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3 years ago

Triangle ABC is reflected over the X axis. TRIANGLE ABC has points A(10,2) B(9,5) C(6,4). What is the C coordinate

Mathematics

1 answer:

gavmur [86]3 years ago

4 0

1. Let A(a,b) be a point in the coordinate axis. The reflection of A with respect to the x-axis is the point A'(a, -b).

2. So the reflection of C(6, 4) is C'(6, -4)

3. Remark, a picture is always helpful when dealing with reflections.

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In 4 hours, an experienced cook prepares enough pies to supply a local restaurant's daily order. Another cook prepares the sam

vodka [1.7K]

Answer:

$9\frac{1}{3}hours$

Step-by-step explanation:

Let third cook take x hours to prepare the same number of pies y alone

Let y be the number of pies

In 1 hour ,third cook prepare pies= $\frac{y}{x}$

One experienced cook takes time to prepare enough pies =4 hours

In 1 hour , cook prepare pies= $\frac{y}{4}$

Another cook takes time to prepare same number of pies =7 hours

In 1 hour , another cook prepare pies= $\frac{y}{7}$

All three cooks take time to prepare the same number of pies=2 hours

In 1 hour,all three cooks prepare pies= $\frac{y}{2}$

According to question

$\frac{y}{4}+\frac{y}{7}+\frac{y}{x}=\frac{y}{2}$

$y(\frac{1}{4}+\frac{1}{7}+\frac{1}{x})=\frac{y}{2}$

$\frac{1}{4}+\frac{1}{7}+\frac{1}{x}=\frac{1}{2}$

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

$\frac{1}{x}=\frac{14-7-4}{28}=\frac{3}{28}$

$x=\frac{28}{3}=9\frac{1}{3}$ hours

Hence, the third cook takes time to prepare the same number of pies alone= $9\frac{1}{3}hours$

8 0

3 years ago

3 points<br> Identify which of the below are functions.

EleoNora [17]

C,f and b I think because u only look at the x and nothing else but when u looking in a linear graph u do a the straight line test

7 0

3 years ago

PLEASE ANSWER ASAP, WILL GIVE BRAINLIST, 50 POINTS AND 5 STARTS IF 100% CORRECT.

ELEN [110]

Yellow and 1: Fraction = 1/15 Decimal = .067 Percent = 6.7%

Red and odd: Fraction = 2/15 Decimal = .133 Percent = 1.3%

PS. I rounded decimals to nearest thousandth, and decimals to nearest tenth.

5 0

3 years ago

use algebraic manipulation to find the minimum sum-of-products expression for the function x1x2'x3' + x1x2x4+x1x2'x3x4'

Dennis_Churaev [7]

Answer:

sum of products expression = x₁x₂x₃' + x₁x₂'x₄ + x₁x₂x₄

Step-by-step explanation:

Given function ( f ) = x₁x₂'x₃' + x₁x₂x₄ + x₁x₂'x₃x₄'

using algebraic manipulation

f = x₁ [ x₂'x₃' + x₂x₄ + x₂'x₃x₄' ]

= x₁ [ x₂'( x₃' + x₃x₄') + x₂x₄ ]

next apply Boolean rules

a + bc = ( a + b )(a + c )

a' + a =1

hence

minimum sum-of-products expression = x₁x₂x₃' + x₁x₂'x₄ + x₁x₂x₄

7 0

3 years ago

I don’t understand this

IrinaVladis [17]

It wants you to find how much money you will spend a year at each separate gym. That way you can find out which one is cheaper. Once you’ve done that, you need to find how many days it would take for both gym’s cost to be the same after so many days.

7 0

3 years ago