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NISA [10]
3 years ago
5

.helppppppppppp......​

Mathematics
2 answers:
Lelu [443]3 years ago
7 0

Step-by-step explanation:

hope you get ur answer

malfutka [58]3 years ago
3 0

Answer:

3x+10

Step-by-step explanation:

(5x+7)-(2x-3)

5x-2x=3x

7-(-3)=7+3=10

3x+10 is the answer

How to Verify:

2x-3+3x+10 MUST equal 5x+7.

Add the Variables:

2x+3x=5x

-3+10=7

5x+7

Aha! We get the original expression.

Have a marvellous day!:-)

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<img src="https://tex.z-dn.net/?f=2%288x%20-%207%29" id="TexFormula1" title="2(8x - 7)" alt="2(8x - 7)" align="absmiddle" class=
natima [27]

This is distributive property and to do distributive property, you distribute what is outside of the parenthesis to the numbers inside the parenthesis.

How-to-do:

2(8x-7)

2(8x) - 2(7)

16x-14

6 0
3 years ago
Read 2 more answers
3 step equations, I really need help on these with all the work:
sesenic [268]

Answer:

fdsfskdfdsjg,dgkdfjkgjkdfgjkfjkdghdkj

Step-by-step explanation:

3 0
3 years ago
I need your help please!
Aneli [31]

Answer:

1 mile is mapped to 0.3428 inches i.e. unit rate is 0.3428 inches/mile.

Step-by-step explanation:

Given that the scale of the map is \frac{3}{10} inches = \frac{7}{8} miles ....... (1)

Now, we have to convert this map scale to a unit rate.

And the unit rate is the number of inches per mile.  

As the scale is constant, therefore from the the relation (1) we get  

1 mile = \frac{3 \times 8}{10 \times 7} = 0.3428 inches.

Therefore, 1 mile is mapped to 0.3428 inches i.e. unit rate is 0.3428 inches/mile.  (Answer)

5 0
3 years ago
I need help! I'm *so* confused! I will mark Brainliest
Naddik [55]

Answer:

(-2,21)

Step-by-step explanation:

2 days ago, Paulo's commute time was halfway between his commute times 8 and 9 days ago.

8 days ago means that x-coordinate -8 represents this day. Count 8 units to the left and find that when x = -8, y = 24 minutes.

9 days ago means that x-coordinate -9 represents this day. Count 9 units to the left and find that when x = -9, y = 18 minutes.

Find halfway commute time between points (-8,24) and (-9,18):

y=\dfrac{24+18}{2}=\dfrac{42}{2}=21,

then coordinates that Paulo should graph are

(-2, 21)

(-2 means 2 days ago, 21 is the halfway)

5 0
3 years ago
Determine whether each set of side lengths could be the sides of a right triangle. Drag and drop each set of side lengths to the
Neko [114]

Answer:

  • 10.5cm,20.8cm,23.3cm — yes
  • 6cm, 22.9cm,20.1cm — no

Step-by-step explanation:

If the sides form a right triangle, the sum of the squares of the shorter two sides will equal the square of the longest side.

1. 10.5^2 + 20.8^2 = 23.3^2 . . . . . true algebraic statement; right triangle

__

2. 6^2 +20.1^2 = 440.01 ≠ 22.9^2 = 524.41 . . . . . this is an obtuse triangle

7 0
3 years ago
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