3 years ago

TIME REMAINING

Mathematics

2 answers:

myrzilka [38]3 years ago

5 0

Answer:

he's right its c

Step-by-step explanation:

on edg

Stels [109]3 years ago

4 0

Answer: C

f) = 2(x+1) + 2

Step-by-step explanation:

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The sum of two numbers is -6. The difference is 16. Find the two numbers.

Bess [88]

Answer:

$-5\:\mathrm{and}\: 11$

Step-by-step explanation:

We can write the following system of equations:

$\begin{cases}x+y=6\\x-y=16\\\end{cases}$

Adding both equations together, we isolate $x$ and get:

$2x=22,\: x=11$

Plugging $x=11$ in any of the equations, we can solve for $y$ :

$11+y=6,\: y=-5$

Verify that the solution pair $(11, -5)$ works $\checkmark$

Therefore, the two numbers are $\fbox{$-5\:\mathrm{and}\: 11$}$ .

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3 years ago

33 more than the product of 7 and a number x is less than 26.

iogann1982 [59]

7x +33 < 26 isolate the term with a variable by subtracting 33
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3 years ago

One student ate 3/20 of all candies and another 1.2 lb. The second student ate 3/5 of the candies and the remaining 0.3 lb. What

Roman55 [17]

The students ate 6 lbs of candies.

8 0

3 years ago

What’s the algebraic expression to this please help !!!!

Wewaii [24]

2 × c ÷ 7 ÷ 2. This better?

8 0

3 years ago

Today only, a desk is being sold at a 33% discount. The sale price is $268. What was the price yesterday?

Serga [27]

Discount percent = 33%

Sale price = $268

Let the original price be $x.

So,

$x - (33\% \: of \: x) = 268 \\ = > x - ( \frac{33}{100} \times x) = 268 \\ = > x - ( \frac{33x}{100}) = 268 \\ = > \frac{100x}{100} - \frac{33x}{100} = 268 \\ = > \frac{(100x - 33x)}{100} = 268 \\ = > \frac{67x}{100} = 268 \\ = > 67x = 268 \times 100 \\ = > 67x = 26800 \\ = > x = \frac{26800}{67} \\ = > x = 400$

So, yesterday the price was $400.

5 0

3 years ago