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3 years ago

Can Someone please help me !!! ( you have to fill out the blanks )

Mathematics

1 answer:

kondaur [170]3 years ago

8 0

Answer:

1. 5(a-6) = 5a-30

2. 2(3a-b) = 6a-2b

3. 5(-5x+3) = -25x+15

4. -(2c+3) = -2c-3

Both of their first step are correct (Show your calculations to explain)

x-9 = 5

x = 14

2x-18 = 10

2x = 28

x = 14

Step-by-step explanation:

All Above

You might be interested in

If -12-4(-2x)= 4 then what is x?

11111nata11111 [884]

Answer:

$\boxed{\boxed{\sf x=2}}$

Step-by-step explanation:

$\sf -12-4\left(-2x\right)=\:4$

First, let's remove parentheses:

$\sf -12-4\times -2x=4$

Simplify, multiply, 4 * -2x = -8x:

$\sf -12-(-8x)=4$

** Apply rule: - ( -a )= a

$\sf 12+8x=4$

Now, let's regroup terms

$\sf 8x-12=4$

Add 12 to both sides:

$\sf -12+8x+12=4+12$

Simplify, 4 + 12= 16

$\sf 8x=16$

Divide both sides by 8:

$\sf \cfrac{8x}{8}=\cfrac{16}{8}$

$\sf x=2$

6 0

3 years ago

Read 2 more answers

What is the sum of the first two multiple of 6

Sonbull [250]

The first multiple of 6 is 1 and 6, so 1+6=7

8 0

3 years ago

Read 2 more answers

The product of a number and five is eight

artcher [175]

Answer:

Assuming x is the number, then $x=1.6$

Step-by-step explanation:

If the product of a number and 5 is 8, the equation becomes:

$5x=8$ (assuming x is the unknown number).

We can isolate the variable x by dividing both sides by 5.

$5x\div5 = 8\div5\\x = 1.6$

Hope this helped!

3 0

4 years ago

25x + 10 = 260<br> Please Help!

madreJ [45]

Answer:

x = 10

Step-by-step explanation:

25x + 10 = 260

=> 25x = 250

=> x = 10

Hoped this helped.

4 0

2 years ago

Merry is making an abstract triangular collage for the wall. She has 14 feet of edging to go around the collage. If the longest

xxTIMURxx [149]

Answer:

The length of each side of the triangular collage:

a = smallest side = 3 feet

b = other side(second side) = 5 feet

c = Longest side = 6 feet

Step-by-step explanation:

She has 14 feet of edging to go around the collage.

14 feet = Perimeter of the triangle

The Perimeter of a Triangle = a + b + c where

a = smallest side

b = other side(second side)

c = Longest side

From the question, we are told that:

If the longest side is twice the smallest

c = 2a

The other side is four less than three times the smallest,

The other side = b

b = 3 × a - 4

b = 3a - 4

Hence,

P = a + b + c

14 = a + 3a - 4 + 2a

14 = a + 3a + 2a -4

14 = 6a - 4

Collect like terms

14 + 4 = 6a

18 = 6a

a = 18/6

a = 3ft

Therefore the smallest side = 3

The Longest side(c) = 2a

c = 2 × 3

c = 6ft

The other side(b) = 3a - 4

= 3(3) - 4

= 9 - 4

= 5 feet.

Therefore, the length of each side of the triangular collage:

a = smallest side = 3 feet

b = other side(second side) = 5 feet

c = Longest side = 6 feet

6 0

4 years ago