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kap26 [50]
3 years ago
13

Help me pleaseeeee????????????????

Mathematics
1 answer:
Charra [1.4K]3 years ago
7 0

Answer:

this is not even possible one you should try x's or try place value and always write it down before answering

trust me

Step-by-step explanation:

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A 7th grader student chooses a random sample of 50 out of 400 students. He finds that 7 students have traveled outside the Unite
malfutka [58]
If we assume the student’s sample is representative of the whole population, then yes, the student can be considered accurate.

7 / 50 = 0.14
400 * 0.14 = 56

About 56 of the 400 students can be estimated to have traveled outside the US.
3 0
3 years ago
A large airplane has 3 sections of seating, with 75 seats in each section. Which pair of expressions shows two ways to determine
valentina_108 [34]

Answer:

You can either multiply 3 by 75 or do 75+75+75

thats pretty much it

Step-by-step explanation:

7 0
3 years ago
Solve for x:
elixir [45]
I’m going to say multiply both sides by a which gives you:

a^2-ab-a=2

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4 0
3 years ago
7 pounds of rice is 4$ how much is one pound of rice?​
blagie [28]

Answer:

$0.57

Step-by-step explanation:

7 pound = 4 $

1 pound =4/7 $

=0.57$

4 0
1 year ago
Read 2 more answers
Consider the polynomial equation x(x - 3)(x + 6) (x-7) -0. Which of the following are zoros of the
Black_prince [1.1K]

Answer:

The zeros are : 0, 3, -6, 7.

Step-by-step explanation:

Zeros of a polynomial is the values at which the polynomial becomes zero. They are also called the roots of the polynomial.

When (x - a)(x - b) = 0, we can say that either (x - a) = 0 or (x - b) = 0. At least one zero renders the whole equation to be zero.

Now, we are given that: x. (x - 3). (x + 6). (x - 7) = 0

⇒ To make the equation zero, at least one of the following should be true:

x = 0

x - 3 = 0  ⇒ x = 3

x + 6 = 0 ⇒ x = -6

x - 7 = 0 ⇒  x = 7

Therefore, x can take any one of the above values and that would make the polynomial zero.

4 0
3 years ago
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