What multiplies to get -210 and adds up to 11

Answers

Answer 1

Answer: 210÷10=21. ....10 and 21
make the 10 neg n 21 pos

-10x21=-10
-10+21=11

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What is 40+40×0+1=?
and can the answer be squared

Answers

order of opertations
PEMDAS
parenthasees
exponnents
multipication or division
additon or subtraction

first multiply since no exponents or partnehasees

40 times 0=0

now we have
40+0+1
now we add
40+0+1=41

any number can be squared

You and two friends got jobs at stores in the mall. You earn $117.60 for 14 hours of work. Ty earns $148.50 in 18 hours. Kim earns $137.60 in 16 hours. Who has the highest pay rate in dollars per hour?

Answers

To answer this we will find out how much each person gets in an hour. To do this we will find the unit rate for each person and then check our work for each person. Then we will compare. Lets do it:-

You:-

117.60 ÷ 14 = 8.40
you earn $8.40 per hour.

CHECK OUR WORK:-

8.40 × 14 = 117.60
We were RIGHT!!

Ty:-

148.50 ÷ 18 = 8.25
Ty earns $8.25 per hour.

CHECK OUR WORK:-

8.25 × 18 = 148.50
We were RIGHT!!!

Kim:-

137.60 ÷ 16 = 8.60
Kim earns $8.60 per hour.

CHECK OUR WORK:-

8.60 × 16 = 137.60
We were RIGHT!!!

Money each person earns per hour:-

You:- $8.40
Ty:- $8.25
Kim:- $8.60

So, Kim has the highest pay rate in dollars per hour ($8.60).

Hope I helped ya!!

Factor the equation.

X2-15x+50=0

Answers

Answer:

(x - 10)(x - 5)

Step-by-step explanation:

Well to factor X^2-15x+50

we need to find 2 numbers that multiply to get 50 and add to get -15.

-5 * -10 = 50

-5 + -10

x*x = x^2

Factored (x - 10)(x - 5)

Hope this helps :)

Answer:

(x - 10)(x - 5)

Step-by-step explanation:

Step 1- Find 2 numbers that multiply to be 50.

10 × 5

-10 × -5

25 × 2

-25 × -2

All these multiply to get 50.

But the numbers must also add up to be -15.

Step 2- Find the 2 numbers that also add up to be -15.

10 + 5 = 15

-10 + -5 = -15

25 + 2 = 27

-25 + -2 = -27

The correct equation would be - 10 + -5

The 2 number you would use when you factor would be -10 and -5

Step 3- Write the equation

You can write the equation as (x - 10)(x - 5)

Or you can also write it as (x - 5)(x - 10)

Mrs.Jacobsen purchased a 5-pound package of ground beef for $12.40. She decided to use 8 ounces each day for dinner recipes. What was the cost of ground beef per meal?

Answers

First, convert the 5lb figure to ounces. There are 16oz in 1lb, so in 5lb there are 80oz (16 x 5). This means you can get 80oz for $12.40. 8oz is ten times smaller than 80z, so divide the cost by ten also. 8oz = $1.24.

Final answer:

The cost of ground beef per meal is $1.24.

Explanation:

To find the cost of ground beef per meal, we first need to convert the total weight of the package from pounds to ounces. Since there are 16 ounces in a pound, a 5-pound package of ground beef is equal to 80 ounces. Next, we divide the cost of the package ($12.40) by the total number of ounces (80) to find the cost per ounce.

This calculation gives us $0.155 per ounce. Finally, since Mrs. Jacobsen is using 8 ounces each day for dinner recipes, we multiply the cost per ounce ($0.155) by the number of ounces used per meal (8) to find the cost of ground beef per meal. The cost of ground beef per meal is $1.24.

Learn more about cost of ground beef per meal here:

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A label is placed around a soup can during manufacturing. If the label is represented by the rectangle in the figure, how many square inches is the label? Answer in terms of π.image of a net drawing of a cylinder is shown as two circles each with a radius labeled 4 inches and a rectangle with a height labeled 7.8 inches

94.4π square inches
32π square inches
30.1π square inches
62.4π square inches

Answers

The label on the soup can has area of 62.4π square inches. The Option D is correct.

What is the area of the label on the soup can?

The label is represented by the rectangle in the figure.

The height of rectangle is given as 7.8 inches. The length is equal to the circumference of the circular base of the cylinder.

The circumference of a circle is: 2πr

In this case, the radius of each circle is 4 inches. So, the circumference of each circle is:

= 2π(4)

= 8π

As length of rectangle represents circumference, its length is equal to 8π inches. The height of rectangle is given as 7.8 inches.

We will calculate the area of the rectangle:

Area = Length × Height

Area = (8π) × 7.8

Area = 62.4π.

Answers

The easiest way to disprove any conjecture is to find just one counterexample that invalidates the argument.

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