How can we rewrite 4 - (-9) as an addition problem?

Mathematics

2 answers:

mars1129 [50]2 years ago

8 0

Answer:

4 + 9

Explanation:

4 - (-9)

Subtracting a negative is the same thing as adding

4 - (-9) turns into 4 + 9

= 13

Tomtit [17]2 years ago

3 0

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PLEASE HELP!! WILL GIVE BRANLIEST

stepladder [879]

The equation for this is ; y=1/2(x+4)^2-1

Explain

we use the vertex form
y=a(x-h)^2+k where the vertex is (h,k)

Select ( -4,-1)

Where h=-4
K=-1

y=a(x-h)^2+k

We get

y=a(x-(-4))^2+ -1

Y= a(x+4)^2+-1

Now replace to 0,7

7=a(0+4)^2-1

7=a(4)^2-1

7=16a-1

So now

7=16a-1
7+1=16a

8=16a
a=8/16
That should 1/2

So y=a(x+4)^2 -1
Should become

Y=1/2(x+4)^2 -1

Do you have any doubts now !

3 0

2 years ago

What is the slope of the line graphed below? A. 1 B. -1 C. 0 D. Undefined

Lena [83]

The slope of the line is 1

7 0

2 years ago

Read 2 more answers

Write a whole number and a fraction greater than one to name the part filled.

san4es73 [151]

Examples of this are:
2 and $\frac{6}{3}$

2 and $\frac{12}{6}$

4 and $\frac{8}{2}$

I'm guessing you have a work sheet going along with this which has actual images of containers. I've attached an example - if you can post the actual work sheet you're referring to I can edit this answer to correctly reflect your specific question.