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Stolb23 [73]
3 years ago
8

5(2y -6 ) + 5 = 2 (5y -15) +5

Mathematics
1 answer:
kicyunya [14]3 years ago
6 0

Answer: the answer is all real numbers

Step-by-step explanation: when you have this type of equation you would want to distribute 5 into 2 y and the -6 and 2 into 5y and -15

for more help just look up a calculator online

i noticed after a few steps you would get 10y on each side when i solved it. It gave me 0=0

there fore the numbers are equal

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The floor of the cage measures 11 yardyard wide by 66 feetfeet long. One bag of shavings covers 55 square feetfeet. How many bag
bazaltina [42]

Answer:

3 3/5 bags

Step-by-step explanation:

We have to find the surface area of the floor of the cage first.

The cage measures 1 yard wide by 6 feet long.

1 yard = 3 feet

The floor of the cage is rectangular, so, the surface area of the floor of the cage is therefore:

3 * 6 = 18 square feet

One bag of shavings covers 5 square feet.

To find the number of bags we need to cover the floor, we divide the surface area of the floor by the number of bags per square feet.

The number of bags needed for the floor of the cage is therefore :

18 / 5 = 3 3/5 bags

5 0
3 years ago
A line has a slope of -2 and a y-intercept of –3. Graph the line using the slope and y-intercept.
masha68 [24]

Answer:The answer is 231

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
PLEASE HELP ME ON THIS ALGEBRA PROBLEM!!!
dexar [7]
<h3><em>y(1)=(-1)3+3x(-1)-(-1)-3</em></h3><h3><em>=-1-3+1-3</em></h3><h3><em>=-6</em></h3><h3><em>y=-6</em></h3><h3><em>x=-1</em></h3>

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8 0
3 years ago
Of the cars sold during the month of July, 89 had air conditioning, 99 had an automatic transmission, and 74 had power steering.
DedPeter [7]

Answer:

There are a total of 23 cars with air conditioning and automatic transmission but not power steering

Step-by-step explanation:

Let A be the cars that have Air conditioning, B the cars that have Automatic transmission and C the cars that have pwoer Steering. Lets denote |D| the cardinality of a set D.

Remember that for 2 sets E and F, we have that

|E \cup F| = |E| + |F| - |E \cap F|

Also,

|E| = |E ∩F| + |E∩F^c|

We now alredy the following:

|A| = 89

|B| = 99

|C| = 74

|A \cap B \cap C| = 5

|(A \cup B \cup C)^c| = 24

|A \ (B U C)| = 24 (This is A minus B and C, in other words, cars that only have Air conditioning).

|B \ (AUC)| = 65

|C \ (AUB)| = 26

|B \cap C| = 11

We want to know |(A∩B) \ C|. Lets calculate it by taking the information given and deducting more things

For example:

99 = |B| = |B ∩ C| + |B∩C^c| = 11 + |B∩C^c|

Therefore, |B∩C^c| = 99-11 = 88

And |A ∩ B ∩ C^c| = |B∩C^c| - |B∩C^c∩A^c| = |B∩C^c| - |B \ (AUC)| = 88-65 = 23.

This means that the amount of cars that have both transmission and air conditioning but now power steering is 23.

3 0
3 years ago
HELP ME WITH PRECALC QUESTION
Maksim231197 [3]

Answer:

D

Step-by-step explanation:

1. calculate the expression

2.multiple reorder

3.remove parenthesis

7 0
3 years ago
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