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3 years ago

I-ready testing need help ASAP!

Mathematics

1 answer:

Leto [7]3 years ago

5 0

Answer:

-11/12

Step-by-step explanation:

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Please simplify the expression.

IRINA_888 [86]

Answer:

1) 15a - 15c + 3

2) -7n + 31 + 13m + 7p or 13m - 7n + 7p + 31

3) 44x + 6y + 3

4) 9m - 6n + 23

Step-by-step explanation:

1. Add like terms. 6a + 9a=15a. -8c - 7c=-15c

2. Add like terms. You can rearrange them in descending order based off of exponents and variables.

3. Multiply what's in parentheses first (distribute the 6). It should end up being (6y + 42x). Then you add like terms and put in descending order.

4. Distribute the (-3) to what in the parentheses. It should end up being (-6n + 15 - 3m). Then you add like terms and put the expression in descending order.

8 0

3 years ago

The distance from P to Q is four times the distance from Q to R. The distance from p to r is 120 metres. What is the distance fr

Leviafan [203]

|----------------------------------120 m ------------------------------|

|--------------|--------------|--------------|--------------|--------------|
P Q R

Distance from P to R = 120m

120 ÷ 5 = 24m

The distance from Q to R is 24m.

4 0

3 years ago

Read 2 more answers

Don went to his favorite restaurant and ordered a meal. His bill came out to $15.77. He wants to pay a 15% tip. How much did he

melamori03 [73]

You want to leave a 15% tip on a meal that cost $15.77.
First, convert the 15% to an actual number that can be used in a calculation. For percents,this is always done by simply dividing the percent (in this case 15%) by 100%.So, the conversational term "15%" becomes 15% / 100% = 0.15 in terms of a real mathematical number.
Second, you need to find out what 15% of your $15.77 meal cost is.This is always done by multiplying 0.15 by $15.77, or

0.15 x $15.77=$2.37.
So, the amount of tip you are going to leave is $2.37.

This makes the total cost of your meal (to write on your charge slip or other payment)

$15.77 + $2.37 = $18.14

$18.14 is your answer

5 0

3 years ago

Suppose y varies directly as x, and y=14 when x=4. What is the value of y when x=9

Katena32 [7]

Given :-

y varies directly as x, and y=14 when x=4.

To Find :-

the value of y when x=9 .

Solution :-

According to Question ,

y = kx ( k is constant )

When y = 14 and x = 4 ,

14 = k(4)
k = 14/4
k = 7/2

When x = 9 ,

y = 7/2*9
y = 63/2
y = 31.5

8 0

3 years ago

you are going on vacation and leaving your dog in a kennel. kennel a charges $25 per day which includes a one-time grooming trea

rewona [7]

Answer:

is this a quiz?

Step-by-step explanation:

8 0

3 years ago