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3 years ago

2 plus 2 is for times 20 is

Mathematics

2 answers:

Damm [24]3 years ago

4 0

2+2=4 x 20=80 I hope this is what you were looking for

nasty-shy [4]3 years ago

4 0

2 plus 2 equals 4 and then times it by 20 which would be 80??

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X+y=7;x+2y=11<br>Solve by substitution <br>steps must.

Tpy6a [65]

Answer:

Step-by-step explanation:

x + y = 7 ------------(I)

y = 7 - x ------------(II)

x + 2y = 11 --------------(III)

Substitute y = 7 - x in equation (III)

x + 2 * (7 -x) = 11

x + 2*7 - 2*x = 11

x + 14 - 2x = 11

x - 2x + 14 = 11

- x + 14 = 11

Subtract 14 from both side

-x = 11 - 14

-x = -3

Multiply both sides by (-1)

x = 3

Substitute x=3 in equation (II)

y = 7 - 3

y = 4

8 0

3 years ago

Read 2 more answers

Need help on my math only have today till I turn int tomorrow

Aneli [31]

Hope this helps explain what was needed to be solved! :)

6 0

3 years ago

What is the output of the following Python program? list1 = [2, 3, 4] list2 = [1, 5] list3 = [0] list3 = list2 + list1 print(lis

Sphinxa [80]

Answer: the answer is b

Step-by-step explanation:

from the initial list 3 is contain 0 that is [0]

but now list has been updated to list 2+ list 1, so the elements contains in list 3 will be list 2 plus list 1

[1,5,2,3,4]

8 0

3 years ago

5 units down and 4 units right

JulsSmile [24]

Answer: (4, -5)

Step-by-step explanation:

o(4, -5) is the answer because if you are going units down from the orgin of (0,0) you would end with a negative 5 and going right 4 units from orgin, you'll end up with a 4.

8 0

3 years ago

Read 2 more answers

Will mark brainiest for simplest and most coherent answer. What does it mean if an x (input) or y (output) value doesn't make se

Maksim231197 [3]

Answer:

I tried to answer but I still would like to know what doesn't make sense.

Considering the identity:

$\sec^2\theta-\tan^2\theta=1 \implies |\sec\theta|\geq1$

$\forall\;\theta\in\mathbb{R}-\{(2n+1)\frac{\pi}{2}, n\in\mathbb{Z} \}$

The identity is true whenever both sides are defined. It is not supposed to hold the values when we have division by zero, because it is undefined.

If the value doesn't make sense, it is probably not a function, or it is undefined by the given value of $x$ .

Let's go back to the definition of function again:

A function relates a set of inputs and a set of allowable outputs where each input is related to only one output. It basically defines the relation of ordered pairs.

Hope it helped you a bit.

8 0

3 years ago