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max2010maxim [7]
2 years ago
14

Plz help me, T-T I really need this is for class

Mathematics
1 answer:
vekshin12 years ago
4 0

Answer:

Ask: To check and make sure your answer is correct

Share: Subtracting a number is the same as adding its opposite. So, subtracting a positive number is like adding a negative; you move to the left on the number line. Subtracting a negative number is like adding a positive; you move to the right on the number line.

Step-by-step explanation:

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Solve: <br>x + y = 7<br>3x - 2y = 11<br><br>By using Substituting method.​
Salsk061 [2.6K]

\large\underline{\sf{Solution-}}

\sf  \longmapsto x + y = 7 \: \: - - - (i)

\sf  \longmapsto 3x - 2y = 11 \: \: - - - (ii)

<u>By first equation,</u>

\sf  \longmapsto x + y = 7

\sf  \longmapsto x = 7 - y

<u>Now, we can find the original value of y.</u>

\sf \longmapsto 3x - 2y = 11

\sf  \longmapsto 3(7 - y) - 2y = 11

\sf  \longmapsto 21 - 3y - 2y = 11

\sf  \longmapsto 21 - 5y = 11

\sf  \longmapsto - 5y = 11 - 21

\sf  \longmapsto - 5y =  - 10

\sf  \longmapsto y = \dfrac{ - 10}{ - 5}

\sf  \longmapsto y = 2

<u>Now, we can find the original value of x.</u>

\sf  \longmapsto x + y = 7

\sf  \longmapsto x + 2 = 7

\sf  \longmapsto x = 7 - 2

\sf  \longmapsto x = 5

Therefore, the values of x and y are 5 and 2 respectively.

8 0
2 years ago
Read 2 more answers
Quadrilateral H’ is the image of quadrilateral H after a sequence of transformations. If quadrilateral H’ is congruent to quadri
Nataly_w [17]
The last one is correct



A translation of 6 units down a rotation and then a reflection






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8 0
3 years ago
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The question and the parts are in the link below I will give points and mark brainiest!
tekilochka [14]
Answer:

step-by-step explanation:
i do not see the question but i will tell you everything about the graph
it’s from 20-95
the median is 50
the range is 40-60
3 0
2 years ago
A carton has a length of 2 1/2 feet, width of 3 1/2 feet, and height of 5 feet. What is the volume of the carton?
Genrish500 [490]

Answer:

Volume of the carton = 43 3/4 feet ³

Step-by-step explanation:

Volume of the carton = length × width × height

length = 2 1/2 feet

width = 3 1/2 feet

height = 5 feet

Volume of the carton = length × width × height

= 2 1/2 feet × 3 1/2 feet × 5 feet

= 5/2 × 7/2 × 5

= (5*7*5) / (2*2)

= 175 / 4

= 43 3/4 feet ³

Volume of the carton = 43 3/4 feet ³

5 0
3 years ago
Pls help me if you can
cluponka [151]

Answer:

55

Step-by-step explanation:

In the first block its 52 and in the 3 blocks

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