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ArbitrLikvidat [17]
3 years ago
13

8x(5+7). please answer will give 10 pts & brainiest

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
8 0

Answer:

96

Step-by-step explanation:

8x(5+7)

Parentheses first

8* (12)

Then multiply

96

Nostrana [21]3 years ago
5 0

Answer:

I'm glad you asked!

Step-by-step explanation:

x is a variable.

First we do 5 + 7.

That gets us to 12.

Then we have to multiply 8 by 12 since that is what we got earlier.

8 x 12 = 96x.

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Turn them into improper fractions
44/2 divided by 11/4
Divide = multiply reciprocal
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The answer is 8
8 0
2 years ago
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(1st pic) What is the equation of the line shown in this graph?
vredina [299]

Answer:

For figure 1: The equation of a line is y=1

For figure 2: The equation of a line is y=(-4)x+1

For figure 3:The equation of a line is y=\frac{-5}{2}x+5

Step-by-step explanation:

The equation of line slope-intercept form is given by y=mx+c

Where m is the slope of the line and c is the y-intercept.

For figure 1:

Here, Line is parallel to x-axis

Hence, Slope m=0

Also, Line passing to y axis at (0,1)

Y-intercept is c=1

Therefore,

The equation of line is

y=0x+1

y=1

For figure 2:

Figure show a line passing through point (1,-3) and (-1,5)

The slope of the line is given by m=\frac{Y2-Y1}{X2-X1}

Using given points to find out the slope of a line

m=\frac{Y2-Y1}{X2-X1}

m=\frac{5-(-3)}{(-1)-1}

m=\frac{8}{-2}

m=(-4)

Also, Line is intersecting y-axis at (0,1)

Hence, c=1

We can write the equation of line as

y=mx+c

y=(-4)x+1

Thus, The correct option is D). y=(-4)x+1

For figure 3:

From the figure, a line is passing through points (-2,0) and (0,5)

The slope of the line is given by m=\frac{Y2-Y1}{X2-X1}

Using given points to find out the slope of a line

m=\frac{Y2-Y1}{X2-X1}

m=\frac{5-0}{0-(-2)}

m=\frac{-5}{2}

Also, Line is intersecting y-axis at (0,5)

Hence, c=5

We can write the equation of line as

y=mx+c

y=\frac{-5}{2}x+5

4 0
3 years ago
The coordinates A(2, 1), B(7, 1), C(2, 4) form what type of polygon?
Elena L [17]
It makes and obtuse right triangle.
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Write down the equation for the following
Mice21 [21]
Grade 7 got total 88 books
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Answer:

y = 65x

Step-by-step explanation:

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