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4 years ago

I REALLY NEED HELP !!! HOW DO YOU DO THIS?

Mathematics

1 answer:

vredina [299]4 years ago

6 0

Answer:

Step-by-step explanation:

a. AB pass thro' (0,3) n (5,0)

so its eqn is (y-3)/(x-0) = (3-0)/(0-5)=-3/5

y=(-3/5)x + 3

b. area of ABC=1/2*base*height

=1/2*3*5=7.5

c. line perpendicular to AB has slope = 1/slope of line AB

= 1/(-3/5)

= -5/3

it passes thro' A (0,3) which is the y-intercept

so its eqn is y = (-5/3)x + 3

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I need help with this one question.

Tom [10]

Answer:

answer a

Step-by-step explanation:

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4 years ago

A submarine travels through the water at an elevation of - 203 meters (it travels below the surface). The sub starts to rise. Th

rjkz [21]

Well see here that it practically gives us the answer. The submarine rises 4.3 meter each minute of the first 15 minutes. Multiplying these two given numbers you get 64.5 . Great we're halfway through. Now onto the second equation. 5.2 times 12 . easy right? The answer round to 62.4 . Now all that's left to do is add the two together. After the 27 minutes the submarine should be at an elevation of 126.9 feet. rounding to 127 if you teacher requires you to round the numbers.

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3 years ago

Andreas plays soccer video game he earns three stars for every goal he scores and loses 3/4 stars every time he misses the goal

lakkis [162]

Answer: 12 stars

Step-by-step explanation:

First find out the number of stars he gained by scoring goals:

= Number of goals scored * Stars if goal is scored

= 5 * 3

= 15 stars

Then find out the number of stars he is to lose by missing the goal:

= No. of goals missed * stars if goal missed

= 4 * 3/4 stars

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3 0

3 years ago

Determine the slope of a

AysviL [449]

Answer:

m = 3/5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m = \frac{y_2-y_1}{x_2-x_1}$
Perpendicular lines are the negative reciprocal of the given line

Step-by-step explanation:

Step 1: Define

Identify

Point G(-2, 3)

Point H(1, -2)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Line GH

Substitute in points [Slope Formula]: $\displaystyle m = \frac{-2-3}{1--2}$
[Fraction] Subtract: $\displaystyle m = \frac{-5}{3}$

Perpendicular line

Negative: $\displaystyle m = \frac{5}{3}$
Reciprocate: $\displaystyle m = \frac{3}{5}$

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3 years ago

Given the point (18, -10), apply the rule and tell the image after the translation as an ordered pair with no spaces.

marta [7]

Answer:

(7,-19)

Step-by-step explanation:

18 - 11 = 7

-10 -9 = -19

4 0

3 years ago