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2 years ago

5-4+7x+1 use the drop down menu

Mathematics

2 answers:

In-s [12.5K]2 years ago

7 0

Answer: 2+7x

Step-by-step explanation:

First you have to do PEMDAS. Then you get this answer.

Law Incorporation [45]2 years ago

4 0

2 + 7x

you need to combine the like terms (numbers without variables) and then add the 7x.

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You would use the midpoint formula.

Step-by-step explanation:

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When the center of Earth is 3.8 × 105 kilometers from the center of the moon, the force of gravity between Earth and the moon is

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Four lines are drawn on a coordinate plane to form trapezoid WXYZ. Which statements are true about the lines? Select all that ap

Anastaziya [24]

Given a trapezoid WXYZ. In a trapezoid one pair of opposite sides are parallel .Parallel lines have same slope.Slope of line parallel to x axis is 0.If the line starts at the bottom left and goes towards the top right it has negative slope.

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2 years ago

Read 2 more answers

Let f(x) = 8x3 − 28x + 61 and g(x) = 2x + 5. Find f of x over g of x.

antoniya [11.8K]

Answer:

$4x^2-10x+11+\frac{6}{2x+5}$

Step-by-step explanation:

The given functions are:

$f(x)=8x^3-28x+61$ and $g(x)=2x+5$

By algebraic properties of functions;

$\frac{f(x)}{g(x)}=\frac{8x^3-28x+61}{2x+5}$

We perform the long division of the two polynomials as shown in the attachment.

Therefore:

$\frac{8x^3-28x+61}{2x+5}=4x^2-10x+11+\frac{6}{2x+5}$

The last choice is correct

8 0

2 years ago

Use the formula B = p(1.08)n to find the balance B (in dollars and cents) for a principal p invested at a compound interest rate

aalyn [17]

Answer:

Option D. $\$73.47$

Step-by-step explanation:

In this problem

we have

$B=P(1+r)^{t}$

where

B is the Final Investment Value or a Balance

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

in this problem we have

$t=5\ years\\ P=\$50\\ r=0.08$

substitute in the formula above

$B=\$50(1+0.08)^{5}=\$73.47$

8 0

2 years ago