3 years ago

Simplify -4+ -3 + 6

1 answer:

7 0

Negatives cancel out positives so the +after the 4 changes to a minus and removes the - in the 3 so the equation changes to

-4 - 3 + 6 to make it easier, use the commutative property, 6 - 4 - 3 which equals -1

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Match each graph to the equation of its line.

miskamm [114]

Answer:

the first graph is y=4x-4

the second is y=x+2

the third is y=-2x-4

the fourth is y=-x+2

Step-by-step explanation:

please rate and mark brainliest if correct :>

4 0

2 years ago

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How to find S12 of the following series

11111nata11111 [884]

I think it's a3D unless u tell me what u mean by finding S12

4 0

2 years ago

Which numbers are irrational? Select all that apply. A. 100 B. 36 C. 27 D. 47

vovikov84 [41]

Answer:

none

Step-by-step explanation:

All are rational numbers because each number can be expressed as the quotient of 2 integers:

100÷1

36÷1

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2 years ago

9. Find the length of a base of a triangle with an Area of 100 and a height of 25.

liraira [26]

Answer:

8 (units)

Step-by-step explanation:

The formula to find the area of a triangle is A = 1/2(b*h). Since we know the area already, we can substitute that value in to calculate the answer backwards.

Plug in the numbers known:

A = 100

h = 25

Equation: 100 = 1/2(b*25)

Now solve:

100 = 1/2(b*25)

200 = b * 25

8 = b

So, the answer to your question is 8 (units).

Hope this helps!

6 0

2 years ago

What is the equation of the line which has a gradient of 2 and passes through the point (1,4)

timofeeve [1]

Answer:

Y= 2x+2

Step-by-step explanation:

line equation is y=mx +c

m is the gradient = 2

We are given an x and y value

X= 1
y= 4

substitute that into the equation:

4= 2(1) +c

2=c

Put all the equation together:

Y= 2x+2

5 0

2 years ago