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BartSMP [9]
3 years ago
10

The sum of 3 fifthteens and 4 twos

Mathematics
2 answers:
katovenus [111]3 years ago
8 0

Answer:

15+15+15+2+2+2+2=(3×15)+(4×2)=45+8=53

anyanavicka [17]3 years ago
7 0

Answer:

It is 2.2 or 2 1/5

Step-by-step explanation:

By 4 twos I'm gonna assume you mean 4/2

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Select one:
trasher [3.6K]

Answer:

C

Step-by-step explanation:

plug the first point in (0), cancels out B, D, E bc g(x) doesnt equal to -1

now the two left are A and C, plug in 1, A doesn't work because 1^2-1=0, not 1

C works because 2(1)-1 = 2-1= 1

7 0
3 years ago
Read 2 more answers
Beth has dimes and quarters worth $3.70. if there are 19 coins in all, how many quarters does she have
myrzilka [38]
You can set this up as a system of equations.

x + y = 19
10x + 25y = 3.70

Your answer would be 31.42 dimes and -12.42 quarters. 



4 0
3 years ago
The period of | sin (3x) | is <br><br> A. 2 pi <br> B. 2 pi / 3 <br> C. pi / 3 <br> D. 3 pi
GREYUIT [131]
The period of | sin (3x) | is <span>C. pi / 3.</span>
4 0
3 years ago
Read 2 more answers
Hello please help i’ll give brainliest
Nikitich [7]

Answer:

None. The movement of these tectonic plates is likely caused by convection currents in the molten rock in Earth’s mantle below the crust.

Step-by-step explanation:

Plate tectonics is the scientific theory explaining the movement of the earth’s crust. It is widely accepted by scientists today. Recall that both continental landmasses and the ocean floor are part of the earth’s crust, and that the crust is broken into individual pieces called tectonic plates (Fig. 7.14). The movement of these tectonic plates is likely caused by convection currents in the molten rock in Earth’s mantle below the crust. Earthquakes and volcanoes are the short-term results of this tectonic movement. The long-term result of plate tectonics is the movement of entire continents over millions of years (Fig. 7.18). The presence of the same type of fossils on continents that are now widely separated is evidence that continents have moved over geological history.

Information found on:

<u>https://manoa.hawaii.edu/exploringourfluidearth/node/1348#:~:text=Plate%20tectonics%20is%20the%20scientific,movement%20of%20the%20earth's%20crust.&text=The%20movement%20of%20these%20tectonic,results%20of%20this%20tectonic%20movement.</u>

8 0
3 years ago
The expression 2(a + b) = -8.1 for certain value of a and b. Find the value of the following expression for the same value of a
charle [14.2K]

Answer:

-12.15

Step-by-step explanation:

2(a+b)=-8.1

a+b=-4.05

3(a+b)=3(-4.05)

3(a+b)=-12.15

4 0
3 years ago
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