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Nitella [24]
2 years ago
11

Which expression is equivalent to 8+20 ? A. 4(4+20) B.4(2+5) C.2(2+10) D. 2(6+18) Find the missing fac or in the given expressio

n: 30+12= O(5 + 2)​

Mathematics
1 answer:
Firlakuza [10]2 years ago
6 0

Answer:

the expression that is equivalent to 8+20 is 4(2+5)

the missing factor in the expression 30+12=O(5+2) is 6

Step-by-step explanation:

Using PEMDAS, we have to multiply the number on the outside by the numbers within the parentheses. 4 x 2 = 8, 4 x 5 = 20. 8 + 20 equals 28.

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Directions: Complete each proof using the properties of equality. Not all rows be used.
kicyunya [14]

The answers for 13 and 14 are attached in the file.

7 0
3 years ago
What is 54 as a percentage of 216?<br> %
OlgaM077 [116]

Answer:

54 as a percentage of 216% is 116.64.

Step-by-step explanation:

100% of 54 is 54 so 54 x 2 would be 108. We have solved 200% of it now for the 16%. The percentage of 54 of 16% would be 8.64. Now add up all we have learned.

108 + 8.64 = 116.64

6 0
2 years ago
Y=40+90x what is the meaning
Dafna1 [17]
Y = total cost
40 = The one time fee
90 = the service charge per month
x = number of months
4 0
4 years ago
-5(w+4) +8&lt; - 42 need a quick answer
Nesterboy [21]

Answer:

w > 6

Step-by-step explanation:

Let's solve your inequality step-by-step.

−5(w+4)+8<−42

Step 1: Simplify both sides of the inequality.

−5w−12<−42

Step 2: Add 12 to both sides.

−5w−12+12<−42+12

−5w<−30

Step 3: Divide both sides by -5.

\frac{-5w}{-5} < \frac{-30}{-5}

w > 6

<u>Answer: </u>

<u />w > 6

Thanks!

- Eddie

7 0
1 year ago
Helpppppp mathhh failing
LenKa [72]
Sin60 =b/10
<span>√3/2 = b/10
</span>b = <span>√3 / 2 (10)
</span>b = 5<span>√3
</span>
d^2  = 10^2 - (5√3)^2
d^2 = 100 - 75
d^2 = 25
d = 5

sin30 = b/a
1/2 = 5√3  / a

a = 5√3 (2)
a = 10√3

c^2 = (10√3)^2  -  (5√3)^2
c^2 = 300 - 75
c^2 = 225
c = 15

so
a =10√3,  b = 5√3, c = 15,d = 5
answer is
D. last choice

4 0
4 years ago
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