HELP THIS IS DUE TODAY HW LESSON 1.3.3 1-99

Answer:

2x+7

Step-by-step explanation:

3x +(-x) = 3x - x, so it's 2x

12 + (-5) is the same situation, just being 12 - 5, so it's 7.

putting them together leaves you with 2x+7

Any number that can be written as a fraction with integers is called a rational number.

example are:1/2,-1,0,3....

hope it help.

Answer:

it is irrational,because the product of an irrational number and a non zero rational number is irrational

Step-by-step explanation:

3x jdkdkdlieoeososkdjd

Answer:

2.56 gallons per minute!

Step-by-step explanation:

44.8 gallons - 32 gallons = 12.8 gallons

12.8 gallons in 5 minutes - so we need to find the unit rate (per one minute)

12.8/5 = 2.56

2.56 gallons per minute!

Answer:

10

Step-by-step explanation:

Since s is the side length substitute s for 5:

0.4(5)^2

then do 5^2 which will give you:

5 x 5 = 25

then multiply 0.4 and 25 which is:

0.4 x 25 = 10

You could also do this:

0.4 x 5 = 2

2^2 = 2 x 2 = 4

But The correct answer would be 10 because you would do the exponents first because it is in pemdas

P- Parentheses, E- Exponents, M- Multiplication, D- Division, A- Addition, and S- Subtraction

if the first answer is correct please give me Brainliest.

Answer:

a. y = x - 2

Step-by-step explanation:

y = a.x + b

from the graph: x = 0, y = -2 --> b = -2

                          x = 2, y = 0  --> 0 = a.2 -2 --> a = 1

Answer: Part A: a square pyramid Part B: 84 square feet

Step-by-step explanation:

Part A: The shape will have a base that is a square with triangles on each of its edges that connect at a point at the top.

Part B: The amount of nylon needed is the surface area of the net. There is a square and two triangles. The square has a side length of 6 so its area will be 6*6=36 square feet. Each triangle has a base of 6 and a height of 4 so each of their areas will be [tex]\frac{6*4}{2}=12[/tex] square feet. Adding up the area of the 4 triangles and the square gives us 4*12+36=84 square feet.

Answer:

-40

-6

51

Step-by-step explanation:

-33+-7 you are adding two negatives

9+(-15) you are adding a negative to a positive which gets you closer to zero

5-(-46) you are subtracting a negative which is adding

Answer:

it's say download FPD SORRY I CAN'T SLOVE IT

oh yeah thats easy it's 21 not much of a explanation needed

Answer:

1500625

Work:

5^4 = 625

7^4 = 2401

Multiply them and it equals 1500625

Answer:

3/2

Step-by-step explanation:

you basically just simplify the exponents first, and then simplify from there.

Answer:

yes

Step-by-step explanation:

Answer:

It's true for values of m = ±9

Explanation:

for m = -9 :

[tex] {( {}^{ - } 9)}^{2} = 81[/tex]

For m = +9 :

[tex]( {}^{ + } 9) {}^{2} = 81[/tex]

hence m is -9 and +9

Answer:

8m/s

Explanation:

Given,

Distance covered (s) = 2.4 = 2.4 * 1000 = 2400m

Time taken (t) = 5 = 5 * 60 = 300

Now,

v = s/t

or, v * t = s

or, v * 2400 = 300

or, v = 2400/300

or, v = 8m/s

Answer:

6[tex]s^{2}[/tex] + 43s + 55

Step-by-step explanation

(3s+5)(2s+11)

Distribute

3s x 2s = 6[tex]s^{2}[/tex]

3s x 11 = 33s

5 x 2s = 10s

5 x 11 = 55

Add like terms

6[tex]s^{2}[/tex] + 43s + 55

Answer:

Yes

Step-by-step explanation:

The area of a square is equal to the length squared.

So, the length of one side of the original floor is √400 which equals 20.

If you increase the length by 1, the area of the dance floor is 21 squared.

21 * 21 is certainly a rational number.

