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2 years ago

Which equations have a leading coefficient of 3 and a constant term of –2? Check all that apply.

2 answers:

8 0

Answers are: choice A, choice C, choice E

Explanation: The leading coefficient is the number that is to the left of the term with the largest exponent, which in this case is 2. The term 3x^2 is the leading term with the coefficient of 3. This is why the leading coefficient is 3 for choice A, choice C, and choice E. Choice B has a leading coefficient of -3 so we can rule that out. Choice D has a leading coefficient of 3, but the constant term is NOT -2. Instead the constant term is +2, so we can rule out choice D as well. The other choices that haven't been eliminated all have 3x^2 somewhere in them, as well as the constant term -2. The other x term isn't relevant to the restrictions placed in the instructions.

Phoenix [80]2 years ago

5 0

Answer:

a,c,e

Step-by-step explanation:

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(x+2y = 10 16y=-3x+30

Harlamova29_29 [7]

Answer:

x = 10, y = 0

Step-by-step explanation:

x + 2y = 10

x = 10 - 2y (Bring the 2y to the right)

16y = -3x + 30

16y = -3(10 - 2y) + 30 (Substitute x to 10 - 2y)

16y = -30 + 6y + 30 (Expand brackets)

10y = 0 (Bring y to the left)

y = 0

x = 10 - 2(0) (Substitute y = 0)

x = 10

x = 10, y = 0

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3 years ago

Which graph shows the equation v=4+2t

ehidna [41]

You need to give options for future reference

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3 years ago

P= $1,000, t= 6, r= 11%, compounded annually (k = 1)

kobusy [5.1K]

Answer: well if p= $1000 and t=6 and r-11 % then 6k+11=1000 then 11- 1000 is 6k=989 divide 6/ 164.83 i think

Step-by-step explanation:

8 0

3 years ago

According to the empirical rule, if the data form a "bell-shaped" normal distribution, ________ percent of the observations will

jekas [21]

According to empirical rule, the area under the normal distribution or "bell-shaped curve", when plotted as a function of the z-parameter can be defined in terms of percentages.
The z-parameter (or z-score) is defined as
$z= \frac{x- \mu }{ \sigma }$
where
x = value of random variable,
μ = the mean,
σ = standard deviation,

The total area under the curve = 1.
The curve below shows that within 2 standard deviations from the mean, the total area under the curve is 95% of the total area.

Answer: 95%

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3 years ago

Solve : 2/3+(x)=3 A)-4/3 B)-7/3 C)4/3 D)7/3

snow_tiger [21]

Answer:

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers