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goblinko [34]
4 years ago
13

The difference of a number and 7 is 8

Mathematics
2 answers:
Alchen [17]4 years ago
8 0
The equation would look like x-7=8.
To solve it, you add 7 on both sides to get x=15
Eddi Din [679]4 years ago
4 0
Let the number be h
H-7=8
H=8+7
H=15
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Subtract 28 from 54, and then subtract the difference from 32. Which expression means the same as the words ?
Shkiper50 [21]

Answer:

54-28=26-32=6

Step-by-step explanation:

54-28=26

32-26=6

7 0
3 years ago
Which could be the entire interval over which the function, f(x), is positive? a 2-column table with 8 rows. the first column is
Brut [27]

The entire interval over which the function, f(x), is positive is (-∞,1).

<h3>What is a function?</h3>

A mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable. In mathematics, functions exist everywhere, and they are crucial for constructing physical links in the sciences.

Each element of X receives exactly one element of Y when a function from one set to the other is used. The set X is referred to as the function's domain, while the set Y is referred to as the function's codomain.

According to the question,

The function has positive values corresponding to the interval from negative infinity to one.

Learn more about functions here:

brainly.com/question/6561461

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7 0
2 years ago
The probability of drawing a red candy at random from a bag of 25 candies is 2/5. After 5 candies are removed from tehe bag, wha
yaroslaw [1]

Given:

The probability of drawing a red candy at random from a bag of 25 candies is \dfrac{2}{5}.

To find:

The probability of randomly drawing a red candy from the bag after removing 5 candies from the bag.

Solution:

Let n be the number of red candies in the bag. Then, the probability of getting a red candy is:

P(Red)=\dfrac{\text{Number of red candies}}{\text{Total candies}}

\dfrac{2}{5}=\dfrac{n}{25}

\dfrac{2}{5}\times 25=n

10=n

After removing the 5 candies from the bag, the number of remaining candies is 25-5=20 and the number of remaining red candies is 10-5=5.

Now, the probability of randomly drawing a red candy from the bag is:

P(Red)=\dfrac{5}{20}

P(Red)=\dfrac{1}{4}

Therefore, the required probability is \dfrac{1}{4}.

3 0
3 years ago
Taki and Connor invest $20 in drink mix, sugar, and paper cups for a lemonade stand. after 5 hours they have made $50 in profits
Irina-Kira [14]
They will make 70 dollars




50/5 = 10 so they make 10 dollars an hour 8 - 1 equals 7 so 10 times 7 hours is 70
5 0
3 years ago
How many solutions does y=2x+2,4x-2y=4 have?
Leni [432]
Write as a system y= 2 x + 2.4x - 2y = 4

{y = 4
{2x + 2.4x - 2y = 4

Substitute the value of y into the equation

2x + 2.4x - 2 x 4 = 4

Solve the equation

x= 30/ 11

A possible solution is

(x, y) = (30/11, 4)

Check the solution

4 = 2 x 30/11+ 2.4 x 30/11 - 2 x 4 = 4

Simplify the expression

4 = 4 = 4

The ordered pair is a solution

(x, y) = ( 30/11, 4)



8 0
4 years ago
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