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defon
3 years ago
15

Place parentheses and brackets in the expression below so that it equals 18.

Mathematics
1 answer:
Ahat [919]3 years ago
5 0

Answer:

18

Step-by-step explanation:

\{{2}^{3} (4 \div 2)  \}+ 2 \\  \\  =  \{{2}^{3} \times 2 \} + 2 \\  \\  =  {2}^{3 + 1}  + 2 \\  \\  =  {2}^{4}  + 2 \\  \\  = 16 + 2 \\  \\  = 18

You might be interested in
3(x-5)=18<br> solve this=
Lunna [17]
3 (x-5) = 18
3x - 15 = 18
3x = 18 + 15
= 33
x = 11

I hope this helped! :)
4 0
3 years ago
What value of x is in the solution set of 3(x - 4) 5x + 2?
telo118 [61]

Answer:

8x-10

Step-by-step explanation:

3(x-4)5x+2

3x-12+5x+2

8x-10

7 0
3 years ago
The weight of oranges growing in an orchard is normally distributed with a mean weight of 7 oz. and a standard deviation of 1.5
Katena32 [7]

Answer:

2 to 11 ounces would be the interval.

Step-by-step explanation:

Add 3 standard deviations above and below the mean to get the range in which 99.7% of the data in a normal distribution will fall

6.5 + 4.5 = 11

6.5 - 4.5 = 2.

Hope this helped!

3 0
3 years ago
What is the measure of ZCED?
Vlad [161]

Answer:

The correct option is A.

A) m, because ΔABC ~ ΔEDC

Step-by-step explanation:

Consider the both triangles.

<B = 60°

<D = 60°

<B and <D are congruent

<ACB = 90°

<DCE = 90°

<ACB and < DCE are also congruent.

As sum of the angles of triangle is 180°

<A = 180° - <ACB - <B

<A = 180° - 90° - 60

<A = 30° = m

<E = 180° - <DCE - <D

<E = 180° - 90° - 60°

<E = 30°

As m = 30°

<E = <CED = m

As segment AD cuts segment BE, which results in formation of two triangle, and as all angles of both triangles are equal, both triangles are similar.

6 0
4 years ago
ted science class collects aluminum cans to sell to the recycling center. the center pays $0.002 for each kilogram of aluminum
pshichka [43]
Since there is no way to determine what is asked from the given above, I assumed that it is the total earning from the sales of the aluminum cans. To answer, multiply the mass of aluminum cans in kilograms to the price of 1 kilogram of cans. Example, if there are x kilograms of aluminum cans, the total earning would be $0.002x. 
7 0
3 years ago
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