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bezimeni [28]
2 years ago
13

I need help with this Order of Operations Escape Room.

Mathematics
1 answer:
ss7ja [257]2 years ago
4 0

Answer:

Here are some things that could help.

Step-by-step explanation:

PEMDAS/GEMDAS

Parentheses/grouping

Exponents (x², x⁷)

Multiplication

Division

Adding

Subtracting

Example:

5²+3(12+2)+6•9

12+2 would be first, then find 5², then 6•9, then the result from 5²+3, and then add the rest of the results.

sorry I'm bad at explaining

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Triangle CDE is an isosceles triangle with angle d congruent to angle E if CD= 4x+9, DE= 7x-5, CE= 16x-27, find x and the measur
Montano1993 [528]
ANSWER

x = 3
CD= 21 \: units
DE= 16 \: units

CE= 21 \: units



EXPLANATION

It was given that ∆CDE is an isosceles triangle.

The length of the sides are given in terms of x as follows.

CD=4x+9


DE=7x-5


CE=16x-27



It was also given that, angle D is congruent to angle E.


This implies that, side CD and CE are equal.


Thus,

|CD|  =  |CE|
In terms of x, we have;

4x + 9 = 16x - 27


We group like terms to get,

16x - 4x = 9 + 27

12x = 36

Divide both sides by 12 to get,

x =  \frac{36}{12}

\therefore \: x = 3


The length of the sides are;

CD=4(3)+9 = 21 \: units

DE=7(3)-5 = 16 \: units


CE=16(3)-27 = 21 \: units
3 0
4 years ago
At the beginning of an experiment, the number of bacteria in a colony was counted at time t=O. The number of bacteria in the col
yan [13]

Answer:

1092

Step-by-step explanation:

We have been given that the number of bacteria in the colony t minutes after the initial count modeled by the function B(t)=9(3)^t. We are asked to find the average rate of change in the number of bacteria over the first 6 minutes of the experiment.

We will use average rate of change formula to solve our given problem.

\text{Average rate of change}=\frac{f(b)-f(a)}{b-a}

Upon substituting our given values, we will get:

\text{Average rate of change}=\frac{b(6)-b(0)}{6-0}

\text{Average rate of change}=\frac{9(3)^6-9(3)^0}{6}

\text{Average rate of change}=\frac{9(729)-9(1)}{6}

\text{Average rate of change}=\frac{6561-9}{6}

\text{Average rate of change}=\frac{6552}{6}

\text{Average rate of change}=1092

Therefore, the average rate of change in the number of bacteria is 1092 bacteria per minute.

8 0
3 years ago
Subtract. 6 1/3 − 4 1/9 <--- Subtract A. 2 7/9 B. 2 5/9 C. 2 4/9 D . 2 2/9
sertanlavr [38]

Your answer ---> D . 2 2/9

3 0
3 years ago
Find the quotient.<br>8.24 = 1.7=​
WITCHER [35]

Answer:

4.847

Step-by-step explanation:

divide 8.24 by 1.7

8.24 /1.7 = 4.847

6 0
3 years ago
Read 2 more answers
Please help me with this<br><br> a . 18<br><br> b . 16<br><br> c . 12<br><br> d . 9
lbvjy [14]
It would have the be B. 16
8 0
3 years ago
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