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olganol [36]
3 years ago
13

twenty two percent of the large pieces of mail that Rachel received this week were magazines and the rest were catalogs. Of the

catalogs, 36 percent were for clothing. To the nearest whole percent, what is the probability that a randomly chosen large piece of Rachels mail was a clothing catalog?
Mathematics
2 answers:
Lisa [10]3 years ago
5 0

Answer:

B. 28%

Step-by-step explanation:

Right on edge.

Monica [59]3 years ago
4 0

Answer:

28%

Step-by-step explanation:

78 x .36 = 28.08

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X – 3 = 8 <br> pls give step by step explanation.
inn [45]

Answer:

x = 11

Step-by-step explanation:

x - 3 = 8  add 3 to both sides

x + 3  -3 = 8 + 3 the 3s cancel each other out, 8 + 3 = 11

x = 11

7 0
3 years ago
Solve for x: (x+a)(x-b) = x^2 -1 <br><br> How do I solve this ?
Sveta_85 [38]

You must factor.

x^2-1=(x+1)(x-1)

The factored form is equal to the assigned form.

(x+1)(x-1)=(x+a)(x-b)

Values a, b correspond to the factored 1, -1.

Value of x however remains unknown. But we can change that.

Given factored result,

(x+1)(x-1)

We can set expression equal to 0 then find such x that when added with number a or b results with 0.

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

Hence x has 2 solutions.

x+1=0\Rightarrow\boxed{x_1=-1} \\x-1=0\Rightarrow\boxed{x_2=1}

Hope this helps.

6 0
3 years ago
Read 2 more answers
Please help me with this ratio. ​
Charra [1.4K]

Answer:

\frac{inches}{minute}

Change the feet to minutes by multiplying by 12, and change the hour to minutes.

Speedy: \frac{240}{60}

Slowpoke: \frac{80}{30}

Cleo: \frac{96}{10}

Speedy is the fastest.

\frac{feet}{hour}

  • Speedy: \frac{20}{1}
  • Slowpoke: \frac{\frac{6.666666667}{.5}}{30}
  • Cleo: \frac{8}{\frac{1}{6}}

Change minutes to feet by dividing and change the minutes to hours by multiplying.

<em>Hope this helps and have a great day!!!</em>

<em>Sofia</em>

8 0
4 years ago
Please answer my question as fast as possible.
vovikov84 [41]

Answer:

Sets of 10

Step-by-step explanation:

5 0
4 years ago
Write a linear equation in standard form for the line that goes through (4,3)<br> and (8,2).
notsponge [240]

Answer:

Ax + By = C

A, B and C can be any number--including negative numbers, zero and one! So examples of standard form can look like this:

3_x_ + 7_y_ = 10, where A = 3, B = 7 and C = 10.

Or they can look like this:

x + 5_y_ = 6. In this case, A = 1, B = 5 and C = 6.

Or this:

8_y_ = 9. In this case, A = 0, which is why x does not appear in the equation. B = 8 and C = 9, as you would expect.

And here's one more:

3_x_ − 5_y_ = 12. Here, A = 3, B = −5 and C = 12. Notice that in this case, B is negative five!

The standard form of a linear equation is Ax + By = C, where A, B and C can be any number.

3 0
4 years ago
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