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2 years ago

Write an equation for each graph:

Mathematics

1 answer:

Amiraneli [1.4K]2 years ago

4 0

Answer:

$y=-|x+1|+1$

Step-by-step explanation:

Parent function: $y=|x|$

Reflect in the x-axis: $y=-|x|$

Translate 1 unit to the left: $y=-|x+1|$

Translate 1 unit up: $y=-|x+1|+1$

Please refer to the attachments to see the individual transformations.

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Rachel has 30 pounds of a mixture of candy that sells for $1.00/lb. If lollipops sell for $0.95/lb and caramel candies sell for

Lina20 [59]

Answer:

Twenty Pounds

Step-by-step explanation:

Equation #1:

30lbs x Mix Price = (Lollipop Lbs x 0.95) + (Caramel Lbs X 1.10)

Equation #2:

Lollipops Lbs + Caramel Lbs = 30 Lbs

Rearrange expressions to solve for different variables

EQ1: Caramel Lbs = (30 - .95 Lollipop Lbs)/ 1.10 NOTE: (mix price = 1.00)

EQ2: Lollipop Lbs = 30 - Caramel Lbs

Substitute formula 1 into formula 2

Lollipop Lbs = 30 - [(30 - .95 Lollipop Lbs)/1.10]

Distribute divisor

Lollipop Lbs = 30 - 27.2727 + .8636 Lollipop Lbs

Collect terms

Lollipop Lbs = 2.7273 + .8636 Lollipop Lbs

Remove .8336 Lollipops from both sides of the equation

.1364 Lollipop Lbs = 2.7273

Divide both sides by .1364 (Answer is 19.9949 which rounds to 20)

Lollipop Lbs = 20

PROOF:

30 = (20 x 0.95) + (10 x 1.10)

30 = 19 + 11

30 = 30 TRUE!

6 0

3 years ago

Anyone understand this? i need help :((

Zinaida [17]

Answer:

(-9,8)

(-2,8)

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5 0

2 years ago

A bag of marbles had 14 blue marbles and the rest were white. For a game, 16 marbles were chosen from the bag. Of these 16 marbl

Musya8 [376]

Answer:

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Step-by-step explanation:

6 0

3 years ago

3. Mike and Chris mowed lawns to earn money to go on a trip at the end of the month. Mike earned $20 for each lawn he mowed in h

Natali [406]

Answer:

x= The amount of lawns Mike mowed

y= The amount of lawns Chris Mowed

Equation 1: ($20+$15)(x+y)+$50=$500

Equation 2: ($20x)+($20xy)+$50=$500

3 0

3 years ago

The Third Side Is Called The base if an isosceles triangle has perimeter 345 cm and base length 85 cm what is the length of each

maks197457 [2]

Answer:

Length of each leg = 130 cm.

Step-by-step explanation:

Given that there is an isosceles triangle which has perimeter 345 cm.

Base length =85 cm.

Since other two sides are equal, let the equal size = x

Perimeter = sum of all 3 sides of a triangle

= 85+x+x = 85+2x

But perimeter = 345 (given)

So equate x term perimeter with actual

85+2x = 345

Subtract 85

2x = 260

Divide by 2

x =130 cm.

Hence answer is 130 cm.

6 0

3 years ago

Read 2 more answers