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Nuetrik [128]
3 years ago
13

Using the letter x for any unknown number. i think of a number i add one and then double it

Mathematics
1 answer:
ivann1987 [24]3 years ago
5 0

Answer:

2(x+1) or 2x+2

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Ryan sells T shirts for $12.92 each. He has a special deal: buy 2 and get the third at 25% off. How
MaRussiya [10]

Answer:

<u>$35.53</u>

Step-by-step explanation:

25% of 12.92 is 3.23

so 12.92-3.23=9.69

now plus the 2 shirts 9.69+12.92+12.92=<u>35.53</u>

7 0
2 years ago
Write the quadratic equation in standard form and then choose the value of “b” (2x - 1)(x + 5) =0
RUDIKE [14]

We want to write the given function in the form ax^2 + bx + c = 0.

We foil the left side.

(2x - 1)(x + 5) =0

2x^2 + 10x - x - 5 = 0

2x^2 + 9x - 5 = 0

Can you see the value of "b"?

The b-value is the coefficient of x.

So, b = 9.

Done!

6 0
3 years ago
Hagan ran 3 miles in 15 minutes at a constant speed. How long will it take him to run 12 miles at the same speed?
Ratling [72]

Answer:

about 2.4 or 2

Step-by-step explanation:

because 15 divided by 3 gives you unit rate which is 5 now 12 divided by 5 which you can round or get decimal

5 0
4 years ago
Read 2 more answers
4.<br> Determine distance between (3,-4) and (-2;-10).
Cloud [144]

Answer:

Step-by-step explanation:

1. Use distance formula d=√((x_2-x_1)²+(y_2-y_1)²)

2. Plug in the coordinates

3. Solve

4. d=61

8 0
3 years ago
Let f(x) = 4x3 + 3x2 − 20x − 15 and g(x) = 4x + 3. Find f of x over g of x.
serg [7]

Answer:

4x^2+15x+15+\frac{35}{x-3}

Step-by-step explanation:

Let f(x) = 4x3 + 3x2 − 20x − 15 and g(x) = 4x + 3. Find f of x over g of x.

\frac{f(x)}{g(x)} \\\frac{4x^3 + 3x^2 - 20x - 15}{4x+3}

4x^2+15x+15+\frac{35}{x-3}

8 0
4 years ago
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