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Natali5045456 [20]
3 years ago
8

Marla made an error when solving the equation shown. What was her error ,and how should she fix it?

Mathematics
1 answer:
AleksandrR [38]3 years ago
8 0

In Step 1, she used the Distributive Property incorrectly. She should have distributed the 3 to the 2. The equation should have been

3x + 6 + 1 = 24.

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What is the theoretical probability of rolling two dice and getting an odd number on both of them?
VikaD [51]

Answer:

25%

Step-by-step explanation:

I'm not great at probability but the chances of rolling an odd number on one dice is 50%, so you should have to multiply 0.5 * 0.5 to get 0.25, or a percentage of 25%. Hope this helps :)

4 0
4 years ago
On a drive from one city to​ another, the person averaged 51 mph. If he had been able to average 72 ​mph, he would have reached
erica [24]

Answer: 1224 miles

Step-by-step explanation:

Given

the average speed of a person is 51 mph

If speed is increased to 72 mph, he would have reached 7 hr earlier

Suppose d and t be the distance and time taken

\Rightarrow t_1=\dfrac{d}{51}

If the speed is 72 mph

\Rightarrow t_2=\dfrac{d}{72}

Also, t_1-t_2=7

\Rightarrow \dfrac{d}{51}-\dfrac{d}{72}=7\\\\\Rightarrow \dfrac{1}{51}-\dfrac{1}{72}=\dfrac{7}{d}\\\\\Rightarrow \dfrac{24-17}{1224}=\dfrac{7}{d}\\\\\Rightarrow \dfrac{7}{1224}=\dfrac{7}{d}\\\\\Rightarrow d=1224\ miles

7 0
3 years ago
What am I supposed to do? :(
Blababa [14]
First, the area of the space.
A=LW
A= 17 x 20
A= 340 ft squared

Now, we know that each person takes up 2.25 ft squared. So we divide as such:

340/2.25
=151.11111
Rounded to nearest person:
151 is your answer.

I hope this Helps!
7 0
3 years ago
Read 2 more answers
On a certain day, the exchange rate was 60 U.S. dollars for 50 euro. How many U.S. dollars were 80 euro worth that day?
fgiga [73]

Answer: 90 U.S. dollars

If 60 U.S. dollars represwnt 50 euros, we will add.

80 euros represent 90 dollars because: there are 10 more euros than dollars.

Hope this helps!

6 0
4 years ago
Read 2 more answers
What is the estimated volume of a figure with a length of 3cm, a height of 4cm, and a width that is approximately 2 times the he
Hoochie [10]

Step-by-step explanation:

Given

length(l)=3cm

height(h)=4cm

breath or width (b)=2×h=2×4=8cm

now it is a cuboid

volume of cuboid=l×b×h=3×8×4=96cm³

7 0
3 years ago
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