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2 years ago

An equation for the line that has a slope of 1/2 and passes through the point (-2,5)

Mathematics

1 answer:

Oksi-84 [34.3K]2 years ago

8 0

Answer:

$y = 1/2x + 6$

Step-by-step explanation:

Step 1: Find the equation

$(y - y_1) = m(x - x_1)$

$(y - (5)) = 1/2(x - (-2))$

$y - 5 = 1/2(x + 2)$

$y - 5 + 5 = 1/2x + 1 + 5$

$y = 1/2x + 6$

Answer: $y = 1/2x + 6$

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Two friends are collecting cards. Frank has 7 more than half the number of cards as his friend. Together they have 42 cards. How

Naddika [18.5K]

Answer:

The number of cards Frank has is 18 and the number of cards his friend has is 24.

Step-by-step explanation:

The correct question is

Two friends are collecting cards. Frank has 6 more than half the number of cards as his friend. Together they have 42 cards. How many cards does each friend have?

Let

x ----> the number of cards that Frank has

y ----> the number of cards that his friend has

we know that

Together they have 42 cards

$x+y=42$ ----> equation A

Frank has 6 more than half the number of cards as his friend

$x=\frac{y}{2} +6$ ---> equation B

Solve the system by substitution

Substitute equation B in equation A

$\frac{y}{2} +6+y=42$

solve for y

$\frac{3}{2}y=42-6\\\\\frac{3}{2}y=36\\\\y=36(2)/3=24$

Find the value of x

$x=\frac{24}{2} +6=18$

therefore

The number of cards Frank has is 18 and the number of cards his friend has is 24.

7 0

3 years ago

0.6630 divided by 0.51

Alisiya [41]

Step-by-step explanation:

1 act like the decimals aren't there then put 50:1 on the outside and 6630 on the inside and divide like normal

7 0

2 years ago

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A theater has 1200 seats. Each row has 20 seats. Write and solve and equation to find the number x of rows in the theatre

vfiekz [6]

Answer:

1200÷20=x and x=60

Step-by-step explanation:

x 20

---------

1200

8 0

3 years ago

What dose this equation equal ? -8x+4+(-3)=?

Marianna [84]

-8x+1 is the answer

3 0

3 years ago

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Help please please help

Semenov [28]

Answer:

Step-by-step explanation:

1,8

5,7

2,3

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3 years ago

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