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Radda [10]
3 years ago
12

Number 4 i don’t know how to do this one

Mathematics
1 answer:
Kruka [31]3 years ago
3 0

Answer:

r= 3 h = 6 then use 3^2 + 6^2 = l^2

Step-by-step explanation:

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Polygon ABCD is dilated, rotated, and translated to form polygon A′B′C′D′. The endpoints of AB are at (0, -7) and (8, 8), and th
Anton [14]

Rotation and translation are rigid transformations, they don't change figure sizes. Dilation change figure sizes increasing or decreasing them by scale factor.

First, find AB and A'B' by the formula:

AB=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}= \sqrt{(8-0)^2+(8-(-7))^2}=\sqrt{8^2+15^2}=\sqrt{64+225}=\sqrt{289}=17,\\ \\A'B'=\sqrt{(x_{B'}-x_{A'})^2+(y_{B'}-y_{A'})^2}= \sqrt{(2-6)^2+(1.5-(-6))^2}=\sqrt{4^2+7.5^2}=\sqrt{16+56.25}=\sqrt{72.25}=8.5.

As you can see AB=2A'B'. This means that the segment AB was decreased twice to form segment A'B'. Then the scale factor is 1/2.

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3 years ago
Which statement about area is true?
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Answer:

i say maybe c

Step-by-step explanation:

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2 years ago
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Can someone PLEASE PLEASE HELP!!! I will mark brainliest!
Tcecarenko [31]
Its 2 i guess but im not sure
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Four times a number times three is the same as five plus the number; is the equation
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who knows fraction on daily basic for a living because i need help thank you i will give you 50 point if you do?
e-lub [12.9K]

Answer:

EATING OUT: Have you ever gone out to eat with a group of friends but the waitress brings only one check? To divide up the bill, you’ll need to use fractions.

BACK TO SCHOOL SHOPPING: Your son really wants those new Lebron kicks and you’ve agreed to pay ½. How much are they if you find a ¼ off sale?

GROCERY SHOPPING: You set aside your grocery budget and made your list. Sales tax and coupons all use fractions.

MEAL PREP FOR THE FAMILY: Cooking for 4 people but the recipe serves 10? You’ll need to use fractions to divide the ingredients.

SPORTS: The NBA Finals are on. Fractions are used to determine statistics and shooting percentages.

CONTRACT WORK: Buying a car? Signing a lease on an apartment? Making your own jewelry and working with a supplier? For all of these things (and many others) you’ll need to use fractions when negotiating the contract rates.

FITNESS: Before starting a diet, you should know your Body Mass Index. This BMI number is calculated using fractions. Dieting? You’ll need fractions to know how many calories you are taking in vs. how many calories you are using.

JEWELRY: 24 karats is pure gold, and 18 karats is 18/24 which equals 75% gold. Using fractions to understand jewelry purity could save you money!

COCKTAILS: Good bartenders know how to mix drinks and fractions are used to determine how much of each ingredient is added.

PIZZA FOR THE KIDS: Mealtime doesn’t have to be a battle about who got more. Use fractions to split the pie evenly.

PAY: Did you recently get a raise? Does a quarter of your pay go towards healthcare? How much should you invest in retirement? Fractions will determine how much you actually take home.

MONEY IN GENERAL: A quarter is a ¼ of a dollar. Dimes are 1/10 of a dollar. If you know fractions, adding your money is quick and easy.

GAS TANK: If you’ve got an 1/8 of a tank, how much further can you drive? Prices to fill up also use fractions.

FAST FOOD: Can you eat two quarter-pounders with all of the toppings? You’ve just consumed a half a pound of meat.

PHOTOGRAPHY: Shutter speed is calculated using fractions of a second.

HOMEWORK ASSIGNMENTS: Your child got 38/51 questions correct. A solid understanding of fractions will help you determine if the child should be rewarded or grounded.

PRESCRIPTIONS: Whether you, your child, or your pet is sick, medicine dosages are often determined with a fraction of parts to weight. Different body sizes require different dosages.

PARTY PLANNING: Use fractions to determine how much food to get, how many drinks you’ll need on hand, and table settings.

CHECKING PROGRESS: Use fractions to determine rate of improvement. For example, if you called 25% more customers this month than last month, you might want to ask for a raise.

TIME: An hour and a half. A quarter of an hour. Time is commonly measured in fractions.

Step-by-step explanation:

3 0
2 years ago
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