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sukhopar [10]
3 years ago
8

2 [30- (28-2)] +5 answer with explanation please!

Mathematics
2 answers:
Galina-37 [17]3 years ago
6 0

Answer:

13

Step-by-step explanation:

Simplify the following:

2 (30 - (28 - 2)) + 5

Hint: | Subtract 2 from 28.

| 2 | 8

- | | 2

| 2 | 6:

2 (30 - 26) + 5

Hint: | Subtract 26 from 30.

| 2 | 10

| 3 | 0

- | 2 | 6

| 0 | 4:

2×4 + 5

Hint: | Multiply 2 and 4 together.

2×4 = 8:

8 + 5

Hint: | Evaluate 8 + 5.

8 + 5 = 13:

Answer:  13

SSSSS [86.1K]3 years ago
4 0

well first u will solve the numbers in the brackets;

=2 (30-6)+5

=2 (23)+5

then 2 will be multiplied with 23;

=46+5

=51

the answer is 51.

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Simplify y+1<3 please need help
Zepler [3.9K]
STEP-BY-STEP SOLUTION:

Let's first establish the inequality which we need to solve as displayed below:

y + 1 < 3

To begin with, we need to make ( y ) the subject by keeping it on the left-hand side of the inequality and placing all other numbers on the right-hand side of the equality as displayed below:

y + 1 < 3

y < 3 - 1

Then, we simply simplify / solve as displayed below:

y < 3 - 1

y < 2

ANSWER:

y < 2
4 0
3 years ago
If X = 2 centimeters, Y = 5 centimeters, and Z = 5 centimeters, what is the area of the object?
Elena L [17]

Answer:  35 cm^2

Step-by-step explanation:

<em>Area of trapezium = </em>

2X = 2 + 2 = 4 cm

2Z = 5 + 5 = 10 cm

Y = 5 cm

\dfrac{  \left( 4+10  \right)    }{ 2  }   \times  5

                 |

                 |--------> 35 cm^2

6 0
1 year ago
WILL MARK BRAINLIEST IF ITS RIGHT !!
Furkat [3]

Answer:

Around 0.22

<u>FIRST THOUGH, I FEEL LIKE 90 MIGHT HAVE MEANT TO BEEN 0.9, SO IF SO SUBSTITUTE THE 90 BELOW FOR 0.9!</u>

<u></u>

Step-by-step explanation:

Okay, so first.

Company A will be 50 a day plus 0.4 a mile

Company B will be 30 a day plus 90 per mile

We can write an equation like this:

50 + 0.4m = 30 + 90m

m = miles they are the same

Then we solve for m.

50 + 0.4m = 30 + 90m

     - 0.4m            - 0.4m

50 = 30 + 89.6m

- 30    - 30

20 = 89.6m

Divide both sides by 89.6

Around 0.22!

5 0
2 years ago
Evaluate the following expression. y + 9 when y = 12
tino4ka555 [31]

Answer:

21

Step-by-step explanation:

y+9 = ?

y=12

12+9=21

5 0
2 years ago
Read 2 more answers
5у - 4х = -7 <br>2y + 4x = - 14​
Nuetrik [128]
1. Y= 5/4x -1.4
2.Y=-2/4x -7
Formula is Y=MX+B
To solve these equations you have to make the Y separate so add or subtract the x value depending on the charge remember what you do to one side you do to the other after you divide everything by the number in the Y value and for the x you put the y value on-top and make it a fraction
3 0
3 years ago
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