2 years ago

Does anybody know the answer??

Mathematics

2 answers:

alexandr1967 [171]2 years ago

5 0

Answer:

i think the answer is c

Step-by-step explanation:

stira [4]2 years ago

4 0

Answer is D :) hope that helped

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Can someone please help me on this question? 30 points

romanna [79]

Answer:

Equation: 3x-20+x=180

4x-20=180

4x=200

x=50

Step-by-step explanation:

5 0

3 years ago

The law of cosines is used to find the measure of Z.

Vlad [161]

we know that

The formula of the law of cosines is

$z^{2}=a^{2} +b^{2}-2*a*b*cos (Z)$

in this problem we have

$16^{2}=18^{2} +19^{2}-2*18*19*cos (Z)\\256=324+361-684*cos (Z)\\256=685-684*cos (Z)\\-429=-684*cos (Z)\\\\cos (Z)=\frac{429}{684}\\\\ \\Z=arc\ cos(\frac{429}{684})\\\\\\Z= 51.157$

Round to the nearest whole degree

Z=51 degrees

therefore

the answer is

51 degrees

4 0

3 years ago

Read 2 more answers

Solve this equation with the variable on both sides 6x - 2 = 7x+1

maria [59]

Answer:

x=-3

Step-by-step explanation:

6x - 2 =7x +1

6x - 7x =1+2

-x=3

x=-3

6x - 6x - 2=7x - 6x +1

0-2=x+1

-2=x+1

x=-2-1

x=-3

6 0

3 years ago

What is the third term of the sequence? A 25 B 50 C. 35 D 20

hjlf

Answer:

Step-by-step explanation:

35 is the third term of the sequence

Have a great day

8 0

3 years ago

a map represents every 4 miles with 1 inch.if a school and a bank are actually 12 miles apart,how far apart are they on the map,

irakobra [83]

Answer:

3 inches

Step-by-step explanation:

4 miles = 1 in

12 miles = 3 inches

Multiply both side of equation by 3.

3 0

3 years ago