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Elena-2011 [213]
2 years ago
11

-3(5x + 6) + 2 = 2(8 + 8x) - 1

Mathematics
1 answer:
bija089 [108]2 years ago
6 0
So first, we multiply out the brackets.
-15x - 18 + 2 = 17 + 16x -1
Then, bring all the terms onto one side so you can solve.
-15x-18+2-17-16x+1=0
Then, we simplify this.
-31x-32=0
Then, isolate x
-31x=32
x=32/-31 or -1.03 (nearest hundredth )
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The sides of a rectangle have length x+ 2 and width x -5. Which equation describes the area, A, of the rectangle in terms of x?​
Yakvenalex [24]

Answer:

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

Step-by-step explanation:

The area of a rectangle is length times width.

So the area here is (x+2)(x-5).

They are probably not looking for A=(x+2)(x-5) because it requires too little work.

They probably want A in standard form instead of factored form.

Let's use foil:

First x(x)=x^2

Outer: x(-5)=-5x

Inner: 2(x)=2x

Last: 2(-5)=-10

---------------------Adding together:  x^2-3x-10.

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

4 0
2 years ago
2248/98 as a mix fraction?
Anarel [89]
The answer is 22 46/49 
Answer:
= 2248/1 ÷ 98/1

= (2248 × 1) / (98 × 1)

= 2248/98

= 1124/49

<span>= 22 46/49</span>

3 0
3 years ago
Use rounding or compatible number to estimate the difference 287- 162
Nookie1986 [14]
Okay so i subtract and then i got my number 125 as the total answer
5 0
3 years ago
One pound of nuts costs $2.80. Aaron bought 2 pounds of nuts. He gave the clerk a $10.00 bill. How much change did he get?
Ratling [72]
2x2.80=5.60
10.00-5.60=4.40
4 0
2 years ago
An artist mixes 2/5 ounce of blue paint with 1/15 ounce of green paint. Using the same ratio, how many ounces of green paint sho
lutik1710 [3]

Answer:2/75

Step-by-step explanation:

2/5 1/15

2x1=2 15x5=75

6 0
2 years ago
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