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velikii [3]
3 years ago
12

Evaluate the following expression: 24 ÷ 3 + 7 ⋅ 2 – 15 ÷ 5 + 6 ⋅ 2 A. 21 B. –31 C. 30 D. 31

Mathematics
2 answers:
Korolek [52]3 years ago
5 0

Hello! :)

Answer:

\boxed{=31}

<u><em>*The answer should be have a POSITIVE sign!</em></u>

Step-by-step explanation:

PEMDAS

Lesson: Order of operations

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

From left/right.

First, you multiply/divide from left to right.

24/3=8

8+7*2-15/5+6*2

7*2=14

8+14-15/5+6*2

15/5=3

8+14-3+6*2

6*2=12

8+14-3+12

Then, you add/subtract from left to right.

14+8=22

22-3=19

19+12=31

<u><em>Final answer is 31.</em></u>

Hope this helps!

Have a nice day! :)

:D

-Charlie

Thanks!

olganol [36]3 years ago
3 0
24/3 = 824/3 = 8

8 + 7 * 2-15 / 5 + 6 * 28 + 7 ∗ 2−15 / 5 + 6 ∗ 2

7 * 2 = 147 ∗ 2 = 14

8 + 14-15 / 5 + 6 * 28 + 14−15 / 5 + 6 ∗ 2

15/5 = 315/5 = 3

8 + 14-3 + 6 * 28 + 14−3 + 6 ∗ 2

6 * 2 = 126 ∗ 2 = 12

8 + 14-3 + 128 + 14−3 + 12

14 + 8 = 2214 + 8 = 22

22-3 = 1922−3 = 19

19 + 12 = 3119 + 12 = 31

SORRY IF FALSE
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mixas84 [53]

Answer:

a) 200 mm^2

b) 500 mm^2

c) 3.75e + 8

d) 6390 cm^2

e) 650 cm^2

f) 20 m/s

Step-by-step explanation:

For a) and b): 1 cm = 10 mm, multiply 20 (and 50) by 10

For c): the formula is to multiply 1e + 8

For d): 1 Liter = 1000 Cubic Centimeters  (hopefully that's what you're referring to)

For e): 10 mm = 1 cm, divide by 10

For f): divide the value by 3.6

6 0
3 years ago
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laiz [17]

Answer:

I do not

Step-by-step explanation:

5 0
3 years ago
The Potter Valley basketball team did not record how many baskets each player made during the last game. Jenny remembers that sh
lesya692 [45]

Answer:  The approximate values that every player make are,

Tammy = grace = 5.43 baskets

Jenny = 16.30 Baskets

Alex = 11.43 Baskets

Joan = 1.43

Step-by-step explanation:

Let Grace made x baskets.

Then According to the question,

Jenny made baskets = 3x

Alexis made basket = x + 6

Joan made basket = x - 4

Tammy made baskets = x

Since,  Altogether the five players made 40 baskets.

⇒ x+ 3x + x + 6 + x - 4 + x = 40

⇒ 7x + 2 = 40

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⇒ x = 38 / 7 = 5.42857142857 ≈ 5.43

Thus, Grace made baskets= Tammy made baskets = x = 5.43

Jenny made baskets = 3 × x = 16.2857142857 ≈ 16.30

Alexis made basket = x + 6 = 11.4285714286  ≈ 11.43

Joan made basket = x - 4 = 1.42857142857

≈ 1.43




5 0
3 years ago
Can someone answer this its just boxplots :)))
777dan777 [17]
Nuclear engineer .......
8 0
3 years ago
What the answer plz help
ratelena [41]
20 = 40e^-0.1446t
e^-0.1446t = 0.5

t  = ln 0.5 / -0.1446
t =  4.8 days

4 0
3 years ago
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