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-BARSIC- [3]
3 years ago
5

Determine the first expression to evaluate 8+7-9+42÷6 ?

Mathematics
1 answer:
blagie [28]3 years ago
5 0

Answer:

The answer is 13!

Step-by-step explanation:

Have a great day!

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Line j passes through points 1,6 and 7,1 line k is parallel to line j. What is the slope of line k?
Mashutka [201]
Slope formula m = (y2-y1) / (x2 - x1)
m = (1 - 6) / 7 - 1)
m = -5 / 6

Slope or parallel lines are the same
Slope = -5/6
6 0
3 years ago
Home heating oil is sold by the gallon. Last winter the romano family used 370 gallons of oil at a price of $3.91 per gallon. If
shusha [124]
($3.91)(0.09) = $0.3519

$3.91 + 0.3519 = $4.2619 per gallon

if you're looking for the total expense next year:

($4.2619)(370 gallons) = $1,576.903
6 0
3 years ago
a rectangle has an area of x2+8x+15 square meters and a width of x+3 what expression represents the length of the rectangle
anzhelika [568]

Answer:

1x + 5

Step-by-step explanation:

Since the area of a rectangle of width w and length l is A = l*w,

length = Area / Width.

Here,                             x^2 + 8x + 15

length of rectangle  = ----------------------

                                            x + 3

Use synthetic division to perform the above.  The coefficients of the quadratic are a = 1, b = 8 and c = 15, and the divisor is -3 (from (x + 3).

-3      /  1        8        15

                    -3        -15

        -------------------------

            1         5        0

Since the remainer is zero (0), -3 is a root and 1x + 5 is a factor of the quadratic.  This factor, representing the length of the rectangle, is 1x + 5.

Next time, kindly share the answer choices.  Thank you.

6 0
3 years ago
One person can mow a field in 52 minutes and a second can mow the same field in 40 minutes. how long would it take the two of th
swat32

It would be:1/x =  1/40+1/52 = 13+10/520 = 23/520

x = 520/23 = 22.60 minutes

6 0
3 years ago
PLS HELP ME ON THIS!!
slamgirl [31]

Answer:

Step-by-step explanation:

DC = AD

DC = 8.5

By the Parallelogram opposite sides theorem

7 0
3 years ago
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