3 years ago

How do you write linear equations in standard form? I'm so confused

Mathematics

1 answer:

Vlada [557]3 years ago

5 0

Ax + By = C. -A/B is the slope and C is intercept

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What is the value of the expression below when x equals 5 6x3^ + 8x

Ghella [55]

790

1) Since it's been given the expression 6x³+8x, let's plug into that the value for x=5

6x³+8x Plug into that x =5

6(5)³+8(5)

6(125) +8(5) Distribute the factors

790

2) So the answer is 790

3 0

1 year ago

A cat weighs 8 1/4 pounds.

Brilliant_brown [7]

8 1/4 pounds converted to ounces is 132 ounces. 1 pound is 16 ounces, so all you have to do is multiply the number of pounds by 16.

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3 years ago

Part A: The line of best fit for this data is y = 5.3x + 23 . Use this equation to make a conjecture about the temperature of th

Luda [366]

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3 years ago

Write an equation for the nth term of the arithmetic sequence 37, 29, 21, 13, ....

aleksley [76]

Answer:

n= 37 -8n

the first n is the end result, the second in the equation is the __ number, the nth number

Step-by-step explanation:

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3 years ago

Kenny had 5/7 more trading cards than Lee. After Kenny collected 50% more trading cards, he had 220 more trading cards than Lee.

Monica [59]

Answer:

140 cards

Step-by-step explanation:

-Let x be the total number of trading cards Lee has.

-Therefore, each person has:

$Lee= x\\\\Kenny=1\frac{5}{7}x$

#Kenny collects 50% more. We multiply his current amount by 1.5times:

$=1\frac{5}{7}\times 1.5\\\\=2\frac{4}{7}x$

#We are given that Kenny's new number is 220 more than Lee's x. We therefore equate and solve as below:

$2\frac{4}{7}x-x=220\\\\1\frac{4}{7}x=220\\\\=140$

Hence, Lee had 140 cards

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3 years ago