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Dafna11 [192]
3 years ago
7

Determine the answer to (-3)+(-5) and explain the steps using a number line

Mathematics
1 answer:
Tamiku [17]3 years ago
6 0
-8
On the number line you either start at -3 or -5 and you got your answer
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Hulk left home and walked 8 blocks west. Then he turned and walked 6 blocks north. If each block is 500 ft. long, how far is Hul
son4ous [18]
The answer is 5000 ft 

His displacement is actually the hypotenuse (c) of the triangle with sides 6 blocks and 8 blocks.
According to the Pythagorean theoreme:
c² = a² + b²
c² = 6² + 8²
c² = 36 + 64
c² = 100
c = √100
c = 10 blocks

Since 1 block is 500ft long, then 10 blocks are 5000 ft long:
1 : 500ft = 10 : x
x = 10 * 500ft / 1 = 5000 ft
3 0
3 years ago
8X +6Y+4<br> Y=-3X+9<br> using substitution what numbers are the variables X and Y
Svetach [21]

Answer:

(5,6)

Step-by-step explanation:

8X +6Y=4

Y=-3X+9

Substitute the second equation into the first.  Every place you see y put -3x+9)

8x +6(-3x+9)=4

Distribute

8x-18x +54 = 4

Combine like terms

-10x +54 = 5

Subtract 54 from each side

-10x +54-54=4-54

-10x = -50

Divide by -10

-10x/-10 = -50/-10

x= 5

Now we need to find y

y = -3x+9

y = -3(5) +9

y = -15+9

y= 6

(5,6)

6 0
3 years ago
Given j || k and m∠8=150° What is m∠3? <br><br> Enter your answer in the box.<br><br> m∠3= ___°
lions [1.4K]

Answer:

30°

Step-by-step explanation:

•angle 8 would be the same as angle 6

•angle 6 is next to angle 3

•if you were to add angle 6 and 3 it should equal 180°

180-150=30°

i rlly hope this is correct and helps <3

4 0
3 years ago
Is a number decreased by three squared nonlinear or linear
Dennis_Churaev [7]

Answer:

A number decreased by three squad is a nonlinear.

Step-by-step explanation:

6 0
3 years ago
HELLPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Setler79 [48]

Answer:

65 square units

Step-by-step explanation:

The area of a triangle is: height times base divided by two.

So the area of one of the triangles is 10 square units.

multiply this times 4 to get the total area of the triangles

then add the area of the square which is 5 times 5

25 plus 40 = 65 square units

PLZ MARK BRAINLIEST

3 0
3 years ago
Read 2 more answers
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