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3 years ago

5+(−4)+(−7)+2 jijujuijuijuijujijuijuijuijiji

Mathematics

2 answers:

Maurinko [17]3 years ago

8 0

Combine the terms. Note that: one positive and one negative sign results in a negative sign.

Simplify: 5 + (-4) = 5 - 4 = 1

1 + (-7) = 1 - 7 = -6

-6 + 2 = -4

-4 is your answer

valentina_108 [34]3 years ago

8 0

5+(-4)+(-7)+2

1+(-7)+2

-6+2

-4

that is the answer

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natulia [17]

Answer:

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3 years ago

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The value of which of these expressions is closest to e?

pishuonlain [190]

The correct answer for the exercise shown above, is the first option (Option A), which is:

A. (1+1/18)^18

The explanation is shown below:

1- You have that the number e is an irrational number, therefore, its value is aproximated:

e=2.7182

2- You have the following expressions:

(1+1/18)^18=2.6464
(1+1/17)^17=2.6424
(1+1/16)^16=2.6379
(1+1/15)^15=2.6328

Therefore the value of the expression that is closest to e is the Option A.

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3 years ago

Can someone help me with this question please

Shtirlitz [24]

Answer:

Step-by-step explanation:

all angles that are in a triangle add up to 180

x+80+39=180

x+119=180

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Hope that helps :)

7 0

3 years ago

Click and drag like terms onto each other to simplify fully. -1+4-67-5

vampirchik [111]

Answer:

Step-by-step explanation:

Here are your steps

Step 1

-1+4-67-5 Simplify by Adding

-64-5

Step 2

-64-5 Subtract

Your answer would be -69

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2 years ago

WILL MARK BRAINLIEST the last two pics are for question two

DanielleElmas [232]

Answer:

1. 702 square centimeters

2. m∠YWX = 63°

Step-by-step explanation:

The total surface area is area of all the sides.

There are 2 triangles (slanted side) with base 14 and height 11. Thus area would be $2(\frac{1}{2}*14*11)=154$
There are 2 triangles (another slanted side) with base 10 and height 12. Thus area would be $2(\frac{1}{2}*10*12)=120$
There are two rectangles with base 10 and height 6. Thus area would be $2(10*6)=120$
There are two rectangles with base 14 and height 6. Thus area would be $2(14*6)=168$
The bottom is a rectangle with area 10 * 14 = 140

Adding all these up 154 + 120 + 120 + 168 + 140 = 702 centimeters square.

Angle WYX is equal to 46° (vertical angles are equal).

Now looking at triangle XWY, we know all three angles will add up to 180°. Given x =71° and Y = 46°, we can figure out W (Angle YWX)

71 + 46 + Angle YWX = 180

Angle YWX = 180 - 71 - 46 = 63°

Second answer choice is correct.

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3 years ago