How many #5 cans of potato salad are required to serve 210 people if each can has 3 pounds 8 ounces of potato salad and each serving is 5 ounces

Answers

Answer 1
Answer: 210 times 5 then divided by 3.8
so rounding up, 277 cans

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Square root of -61 to the nearest tenth

Answers

Answer:

7.8 i

Step-by-step explanation:

Since -61 is negative, you simply do the square root of positive 61 and add an i (imaginary) so signify that it's negative.

Which equation represents the line that passesthrough the point (1,5) and has a slope of -2?
1) y = -2x + 7
2) y = -2x + 11
3) y = 2x-9
4) y = 2x + 3

Answers

Answer:

Step-by-step explanation:

y - 5 = -2(x - 1)

y - 5 = -2x + 2

y = -2x + 7

Option 1 is the answer

-17 + 25 + -6 - 18 can you please show work too, thank youu

Answers

Answer:

-16

Step-by-step explanation:

-17+25+-6-18

you just basically combined -17,-6 and -18

so -41+25

= -16

PLEASE ANSWER!!!!!!!! Which system of equations does this graph represent? Linear graph and parabola. They intersect at 2, negative 1 and negative 3, 4 (1 point) A. y = x2 − 5 y = −x + 1
B. y = x2 − 5 y = −x − 1
C. y = x2 + 5 y = −x + 1
D. y = x2 + 5 y = −x − 1

Answers

Answer:

Option (A)

Step-by-step explanation:

For equation of the line,

Let the equation is, y = mx + b

Slope 'm' of the line passing through two points (-3, 4) and (2, -1),

m = (y_2-y_1)/(x_2-x_1)

   = (4+1)/(-3-2)

   = -1

y-intercept of this line, b = 1

Now we substitute these values in the equation,

y = -x + 1

Let the equation of the parabola is,

y = a(x - h)² + k

Here, (h, k) is the vertex of the parabola,

Since vertex of the given parabola is (0, -5),

then the equation will be,

y = a(x - 0)²- 5

y = ax² - 5

Since a point (2, -1) lies on this parabola,

-1 = a(2)² - 5

5 - 1 = 4a

a = 1

Equation of the parabola will be,

y = x² - 5

Therefore, Option (A) will be the answer.

Percent * $3.32 = $0.32 + $0.184

Answers

The missing percentage of the given algebraic expression when calculated is; 15.18%

How to work with Percentages?

We want to find;

Percent * $3.32 = $0.32 + $0.184

First of all, let us add the terms on the right side of the equation to get;

Percent* $3.32 = $0.504

Next operation is to divide both sides by 3.32 using division property of equality to get;

Percent = 0.1518 = 15.18%

Read more about Percentages at; brainly.com/question/843074

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-3(-5)+7y=5(-5)+2y solve for y

Answers

Answer:

-2

Step-by-step explanation:

-15+7y=-25+2y

7y-2y=-25+15

5y= -10

5y/5= -10/5

y= -2

Answer:

y= -17/5 or -3.4

Step-by-step explanation:

-8+7y= -25+2y

5y= -17

y= -17/5 or -3.4