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LiRa [457]
2 years ago
5

Write a mathematical expression for the word expression. Seven times a number plus one

Mathematics
2 answers:
abruzzese [7]2 years ago
7 0

Answer:

7x +1

Step-by-step explanation:

Troyanec [42]2 years ago
6 0
7x+1 (x is the variable representing the number)
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Does this represent quntitites that are proportional
Yuki888 [10]

Answer:

B

Step-by-step explanation:

Not all of the pairs represent the same ratio

6 0
1 year ago
Which of the ratios below is equivalent to 4:3? Select all that apply.
ruslelena [56]

Answer:

A, B, and D good luck

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
|x| + 4 > 7 plz help and hurry
Talja [164]

Answer:

The solution is (-\infty,-3)\cup(3,\infty).

Step-by-step explanation:

Given:

The inequality given is:

|x|+4>7

In order to simplify for 'x', we first isolate 'x' on one side.

Adding -4 on both sides, we get:

|x|+4-4>7-4\\\\|x|>3

Now, |x| is an absolute value function which is defined as:

|x|=\left \{ {{-x}\ \ x

Therefore, the given inequality can be rewritten as:

-x > 3\\x and x > 3

Therefore, the solution is (-\infty,-3)\cup(3,\infty).

4 0
2 years ago
5. In one year, there were 125 major new automobile types available. If you look at the miles per gallon (MPG) for these vehicle
ziro4ka [17]

Answer:

The answer is "99.82% and 86.99%".

Step-by-step explanation:

In point a:

=P(X < 45)\\\\= P(Z < \frac{45-29.09}{5.46}) \\\\=P(Z < 2.9139)\\\\=0.9982\\\\=99.82\%

In point b:

=P(X >17)\\\\= P(Z > \frac{17-22.37}{4.77}) \\\\=P(Z > -1.1258)\\\\=0.8699\\\\=86.99\% \\\\

5 0
2 years ago
The length of a rectangle is twice its width.<br> The perimeter of the rectangle is 126 feet.
seraphim [82]

Answer: Length = 42ft Width = 21ft

Step-by-step explanation:

Let "w" be width

W = 21ft

w x 2 = L

L = 42ft

Perimeter:

42+42+21+21

=126

8 0
2 years ago
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