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Lady bird [3.3K]
3 years ago
5

PLEASE HURRY!

Mathematics
2 answers:
Paraphin [41]3 years ago
5 0

Answer:

33-11

48-26

Alice’s age (a) = Martha’s age (m) + 22

Step-by-step explanation:

In order to find the blank spots you would need to find the difference in the filled spots. We are trying to figure out the difference which is subtraction.

28 - 6 = 22

To make sure we are correct we would do another problem.

37 - 15 = 22

So in order to find Martha's age when Alice was 33, we would subract 22.

33 - 22 = 11

Same when Alice was 48.

48 - 22 = 26

And the last equation is asking the difference between them, which would be 22.

Gnoma [55]3 years ago
3 0

Answer:

11

26

44

Step-by-step explanation:

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I don't really understand it
dimulka [17.4K]
Yes so first the ratio is 3 (30/10)

so then you take the original ratio (9/10) and multiply the 9 by 3 (27)

30+27=57 so yes it is
7 0
3 years ago
Which equation has infinitely many solutions?
raketka [301]

Answer:

C

Step-by-step explanation:

5.1 + 2y + 1.2 = -2 + 2y + 8.3 ( subtract 2y on each side)

5.1 + 1.2 = -2 + 8.3 ( collect like terms)

6.3 = 6.3

If the equation ends with a true statement (ex: 2=2) then you know that there's infinitely many solutions or all real numbers.

4 0
3 years ago
Read 2 more answers
Acircular ring has across -section as shown .If the outer radias 20 mm and the inner radius 16 mm .Calculate the cross - section
Zina [86]

Answer:

452.45mmm^2

Step-by-step explanation:

Step one:

Given data

outer radius R= 20mm

inner radius r= 16mm

let us find the area of the outer circle

Area= πR^2

Area= 3.142*20^2

Area= 3.142*400

Area= 1256.8 mm^2

let us find the area of the inner circle

Area= πr^2

Area= 3.142*16^2

Area= 3.142*256

Area= 804.35 mm^2

Hence the area of the section is

Area of outer- Area of inner

=1256.8-804.35

=452.45mmm^2

4 0
3 years ago
Simplify 3a(a^2-3a+4)-4(3a^3-2a^2)
bogdanovich [222]

Answer:

<h2>−9a³ − a² + 12a</h2>

Step-by-step explanation:

3a(a²-3a+4)-4(3a³-2a²) = 3a³ − 9a² + 12a − 12a³ + 8a²

                                     = (3a³ − 12a³) + (− 9a² + 8a²) + 12a  

                                     = −9a³ − a² + 12a

4 0
3 years ago
Helllllpppppppppp idk what it issssss
yulyashka [42]
I think it’s either a or c
8 0
3 years ago
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