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3 years ago

what is mathematical format in Algebra is it just simplifying ,my teacher said he mainly cares about mathematical format

Mathematics

1 answer:

jeyben [28]3 years ago

4 0

You must use the Order of Operations
Parentheses
Exponents
Multiply
Divide
Add
Subtract

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Evaluate x – 2y if x = –3 and y = –6. 1. 15 2. 9 3. -9 4. -15

max2010maxim [7]

Answer:

-15

Step-by-step explanation:

-3 - 2(-6)

-3 -12

-15

6 0

3 years ago

I need help with this question

Dimas [21]

Answer:

Step-by-step explanation:

10+18+25+27+35+50=165

n=6

mean =165/6=27.5

x x- mean (x-mean)²

10 -17.5 306.25

18 -9.5 90.25

25 -2.5 6.25

27 -0.5 0.25

35 7.5 56.25

50 22.5 506.25

_____ ________

sum 0 965.5

_____ _________

standard deviation

$=\sqrt{\frac{sum}{n-1} } \\=\sqrt{\frac{965.5}{5} } \\=\sqrt{193.1} \\\approx 13.896$

4 0

2 years ago

What is the answer for 17x> -7

Alex17521 [72]

Answer:

x > -7/17

Step-by-step explanation:

You first divide -7 by 17 to isolate the variable, (x).

And thats it!

8 0

3 years ago

Which multiplication equation represents the question: how many 3/8s are in 5/4?

Harman [31]

Answer:

The equation which represents the question is 3 1/3

8 0

2 years ago

HELP DUE IN 15 MINS! x=??

ad-work [718]

Answer:

Step-by-step explanation:

Remark

The angle formed by the intersection of a tangent to a circle and an intersecting secant is 1/2 (Arc PS - arc PR)

PS = 208

PR = 74

Solution

x = 1/2 (208 - 74)

x = 1/2 (134)

x = 67

4 0

2 years ago