Answer:

Step-by-step explanation:

I think so, yes.

The area of a square is A = s*s where s is the length of the side

s^2 = 400

sqrt(s^2) = sqrt(400)

s = 20

If you increase each dimension by one foot you get 21 * 21 for the area of the new ballroom.

The result is rational. That's because the square root was rational when you found 20.

Area = 21 * 21 = 441 which is rational.

Answer:

1

Step-by-step explanation:

you should remove 8 out of 10 then 2 will remain

then add negative 5 to both sides then we will left with -3x = -3

divide -3 on both sides we find x = 1

Answer:

x=1

Step-by-step explanation:

-3x + 5= -8 + 10​

Combine like terms

-3x+5 = 2

Subtract 5 from each side

-3x+5-5 = 2-5

-3x = -3

Divide by -3

-3x/-3 = -3/-3

x =1

Answer:

AB = 26

Step-by-step explanation:

BC = 36

AC = 62

AB = ?

to find ab we need to

AB + BC = AC (given)

AB + 36 = 62

AB = 62 - 36

AB = 26

I____V____L

IL=IV+LV

48 = x² + 2x

x²+2x – 48 =0

(x‐6)(x+8)=0

x-6=0—>x=6

x+8=0—>x= ‐ 8

I hope I helped you^_^

Answer:

21 + 73 = 94

Step-by-step explanation:

Answer:

add 21 and 73 = 94

nightyfour

Answer:

aquatic environment is best fit

Answer:

Based on the data, there would likely be a very low amount of organisms performing aerobic cellular respiration at 1,000 meters as compared to the surface. This is due to the sudden drop in oxygen concentrations from 6 to 1.8 between 800-1,000 meters, while carbon dioxide increased from 44 ml/l to 49 ml/l.

The most beneficial adaptation for organisms based on the data would be anaerobic cellular respiration (without oxygen).

Step-by-step explanation:

Aerobic cellular respiration is a chemical process where oxygen is required to create energy from carbohydrates.

Answer:

(0, - 2 ) and (3, 4 )

Step-by-step explanation:

Given the equations

3y = 2(x² - 3) , that is

3y = 2x² - 6 → (1)

2x - y = 2 (add y to both sides )

2x = 2 + y ( subtract 2 from both sides )

2x - 2 = y → (2)

Substitute y = 2x - 2 into (1)

3(2x - 2) = 2x² - 6

6x - 6 = 2x² - 6 ( subtract 6x - 6 from bpth sides )

0 = 2x² - 6x ( factor out 2x from each term )

0 = 2x(x - 3)

Equate each factor to zero and solve for x

2x = 0 ⇒ x = 0

x - 3 = 0 ⇒ x = 3

Substitute these values into (2) for corresponding values of y

x = 0 : y = 2(0) - 2 = 0 - 2 = - 2 ⇒ (0, - 2 )

x = 3 : y = 2(3) - 2 = 6 - 2 = 4 ⇒ (3, 4 )

Answer:

x = [tex]\frac{2}{3}[/tex]

Step-by-step explanation:

Equate f(x) and g(x) , that is

- 3x + 4 = 2 ( subtract 4 from both sides )

- 3x = - 2 ( divide both sides by - 3 )

x = [tex]\frac{-2}{-3}[/tex] = [tex]\frac{2}{3}[/tex]

Answer:

Step-by-step explanation: 15 minus 6.2 is 8.8 thats how much he needs to fill upp if it is 3.50 a gallon you would multiply to get 30.8 thats how much money he spent on gas

Answer:

4

Step-by-step explanation:

let y = the number

y x 5 - 24 = -44

y x 5 = -44 + 24

y x 5 = 20

y = 20/5

y = 4

Answer:

y = -1/2x - 7

Step-by-step explanation:

y2 - y1 / x2 - x1

-6 - (-5) / -2 - (-4)

-1 / 2

= -1/2

y = -1/2x + b

-5 = -1/2(-4) + b

-5 = 2 + b

-7 = b

Answer:

X=-5/3

Step-by-step explanation: