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3 years ago

Who wants 50 points???

Mathematics

2 answers:

Nataly_w [17]3 years ago

7 0

Answer:me

Step-by-step explanation:

bagirrra123 [75]3 years ago

5 0

I want 50 points and can I also get brainliest. Thank you!! Much appreciated.

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Holly spends 7 3/5 hours in school each day. Her lunch is 1/2 hour long, and she spends 7/10 of a hour switching classes. The re

Ira Lisetskai [31]

y = 7 + 3/5
y = 35/5 + 3/5
y = 38/5
y = 2*(38/5)
y = 76/10
---
lunch time:
z = 1/2
z = 5*(1/2)
z = 5/10
---
time switching classes:
w = 7/10
---
y - 6x - z - w = 0
6x = y - z - w
x = (y - z - w)/6
x = (76/10 - 5/10 - 7/10)/6
x = (76 - 5 - 7)/(10*6)
x = (64)/(10*6)
x = (2*2*2*2*2*2)/(2*5*2*3)
x = (2*2*2*2)/(5*3)
x = 16/15

x = 1.0666666666
---
check:
y = 7 + 3/5
y = 7.6
z = 1/2
z = 0.5
w = 7/10
w = 0.7
y - 6x - z - w = 0
6x = y - z - w
x = (y - z - w)/6
x = (7.6 - 0.5 - 0.7)/6
x = 1.0666666666

answer:
1.07 hours

5 0

3 years ago

For problem 5, use the ordered pairs to answer the following question. MUST SHOW YOUR WORK FOR FINDING SLOPE.

Firlakuza [10]

Answer:

graph them and then see if they intersect(but if you notice that the coordss of the second line are all smaller than the coords of the first line, meaning that they wont be touching at all)

Step-by-step explanation:

7 0

3 years ago

PLEASS HELP!!

Vinvika [58]

Answer:

The answer is B

Step-by-step explanation:

By proportion , 3 : 2.91 = 2: x . then you write it in fraction

5 0

2 years ago

9. Michelle likes chocolate but it causes acne. She chooses to limit herself to three chocolate bars every 5 days. (So, she eats

OverLord2011 [107]

Answer:

Arithmetic

An = A[n - 1] + 3/5

An = 3/5[n]

Step-by-step explanation:

Number of days = 5

Number of chocolate = 3

Computation:

Recursive:

Number of chocolate eat per day = 3/5

So,

First term a1 = 3/5

So,

An = A[n - 1] + 3/5

Explicit:

An = 3/5 + 3/5[n-1]

An = 3/5[n]

4 0

3 years ago

What is the value of f(-1) when f(x)=2x+2? F(-1)=?

igomit [66]

Here is your function:

$f(x)=2x+2$

You're looking for f(-1). To get your answer, you have to replace all the x's with -1.

Here is your new equation:

$f(-1) = 2(-1)+2$

Multiply 2 by -1

$2 \times -1 = -2$

Remember:

MULTIPLYING

Positive(+) times negative(-) is equal to negative

Positive(+) times positive(+) is equal to positive

Negative(-) times negative(-) is equal to positive

Negative(-) times positive(+) is equal to negative

DIVIDING

Positive(+) divided by positive(+) is equal to positive

Positive(+) divided by negative(-) is equal to negative

Negative(-) divided by positive(+) is equal to negative

Negative(-) divided by negative(-0 is equal to positive

Since you're multiplying a negative number by a positive number, the answer will be negative.

Here is your new equation:

$f(-1) = -2+2$

Add -2 and 2:

$-2+2 = 0$

That means your answer is 0

↓

$f(-1)=0$

If you have any questions, feel free to ask in the comments! :)

5 0

3 years ago