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3 years ago

Homework I have to turn in on Monday please help

Mathematics

2 answers:

Kamila [148]3 years ago

6 0

Answer:

5 is -13 and 4 is -216

Step-by-step explanation:

im not good a eggsplaing im only 11,,,,..... use math-way to see if im right......i think you plugin the number

nasty-shy [4]3 years ago

5 0

Answer:

If you're trynna simplify these are the answers:

4.) -116

5.) -13

Step-by-step explanation:

4.) −4((5)(4)+9)

=(−4)((5)(4)+9)

=(−4)((5)(4))+(−4)(9)

=−80−36

=−116

5.) 9+84−(6)(4)

=9+2−(6)(4)

=11−(6)(4)

=11-24

= -13

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Three varieties of coffee Coffee A, Coffee B, and Coffee C are combined and roasted, yielding a 55-lb batch of coffee beans.

Klio2033 [76]

Coffee A is 12.241 pounds, Coffee B is 18.269 pounds and Coffee C is 24.482 pounds.

<h3>What is Algebra?</h3>

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

Let a pounds of coffee A needed

Let b pounds of coffee B needed

Let c pounds of coffee C needed

c= 2a.................(1)

a+ b+c= 55..........(2)

and, 14.99 a+ 13.99 b + 10.39 c /55 = 12.61

1499a + 1399 b + 1039 c = 69,355...............(3)

Subtract (2) from (3), we get

1499 a+ 1399 b + 1039 c= 69355

- 1039 a - 1039 b - 1039 c = 57145

_____________________________

460 a + 360 b = 12210

46a+ 36 b = 1221

b= 1221/ 36 - 46 a/ 36

b= 407 / 12 - 23 a / 18

Put b in Equation (2)

a + 407 / 12 - 23 a / 18 + 2a= 55

-5a / 18 + 2a + 407/ 12 = 55

31a/ 18 = 253/ 12

a= 4554 / 372

a = 2277/ 186

a= 759/ 62

a= 12.241

and, c=2a = 24.482

b= 33.91 - 15.641

b= 18.269

Learn more about Algebra here:

brainly.com/question/24875240

#SPJ1

7 0

1 year ago

Enter your answers in the boxes to correctly complete this statement.

harina [27]

Answer:

349800

Step-by-step explanation:

First Part:

The question tells you to multiply by 10 to the power of 4.

This implies that you can move the decimal point 4 numbers to the right

When you move the decimal two numbers to the right you get 3498

Then you got to move it two more numbers to the right

3498 can also be written as 3498.0000000000 (infinite amount of zeros)

So moving the decimal two more places you get 349800

Second Part:

10^4 = 10 * 10 * 10 * 10

= 10000

Count the zeros you get 4.

3 0

3 years ago

A cube with sides 5 inches, and a pyramid with base edges 5 inches. What is the height, so that the volume of the cube and the p

Ostrovityanka [42]

15 inches is the height of the pyramid

Step-by-step explanation:

The volume of a cube is a³

Given a = 5 inches

→ Volume = a³

= 5³

= 5×5×5

= 125 in²

The volume of a pyramid is $\frac{1}{3} {a}^{2}h$

Given a = 5 inches , h = height of pyramid

$= > \frac{1}{3} {a}^{2} h$

$= > \frac{1}{3}(5)^{2}h$

$= > \frac{1}{3} \times 25 \times h$

$= > \frac{25}{3}h$

then,

$125 = \frac{25h}{3}$

$= > 25h = 125 \times 3$

$= > 25h = 375$

$= > h = \frac{375}{25}$

$= > h = 15$

Hence, the height of pyramid is 15 inches

7 0

2 years ago

Simplify x squared over x

umka21 [38]

see the attached picture for full details

6 0

3 years ago

Find the slope of the lines graphed below. Giving brainliest to whoever answers all correct.

Rashid [163]

Answer:

1.slope is 2

2.slope is -3/5

3.slope is 1

4.vertical line slope 0 undefined

5.x=-5

6.horizontal line slope 0 undefined

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers