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3 years ago

Please answer I will give the brainliest if FIRST and RIGHT

Mathematics

2 answers:

hodyreva [135]3 years ago

8 0

I did my math and looked it up to make sure I was right and it’s the second expression

Elis [28]3 years ago

3 0

Answer:

Step-by-step explanation:

I got - 70/9 or -7 7/9

The third option.

1/3y-7/5x+2/3-2/3y-4/9

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4.6.PS-12 Question Help Frank is going to plant n vegetable seeds in one garden and 3n + 2 vegetable seeds in another. How many

miskamm [114]

Answer:

Step-by-step explanation:

4 0

3 years ago

If a thermometer indicates 40 degrees Celsius, what is the temperature in degrees Fahrenheit?

Stells [14]

<span>So we wan't to convert the temperature from Celsius scale to fahrenheit scale. The method fot that is this: First, 0 degrees Celsius or the starting point of Celsius scale is 32 degrees Fahrenheit. And the magnitude of a degree Fahrenheit is 1.8 times greater than the magnitude of a degree Celsius, or: 1F=1.8F. So now we can construct a function that will give us temperature in degrees Fahrenheit: T(F)=1.8T(C) + 32. We have T(C)= 40, and after we put that in our function we get: T(F)= 1.8*40 + 32 = 72 + 32 = 104 F. So 40 degrees Celsius is 104 degrees Fahrenheit. </span>

8 0

3 years ago

How many integers between 10 and 60, inclusive, can be evenly divided by neither 2 nor 3?

erastovalidia [21]

Find total number of integers.

$a_1=10,a_n=60,d=1 \\a_n=a_1+(n-1)d \\60=10+(n-1)1 \\n-1=50 \\n=51$

Find how many integers is divisible by 2.

$a_1=10,a_n=60,d=2
\\a_n=a_1+(n-1)d
\\60=10+(n-1)2
\\2(n-1)=50
\\n-1=25
\\n=26$

Eliminate even numbers.

11, 13, 15,..., 57, 59

This array contains 51 - 26 = 25 numbers.

Eliminate numbers before the first number divisible by 3 and after the last number divisible by 3.

15, 17, 19,..., 55, 57

This array contains 25 - 3 = 22 numbers.

Now we should eliminate numbers divisible by 3: 15, 21, 27...

$a_1=15,a_n=57,d=6,n=?
\\a_n=a_1+(n-1)d
\\57=15+(n-1)6
\\6(n-1)=42
\\n-1=7
\\n=8$

There are 8 such numbers.

Therefore, there are 25 - 8 = 17 numbers that <span>can be evenly divided by neither 2 nor 3</span>

6 0

3 years ago

Eli's Bakery recently spent a total of $91 on new equipment, and their average hourly operating costs are $6. Their average hour

skelet666 [1.2K]

Answer:

this is your answers for

Step-by-step explanation:

8hrs and both equal

5 0

2 years ago

I NEED HELP PLEASE !!!!!

erastovalidia [21]

Answer:

c= (f-d)/ab

Step-by-step explanation:

abc+d = f
Subtract f from both sides so abc= f-d
Divide by ab from both sides so c = (f-d)/ab

8 0

3 years ago