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3 years ago

Welppp fastttt!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Romashka [77]3 years ago

7 0

Answer: B

Step-by-step explanation:

Grade must be greater than or equal to 88

skelet666 [1.2K]3 years ago

5 0

Answer:

The answer for this is B

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What is the sum of √-2 and √-18?<br> O 4√2<br> O 4√21<br> O 5√2<br> O 5√21

Deffense [45]

Answer:

$4 \sqrt{2} \: i$

Step-by-step explanation:

$\sqrt{ - 2} + \sqrt{ - 18} \\ ( \sqrt{2} \times \sqrt{ - 1} ) + ( \sqrt{18} \times \sqrt{ - 1} ) \\ ( \sqrt{2} \times \sqrt{ - 1} ) + (3 \sqrt{2} \times \sqrt{ - 1} ) \\ \sqrt{2} i + 3 \sqrt{2} i \\ = 4 \sqrt{2} i$

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2 years ago

What do the roman numerals X-XIII mean?

makvit [3.9K]

I = 1
III = 3

X = 10
XIII = 13

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3 years ago

Find the area of the parallelogram below by using the area formulas for rectangles and triangles.

Ilya [14]

Answer: b

Step-by-step explanation:

You know the formula of a triangle is: (base*height)/2

So: 4*8=32

32/2=16cm^2

Since its a parallelogram, you could say that there are two of these triangles, so: 16*2=32cm^2

Now we're left with the part in the middle. The sides are now 8 by 8 because we took away 4 from 12, so: 8*8= 64cm^2

Now you just add all your values together, so: 32+64=96cm^2

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3 years ago

I NEED HELP

scoray [572]

C the variable T is the independent variable

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3 years ago

Read 2 more answers

A linear function has a slope of -7 /9 and a y-intercept of 3. How does this function compare to the linear function that is rep

ValentinkaMS [17]

Answer:

both functions have the same graph

Step-by-step explanation:

The first function is described in terms of its slope and y-intercept, so can be written in slope-intercept form as ...

y = mx + b . . . . m = slope (-7/9); b = y-intercept (3)

y = -7/9x +3

The second function is written in point-slope form:

y -k = m(x -h) . . . . m = slope (-7/9), point = (h, k) = (18, -11)

y +11 = -7/9(x -18)

If we rearrange the second equation to the form of the first, we get ...

y = -7/9x +14 -11 . . . . eliminate parentheses, subtract 11

y = -7/9x +3 . . . . . . . matches the equation of the first function

Both functions describe the same relation.

7 0

3 years ago