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inessss [21]
3 years ago
10

Select the correct answer.

Mathematics
2 answers:
alexgriva [62]3 years ago
3 0

Answer:

D. 157

Step-by-step explanation:

4(x^2+3)-2y

4(6^2+3)-2(-1/2) add in given values

4(39)+1.     start with parentheses

156+1.        combine like terms

157.            answer

anygoal [31]3 years ago
3 0

Answer:

D. 157

Step-by-step explanation:

Hi there!

We want to find the value of the expression 4(x²+3)-2y is when x=-6 and y=-1/2

Let's first simplify the expression, as that will likely make it easier

Distribute 4 to both x² and 3

4x²+12-2y

That's the expression

Substitute -6 as x into the expression

4(-6)²+12-2y

Raise (-6) to the second power

4*36+12-2y

Multiply 36 by 4

144+12-2y

Add 12 and 144 together

156-2y

Now the expression is 156-2y

But remember that we know that y=-1/2, and we haven't substituted it into the expression yet

Substitute -1/2  as y into the expression

156-2(-1/2)

Multiply

156+2/2

Simplify

156+1

Add

157

Hope this helps!

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guapka [62]

Answer:

a

Step-by-step explanation:

The T-Chart is a handy graphic organizer students can use to compare and contrast ideas in a visual representation. T-Charts can be used in any content area or genre, such as with books or book characters, scientific phenomena, or social studies events.

3 0
3 years ago
Help me pls! this is due tonite . I'm doing a ged practice test and I just have a few questions I haven't answered
beks73 [17]

Answer:

Step-by-step explanation:

36x⁴ /12x⁴ + 12x⁸ / 12x⁴

3x+x²

3 0
3 years ago
is 3x+4y=12 linear or nonlinear......is y=1/2x+6 linear or nonlinear......is y=4x to the power of 2 linear or nonlinear......is
Ilya [14]

3x+4y=12 is Linear.

y-1/2x+6 is Linear.

y=4x^2 is nonlinear.

y+2=|4| is linear.

y+6=4x is linear.

In order to tell whether an equation is linear or not, you have to first see if there is any variable^2 or more than ^1. If that is the case, it isn't linear. For example the equation x^2=4 or y^5=100 isn't linear. It also isn't linear if the equation is divided by X or Y.For example the equation 1/x=1 isn't linear or 1/y^2=5 isn't linear.

A question is also linear if you can write it in the form y=mx+b , 'm' meaning the slope of the equation and 'b' meaning the y-intercept of the equation.

3 0
4 years ago
Read 2 more answers
Really need helpppp?!
user100 [1]

Answer:

6.43

pls follow me and mark brainliest ...thank u

Step-by-step explanation:

length of side x will be

Tan tita = opp/adjacent

tan65 = x/3

tan 65 is 2.14

so...you are left with 2.14=x/3

by cross multiplying

x= 2.14 × 3

= 6.43

5 0
3 years ago
Select the correct answer.
Aliun [14]

Answer:

The answer is C, both include stocks, bonds, and cash.

Step-by-step explanation:

Plato says some similarities between long-term and short-term investments include:

  • Stocks, bonds, and cash are involved in both types of investments.
  • Investors incur gains and losses on both.
  • Investors incur fees and other expenses on both types of investments. Common fees include broker trading fees, commissions, and taxes.

Plus, I just took the test on Plato and got this correct. I hope this helps!

6 0
3 years ago
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