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Zigmanuir [339]
3 years ago
10

Solve the equation. ​

Mathematics
1 answer:
Verdich [7]3 years ago
6 0
Multiple all by 7
2x +6=-2
2x = -2-6
2x = -8 /2
x = -4
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A school purchsed basketball for $20 each and footballs for $15 each. they a brought a total of 28 for $480 how many of each typ
satela [25.4K]

Answer:

i in total spent : 480

Step-by-step explanation:

he bought 12 basketballs = 240

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you can decide how to make your system

4 0
4 years ago
Using two normal dice, what is the probability of rolling numbers that add up to 3?
Blizzard [7]
That would be rolling a 1 and a 2 .

so possibilities are 1 on first die and 2 on the second die

OR 2 on first die and 1 on the second.

Both of these have a probability of 1/6 * 1/6 = 1/36

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4 0
4 years ago
Please help me out and explain it to me​
a_sh-v [17]

Answer: C

Step-by-step explanation:

You can solve this by first multiplying both sides of the fraction by the conjugate of the denominator.

In this case, the conjugate is (8 - 2i).

So:

\frac{3-5i}{8+2i} *\frac{8-2i}{8-2i}

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\frac{24-46i+10i^2}{64 - 4i^2}

Simplify again, knowing that i^2 = -1

\frac{14 -46i}{68}

Then, divide both numbers in the numerator by 68 to get your answer.

\frac{7}{34} -\frac{23i}{34}

8 0
4 years ago
Find the perimeter and area of the figure.
iogann1982 [59]

Answer:

perimeter of the figure =32 units

area of the figure=56 units²

8 0
3 years ago
Justin has $110 to spend at the mall. He wants to buy a hat that costs $25 and a pair of jeans that cost $40. He is also thinkin
LuckyWell [14K]

Answer:

110>=-12x-65

Step-by-step explanation:

5 0
3 years ago
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