What two numbers multiply together equal -40 add together to equal positive 6

Answers

Answer 1

Answer: -4 and 10 add to 6 and have a product of -40.

Hope this helps :)

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PLS HELP WITH 1b!!!!!

Answers

Answer:

Yes, they do because both of the morning graphs had a better range in grades than the afternoon students.

Step-by-step explanation:

Answer:

I can see the pdf

Step-by-step explanation:

A plane is flying within sight of the Gateway Arch in St. Louis, Missouri, at an elevation of 30,000 ft. The pilot would like to estimate her distance from the Gateway Arch. She finds that the angle of depression to a point on the ground below the arch is 27°. (Round your answers to the nearest foot.)(a) What is the distance between the plane and the arch?
(b) What is the distance between a point on the ground directly below the plane and the arch?

Answers

Answer:

X = 33,669.78 ft

Y = 15285.76 ft

Step-by-step explanation:

Given data:

let x be the distance btwn arch and plane

and y be the distance btwn ground point and arch y

we know that

$cos\theta = (adjacent)/(hypotaneous)$

$cos(27) = (30,000)/(x)$

xcos27 = 30000

$x = (30000)/(cos 27)$

x = 33,669.78 ft

b) we knwo that

$tan \theta = (opposite)/(adjacent)$

$tan 27 = (y)/(30000)$

y = tan(27) (30000)

y = 15285.76 ft

The following function represents the production cost f(x), in dollars, for x number of units produced by company 1:f(x) = 0.25x2 − 8x + 600

The following table represents the production cost g(x), in dollars, for x number of units produced by company 2:
x g(x)
6 862.2
8 856.8
10 855
12 856.8
14 862.2
Based on the given information, the minimum production cost for company :blank:is greater.
[Put 1 or 2 in the blank space]

Answers

company 1: f(x) = 0.25x² - 8x + 600
f(6) = 0.25(6²) - 8(6) + 600 = 9 - 48 + 600 = 561
f(8) = 0.25(8²) - 8(8) + 600 = 16 - 64 + 600 = 552
f(10) = 0.25(10²) - 8(10) + 600 =  25 - 80 + 600 = 545
f(12) = 0.25(12²) - 8(12) + 600 = 36 - 96 + 600 = 540
f(14) = 0.25(14²) - 8(14) + 600 = 49 - 112 + 600 = 537

company 2:
  x   g(x)
6 862.2
  8 856.8
10 855
12 856.8
14 862.2

Based on the given information, the minimum production cost of company 2 is greater than the minimum production cost of company 1.

The minimum production cost of company 2 is greater than the minimum production cost of company 1.

How to find Production Cost?

Using the given input values, we have;

For Company 1, the respective productioncosts are;

f(x) = 0.25x² - 8x + 600

f(6) = 0.25(6²) - 8(6) + 600 = 561

f(8) = 0.25(8²) - 8(8) + 600 = 552

f(10) = 0.25(10²) - 8(10) + 600 = 545

f(12) = 0.25(12²) - 8(12) + 600 = 540

f(14) = 0.25(14²) - 8(14) + 600 = 537

For company 2, we are given the various production costs as;

x g(x)

6 862.2

8 856.8

10 855

12 856.8

14 862.2

From the above production cost values, we can deduce that the minimum productioncost of company 2 is greater than the minimum production cost of company 1.

Read more about Production Cost at; brainly.com/question/25109150

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Hello, could you please help me with some ideas? This is the question:List at least five idioms that you have come across in your own life, and indicate both the idiomatic and literal meanings of each of the expressions.

Answers

Answer:

Your on thin ice.

The pen is mightier than the sword.

Its raining cats and dogs.

If your going through hell keep on going face that fire, walk right though it. don't slow do.

Step-by-step explanation:

Answer:

1. Time is money

Meaning: Work faster or more efficiently

2. Don’t judge a book by its cover

Meaning: Not judging something by its initial appearance

3.Getting a second wind

Meaning: Having energy again after being tired or worn out

4.Don’t judge a book by its cover

Meaning: Not judging something by its initial appearance

5.To be on cloud nine

Meaning: To be extremely happy

These are the ones I use.

I need help on number 5

Answers

A fraction is undefined if its denominator is zero, because then it's saying
"Division by zero !" which is a definite no-no.

Can the denominator of the fraction in #5 ever be zero ?

The denominator is a quadratic polynomial. Do you know
how to solve (a quadratic polynomial) = 0 ?

This problem is even easier than that, because it gives you some choices.
So you don't even have to solve the quadratic equation. All you have to do
is check out the choices.
Do you see choice of 'x' values that make the denominator zero ?

Big sloppy hint: Look at choice-E very very carefully.

Is that enough help ?

Sally has twice as many dimes as nickels. The total value is $3.50 how many nickels and dimes does she have?

Answers

d=2n
.05n+.1d=3.5
I multiplied the nickels and dimes by these values because that is their actual monetary value
.05n=3.5-.1d
multiply everything by 20
n=70-2d
d/2=70-2d
.5d+2d=70
2.5d=70
d=28
n=14
so there are 28 dimes and 14 nickels
checking this answer
28 dimes = $2.8
14 nickels = .70
2.8+.7=3.5

2n=d
nickel is 0,05 dollars dime is 0.1 dollars
0.05(n)+0.1(2n)=3.5
0.25n=3.5
n=14
d=2(14)=28
hope u can understand

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