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earnstyle [38]
3 years ago
13

What is the remainder when (4x3 + 2x2 − 18x + 38) ÷ (x + 3)? 2 12 96 110

Mathematics
2 answers:
Brilliant_brown [7]3 years ago
6 0
°°°4°°°2°°°-18°°°°°°38
•|
-3|°°°-12°°°30°°°°°-36
------------------------------'
°°°4°° -10 12°°°°° °°2
remainder=2
AlexFokin [52]3 years ago
3 0

Answer:  First Option is correct.

Step-by-step explanation:

Since we have given that

(4x^3+2x^2-18x+38)\div(x+3)

We will apply the "Remainder Theorem ":

So, first we take

g(x)=x+3=0\\\\g(x)=x=-3\\\\and\\\\f(x)=4x^3+2x^2-18x+38

So, we will put x=-3 in f(x).

f(-3)=4\times (-3)^3+2\times (-3)^2-18\times (-3)+38\\\\f(-3)=-108+18+54+38\\\\f(-3)=2

So, Remainder of this division is 2.

Hence, First Option is correct.

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What additional Information needed to prove the triangles are congruent by the SAS Postulate? Angle XWY cong angle ZWY; angle YX
marusya05 [52]

Answer:

WX = WZ

Step-by-step explanation:

Given

See attachment for triangles

Required

Additional information to prove the congruence of the triangles

Congruence by SAS means 1 angle and 2 sides of each triangles are equal.

The mark on angle W means that <XWY = <ZWY--- This represent the A in SAS

Both triangles share line WY.

So, WY = WY

Lastly, to complete the proof, lines WX must equal line WZ

6 0
2 years ago
8. Find the value of x so that line mis parallel to line l. (1 p<br><br> (3x+21)°<br><br> (4x-7)
dybincka [34]

Answer: The value of x is 28.

Step-by-step explanation:

Since line m is parallel to line l.

So, we assume that

(3x+21)° and (4x-7)° are corresponding angles.

And we know that , corresponding angles formed when a transversal cut the  parallel line are equal.

So, they must be equal to each other.

3x+21=4x-7\\\\21+7=4x-3x\\\\28^\circ=x

Hence, the value of x is 28.

6 0
3 years ago
The slope that passes through the point (-2,-4) and (-3,-8) is
enot [183]

Answer:

y=4x+b (four being the slope)

Step-by-step explanation:

So lets use

ΔY/ΔX

or the y2-y1 over x2-x1

\frac{-8+4}{-3+2}

\frac{-4}{-1}

Therefore, the slope is 4

7 0
2 years ago
Read 2 more answers
1= 1/4c what is c ? pls help i could not figure this one out haha
tino4ka555 [31]

Step-by-step explanation:

it say the answer is 4 but I don't know how

8 0
3 years ago
What is the area of the parallelogram? ​
slega [8]

Answer:

A=Bh

Step-by-step explanation:

use that formula for your calculation and it should help hopefully

3 0
2 years ago
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