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AlladinOne [14]
3 years ago
15

last summer at camp fun okey there boys and girls the ratio is 5:7 if there were a total of 195 campers how many girls and boys

would there be. I was wondering if iny body could show me the work
Mathematics
1 answer:
Ber [7]3 years ago
6 0
I will love to help you let me do my math



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Elaine is making a flower garden with rows of flowers. The garden is 20 yards long. She wants a total of 7 rows of flowers that
aniked [119]

You would divide 20 by 7 and that is the answer

Hope this helps!

8 0
3 years ago
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ralph earns $72,000 annually as an architect and is paid semimonthly. alice also ers $72,000 but she is paid biweekly. how many
alex41 [277]

We have been given that Ralph earns $72,000 annually as an architect and is paid semimonthly.

Semimonthly means twice in a month. There are 12 months in a year.

Therefore, in a year Ralph gets

12\times 2 = 24 \text{ checks}

Now, Alice also earns $72,000 but she is paid biweekly.

Biweekly means twice a week. There are 52 weeks in a year.

Therefore, in a year Alice gets

52\times 2 = 104 \text{ checks}

The difference in the number of checks is 104 - 24 = 80

Thus, Alice receives 80 more checks in a year when compared to Ralph.

6 0
3 years ago
According to wildlife experts, the rate at which crickets chirp per minute is a function of the temperature in degrees Fahrenhei
ozzi

Answer:

Step-by-step explanation:

We will let the x coordinates be the temp and the y coordinates by the number of chirps. Our coordinates then will look like this:

(60, 84) and (85, 184). If this is linear, then first we will find the slope of the line which will tell us, in the context of this problem, how many chirps a cricket gives per 1 degree of temp increase.

The slope formula is:

m=\frac{y_2-y_1}{x_2-x_1} and filling in our numbers:

m=\frac{184-84}{85-60}=\frac{100}{25}= 4

This means that for every 1 degree temp increase, a cricket will give 4 chirps. That's the m value in y = mx + b. Now we will pick one of the coordinates, doesn't matter which one, and use those x and y values in the point-slope form of a line to get the equation. I will choose (60, 85), just because. Using the other point will give you the exact same line equation, I PROMISE!

Using 85 as y1 and 60 as x1 in

y - y1 = m(x - x1) gives us

y - 85 = 4(x - 60) and

y - 85 = 4x - 240 and

y = 4x - 240 + 85 and

y = 4x - 155

5 0
3 years ago
Marcus finds that (3x^2-2y^2+5x)+(4x^2+12y^2-7x)=7x^2-10y-2x. What error did Marcus make?
boyakko [2]

Answer:

7x^2+10y^2-2x is the correct answer, Marcus put -10y INSTEAD of +10y^2

Step-by-step explanation:

(3x^2-2y^2+5x)+(4x^2+12y^2-7x)

Combine like terms- I'll add x^2 first, then y^2, and then finally x, and it will be in that order.

7x^2+10y^2-2x

Make sure to check your signs are correct, and you wrote down the proper exponents.




4 0
2 years ago
Read 2 more answers
What is an equation of the line that passes through the point (-6,-3) and is parallel to the line 5x-3y=9?
irina [24]

Answer:y=5x/3 +7

Step-by-step explanation:

First, we find the slope of the line parallel. That is clearly, by rearranging, -3y= -5x + 9, and then dividing by -3, the slope is 5/3 .

Now, we know our equation is in the form of y = 5x/3 + b. Plugging in (-6,-3), we have -3 = -10 + b, so b = 7. Therefore, our equation is y= 5x/3 +7.

6 0
3 years ago
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