How do you so he special right triangles?

Answers

Answer 1

Answer: Here is a diagram of the special right triangles

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What expression is equivalent to -5x^(2)-10x

Answers

Good morning ☕️

Answer:

-5x(x + 2)

Step-by-step explanation:

the key is factoring:

-5x² - 10x = -5x × (x) - 5x × (2) {here we notice that -5x is a common factor}

= -5x(x + 2)

_________________________________

Answer:

$- 5 {x}^(2) - 10x \n = - 5 x(x + 2)$

hope this helps you

Complete the comparison: 17 > ?
a. 39
b. 17
c. 1
d. 18

Answers

(c). 1 your ans is 1.

Answer:

Solution: 17 > 1

Step-by-step explanation:

First of all, let's make a review of Greater and Lower Than symbols

a < b means that a is lower than b.

a > b means that a is grater than b.

Notice that vertex of < sign always points to the smallest number.

Using our own words, the expression 17 > ? means that 17 is greater than an unknown number ?.

We are going to test each of the options to find the one that satisfies that 17 is greater than the tested number.

17 > 39 means that 17 is greater than 39. This is False since 39 is greater than 17.

17 > 17 means that 17 is greater than 17. This is False since 17 equal to 17.

17 > 1 means that 17 is greater than 1. This is True since 17 is greater than 1.

17 > 18 means that 17 is greater than 18. This is False since 18 is greater than 17.

Mary has 18 coins with a total value of $2.85. If the coins are dimes and quarters,how many of each type of coins does Mary have

Answers

$x-dimes\ny-quarters\n\n \left\{\begin{array}{ccc}x+y=18\n0,1x+0.25y=2.85&/\cdot(-10)\end{array}\right\n+\left\{\begin{array}{ccc}x+y=18\n-x-2.5y=-28.5\end{array}\right\n------------\n.\ \ \ \ \ \ -1.5y=-10.5\ \ \ \ /:(-1.5)\n.\ \ \ \ \ \ \ \ \ \ \ \ \ y=7\n\nx+7=18\nx=18-7\nx=11\n\nAnswer:11\ dimes\ and\ 7\ quarters$

Let's say x represents the number of dimes and y represents the number of quarters.

Note: A dime is worth 10 cents and a quarter is worth 25 cents. Therefore, their coefficients would be 0.1 and 0.25 (you must divide them by 100, since 1 dollar = 100 cents).

Now you can set up a system of equations and solve by substitution.

x + y = 18
0.1x + 0.25y = 2.85

In order to substitute, you have to solve for one of the variables in terms of the other. This will be easiest to do with the first equation.

x + y = 18
y = 18 - x

Now, substitute in that value of y into the second equation.

0.1x + 0.25(18 - x) = 2.85

Now, you can solve for x.

0.1x + 4.5 - 0.25x = 2.85
- 0.15x = -1.65
x = 11

You have 11 dimes.

Now you can substitute that value into your original first equation.

(11) + y = 18
y = 7

You have 7 quarters.

Answer: 11 dimes and 7 quarters

Recipe calls for 2/5 cup of milk, how much milk should be used to make 1/8 of the recipe_____

Answers

The amount of milk that should be used to make 1/8 of the recipe is 1/20 and this can be determined by using the unitary method.

Given :

The recipe calls for 2/5 cups of milk.

The following steps can be used in order to determine the amount of milk that should be used to make 1/8 of the recipe:

Step 1 - The unitary method can be used in order to determine the amount of milk that should be used to make 1/8 of the recipe.

Step 2 - According to the given data, one recipe required 2/5 cups of milk.

Step 3 - The amount of milk required by 1/8 recipe is:

$=((2)/(5))/(1)* (1)/(8)$

Step 4 - Simplify the above expression.

$=(1)/(20)$

So, the amount of milk that should be used to make 1/8 of the recipe is 1/20.

For more information, refer to the link given below:

brainly.com/question/16807456

(2/5) / 8 = 1/20 cup of milk or 12.5 ml
2/5 cup = 100 ml
100/8=12.5ml

Joe paid $14.00 for a board game this is 70% of the original price what was the original price

Answers

Answer:

The original price was $20.00

Step-by-step explanation:

Joe paid $14.00 for a board game.

This is the 70% of the original price.

Let the original price of a board game be x

70% of x = $14.00

0.70x = 14.00

x = $(14)/(0.7)$ = $20.00

The original price was $20.00

start off by finding 10% of $14. in order to find 10%, divide it by 70 which gives 2. you now need to make the 30% to add to the 70%, by timesing the 2 by 3to give 6. now all you need to do it add the 6 to 14 to make 20!

so your answer is $20

Jason and Ron together have 97 baseball cards. Jason has four more than twice as many cards as ron. How many baseball cards does each person have?

Answers

Let r be the number of cards Ron has.

r + 2r + 4 = 97
3r + 4 = 97
3r + 4 - 4 = 97 - 4
3r = 93
3/3r = 93/3
r = 31

Ron has a total of 31 cards and Jason has a total of 66 cards.

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