step explanation:

A) 1.2 potatoes

1.8 carrots

2.39 beef

.5 peppers

B) 15.30-.5=14.80 x 8.5=125.8

7 0

3 years ago

Use properties of addition and subtraction to evaluate the expression. −28−47−12

Brrunno [24]

The answer would be -87

6 0

2 years ago

Fractions greater than one 7-4

Oksana_A [137]

N > 1/3
n = 1/4

sorry if I was wrong

5 0

3 years ago

Read 2 more answers

Anybody know this plz help me

aniked [119]

y= -3/1x + 5

i believe you just miscounted

4 0

3 years ago

Read 2 more answers