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Mashutka [201]
3 years ago
10

Help me out with the on at the top that says number system

Mathematics
1 answer:
ser-zykov [4K]3 years ago
3 0
11.2 + 3.4 = 14.6
Marcus dived down a total of 14.6 meters

He then swims up 6.2 meters

14.6 – 6.2 = 8.4

He is a total of 8.4 meters below the surface.
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Solve each system by substitution -7x+2y=18, 6x+6y=0
abruzzese [7]
The following pictures should explain well enough how to solve this would take to long to write out the end answer however are x=-12.5 and y=34.75 the steps are the following pictures Hope this helps!=)

8 0
3 years ago
Please show your work.
mr_godi [17]

Answer:

Option c

Step-by-step explanation:

Given : Marcus suggests that figure A was reflected over the y-axis and then translated 2 to the right and 1 up. Julianne agrees and states that the transformations could happen in any order.

Solution :

If we shift according to the Marcus then we get the correct figure refer the attached figure (Marcus case)

Julianne agrees and states that the transformations could happen in any order.

Option c : Inaccurate. A translation of 2 to the right and 1 up and then a reflection over the y-axis results in a figure that is located in the second quadrant.

This best describes the accuracy of Julianne’s statement

Refer the attached file which shows the figure according to option c

in option c the order is not followed so the resultant figure is incorrect .



5 0
3 years ago
Read 2 more answers
Can someone please help me!! i need work as well.
Travka [436]
I got it! the Brass would cost $6 each and the Steel Parts would cost $3 each so if you were gonna buy 10 Brass and 13 Parts it would cost $60 for the brass and $39 for the Parts. So $60+$39= $99 And the answer is C
7 0
3 years ago
Find the height of the pole if the shadow of a boy 5 ft. 6 in. tall is 2 ft. and the shadow of the pole is 2 yards.
oee [108]
2*2-1/3 yards= 4-2/ yards =14 feet.
THE SHADOW IS HALF THE HEIGHT OF OBJECT, SINCE A 6 FEET BOY CASTS A 3 FEET . SO THE POLE WILL BE TWICE THE LENGTH OF ITS SHADOW. try this
8 0
3 years ago
A group of 8 friends (5 girls and 3 boys) plans to watch a movie, but they have only 5 tickets. If they randomly decide who will
Eddi Din [679]

Answer:

D. 0.821

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The combinations formula is important to solve this question:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

Desired outcomes

The order is not important. For example, Elisa, Laura and Roze is the same outcome as Roze, Elisa and Laura. This is why we use the combinations formula.

At least 3 girls.

3 girls

3 girls from a set of 5 and 2 boys from a set of 3. So

C_{5,3}*C_{3,2} = 30

4 girls

4 girls from a set of 5 and 1 boy from a set of 3. So

C_{5,4}*C_{3,1} = 15

5 girls

5 girls from a set of 5

C_{5,5} = 1

D = 30+15+1 = 46

Total outcomes

5 from a set of 8. So

T = C_{8,5} = 56

Probability

P = \frac{D}{T} = \frac{46}{56} = 0.821

So the correct answer is:

D. 0.821

6 0
3 years ago
Read 2 more answers
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