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3 years ago

Greatest common factor of 2, 15 , 6

Mathematics

1 answer:

ratelena [41]3 years ago

3 0

Answer:Gcf=1.

Step-by-step explanation: The factors of 2 are: 1, 2 .

The factors of 6 are: 1, 2, 3, 6 .

The factors of 15 are: 1, 3, 5, 15.

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Solve the system y= 4x + 1 and 3x+2y =13

Irina18 [472]

Given :

${\qquad \sf \dashrightarrow y= 4x + 1 \: –––– \sf \: (i)}$

${\qquad \sf \dashrightarrow 3x + 2y = 13 \: –––– \sf \: (ii)}$

Now, Substituing the value of y in equation (ii) :

${\qquad \sf \dashrightarrow \: 3x + 2y = 13 }$

${\qquad \sf \dashrightarrow \: 3x + 2(4x + 1) = 13 }$

${\qquad \sf \dashrightarrow \: 3x + 8x + 2 = 13 }$

${\qquad \sf \dashrightarrow \: 11x + 2 = 13 }$

${\qquad \sf \dashrightarrow \: 11x = 13 - 2 }$

${\qquad \sf \dashrightarrow \: 11x = 11 }$

${\qquad \sf \dashrightarrow \: x = \dfrac{11}{11} }$

${\qquad \sf \dashrightarrow \bf \: x = 1 }$

Now, substituting the value of x in equation (i) :

${\qquad \sf \dashrightarrow y= 4x + 1}$

${\qquad \sf \dashrightarrow y= 4(1) + 1}$

${\qquad \sf \dashrightarrow y= 4 + 1}$

${\qquad \bf \dashrightarrow y= 5}$

3 0

2 years ago

If ∠C and ∠D are vertical angles and m ∠ C = x + 5 and m ∠ D = –2x + 80, what is m ∠ C?

amm1812

Answer:

m∠C=30°

Step-by-step explanation:

we know that

Vertical Angles are the angles opposite each other when two lines cross. They are always equal

m∠C=m∠D

substitute the given values

$(x+5)\°=(-2x+80)\°$

Solve for x

$x+2x=80-5\\3x=75\\x=25$

Find the measure of angle C

m∠C=(x+5)°

substitute the value of x

m∠C=(25+5)=30°

3 0

3 years ago

What is the area of the triangle formed from (-2,2), (1,2) and (0,-6)

Aleks04 [339]

Answer:

I think it's 12

Step-by-step explanation:

Hope it helps!

5 0

2 years ago

The ratio of boys to girls at a daycare is 5 to 4 which of these cannot be the total number of kids at the daycare ?

Andre45 [30]

I believe the answer is D

6 0

3 years ago

Mrs.Ramirez bought 2 qt of orange juice. If the juice is served in 6-oz glasses,how many glasses can be completely filled?

alekssr [168]

Hey there!

There is 32 oz per qt. 2qts=64oz. Divide 64 by 6. 6 goes evenly into 64 10 times with a remainder. So the answer is 10 glasses.

Hope this helps!

4 0

3 years ago