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2 years ago

HURRY MY QUIZ IS TIMED Which expression is equivalent to 4x-9+6y + 17x?

Mathematics

2 answers:

NARA [144]2 years ago

8 0

Answer:

17x+6y+4x-9

Step-by-step explanation:

The numbers and varibles in the equation 4x-9+6y+17x are the same as 17x+6y+4x-9 meaning they would look the same simplified.

Nonamiya [84]2 years ago

4 0

B is probably gonna be the correct answer.

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24 is equal to 3 more than the product of 7 and number

Lostsunrise [7]

24 = 7x + 3

7x = 21

21/7 = 3, so:

x = 3

The number is 3

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3 years ago

Triangle ABC has vertices of A(-6,7) B(4,-1), and C(-2,-9). Find the length of the median from angle B in triangle ABC.

AfilCa [17]

The length of the median from angle B is 8.

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3 years ago

A triangular lot has sides of 215m, 185m, and 125m. Find the measures of the angles at its corners

Vlada [557]

Answer:

The measures of the angles at its corners are $59.1\°,35.4\°,85.5\°$

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the measure of angle A

Applying the law of cosines

$185^{2}= 215^{2}+125^{2}-2(215)(125)cos(A)$

$2(215)(125)cos(A)= 215^{2}+125^{2}-185^{2}$

$cos(A)= [215^{2}+125^{2}-185^{2}]/(2(215)(125))$ $cos(A)=0.513953$

$A=arccos(0.513953)=59.1\°$

step 2

Find the measure of angle B

Applying the law of cosines

$125^{2}= 215^{2}+185^{2}-2(215)(185)cos(B)$

$2(215)(185)cos(B)= 215^{2}+185^{2}-125^{2}$

$cos(B)= [215^{2}+185^{2}-125^{2}]/(2(215)(185))$ $cos(B)=0.81489$

$B=arccos(0.81489)=35.4\°$

step 3

Find the measure of angle C

Applying the law of cosines

$215^{2}= 125^{2}+185^{2}-2(125)(185)cos(C)$

$2(125)(185)cos(C)= 125^{2}+185^{2}-215^{2}$

$cos(C)= [125^{2}+185^{2}-215^{2}]/(2(125)(185))$ $cos(C)=0.0784$

$C=arccos(0.0784)=85.5\°$

3 0

3 years ago

Help plz math is my worst subject i have a lot of over due work

zubka84 [21]

I believe the answer is the first option. 1 to 3 with intervals of 1.
Hope this helps!

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3 years ago

Which statement is a correct interpretation of the vertical line test?

bulgar [2K]

Answer:

A and D

because those are the correct ones :)

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3 years ago