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IgorC [24]
3 years ago
15

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. His sister states that the expression should be x

+ x + 0.5x + y + y – 2. Who is correct? Explain
Mathematics
1 answer:
meriva3 years ago
5 0

✨ SAMPLE ANSWER ✨

The entire expression should be subtracted from 30. To subtract the quantity, distribute the negative sign, which changes the signs on the terms. So, the –2 changes to positive and gets added to 30 instead of subtracted from it.

If this helped, please thank me!

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· Expand and simplify (x - 2)(x + 7)
lisov135 [29]

Answer:

Expand:

x^2+7x-2x-14

Answer:

x^2+5x-14

Step-by-step explanation:

3 0
3 years ago
Wade was asked to solve this inequality:
frozen [14]

Answer:

The correct option is Option A: Yes, that is the correct step

Step-by-step explanation:

Wane was asked to solve the inequality \large \frac{x}{3}\ge11

He decides that he needs to multiply both sides by 3.

We need to tell if the step is correct?

So, solving the inequality

\frac{x}{3}\ge11

We need to multiply both sides by 3, to get value of x i.e.

\frac{x}{3}*3\ge11*3\\x\geq 33

So, Wanes step is correct.

The correct option is Option A: Yes, that is the correct step

6 0
3 years ago
Identify the value of x and the length of each secant segment. HELP PLS options: x = 15; PR = 12; PT = 19 x = 15; PR = 19; PT =
Yakvenalex [24]

Answer:

Option C.

Step-by-step explanation:

From the given figure it is clear that

PQ=5,QR=7,PS=4,ST=x

So,

PR=PQ+QP=5+7=12

PT=PS+ST=4+x

Using Intersecting Secants Theorem, we get

PQ\times PR=PS\times PT

5\times 12=4\times (4+x)

60=16+4x

60-16+4x

44=4x

Divide both sides by 4.

11=x

PT=4+x=4+11=15

Since, x = 11; PR = 12; PT = 15, therefore the correct option is C.

8 0
3 years ago
The question is located on the picture please help! :)
ludmilkaskok [199]

Answer:

D

Step-by-step explanation:

this is because it increases quickly and then increases more slowly

3 0
3 years ago
Jim needs to rent a car. A rental company charges $21 per day to rent a car plus $0.80 per mile driven. How many miles can he dr
chubhunter [2.5K]

Answer:

Inequality: .80x +21 ≤ 82

Answer: 76.25 miles in total

Step-by-step explanation:

Hi,

An inequality to represent this is .80x +21 ≤ 82

(.80 is the cost per mile and x is the number of miles driven. 21 is the fee that must be paid no matter what and the 82 is the total cost they can pay. We use the ≤ sign to say they can spend less than or equal to 82. The phrase "at most" means we can use the ≤ sign).

Now we solve...

.80x + 21 ≤ 82

Subtract 21 on both sides...

.80x ≤ 61

Now, divide by .80 on both sides...

x ≤ 76.25

He can drive up to 76.25 miles in total

Hope this helps :)

5 0
3 years ago
Read 2 more answers
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