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grandymaker [24]
3 years ago
6

What is 4+2 x { 16/ (5+3)} 2

Mathematics
2 answers:
stiks02 [169]3 years ago
5 0

Answer:

12

Step-by-step explanation:

(I'm assuming the x is a multiplication sign)

Using the order of operations, start with what's inside of the parentheses and work from there:

start by adding 5+3--->

4+2×{16/(8)}2

divide 16 by 8--->

4+2×{2}2

multiply 2 by 2--->

4+4×2

multiply 4 by 2--->

4+8

add 4 and 8--->

12

Dahasolnce [82]3 years ago
4 0
The answer for you problem is 6
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Jane spent 3 hours exploring a mountain with a dirt bike. First, she rode 55 miles uphill. After she reached the peak she rode f
Neko [114]

Answer:

Her speed on the summit was 35 mph.

Step-by-step explanation:

Her speed on the summit was "x" mph while her speed while climbing was "x - 10" mph. The distance she rode uphill was 55 miles and on the summit it was 28 miles. The total time she explored the mountain was 3 hours. Therefore:

time uphill = distance uphill / speed uphill = 55 / (x - 10)

time summit = distance summit / speed summit = 28 / x

total time = time uphill + time summit

3 = [55 / (x - 10)] + 28 / x

3 = [55*x + 28*(x - 10)]/[x*(x - 10)]

3*x*(x - 10) = 55*x + 28*x - 280

3x² - 30*x = 83*x - 280

3x²  - 113*x + 280 = 0

x1 = {-(-113) + sqrt[(-113)² - 4*(3)*(280)]}/(2*3) = 35 mph

x2 = {-(-113) - sqrt[(-113)² - 4*(3)*(280)]}/(2*3) = 2.67 mph

Since her speed on the uphill couldn't be negative the speed on the summit can only be 35 mph.

6 0
3 years ago
Molly categorized her spending for this month into four categories: Rent, Food, Fun, and Other. The percents she spent in each c
Alisiya [41]

Answer:

750

Step-by-step explanation:

it is to easey

5 0
3 years ago
Which rule describes the transformation that was used to form parallelogram A'B'C'D'
Ainat [17]
The answer would be c because you went left 10 and when you go left its always negative.Then you went down 3 .When going down its also negative

3 0
3 years ago
Any help would be great
Alex_Xolod [135]

Answer:

-1

Step-by-step explanation:

1/3 - 2/5 = x/15

Make denominators equal.

5/15 - 6/15 = x/15

Cancel the denominators.

5 - 6 = x

-1 = x

6 0
3 years ago
40 is what percent of 68?show ur work
snow_tiger [21]
40 is 58.82% of 68.
I got this by taking 40 and dividing it by 68.
5 0
3 years ago
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