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e-lub [12.9K]
3 years ago
6

Solve for x (brainly says to write more so this is spaaaaaaam)

Mathematics
2 answers:
DedPeter [7]3 years ago
7 0
Answer: x=3

-13 from both sides
4x=12
divide by 4
borishaifa [10]3 years ago
5 0
Answer: X=3

Because if you subtract 13 on that side you’ll be left with 4X equals 12 then you divide on both sides and that will x equal three
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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
Select the correct choice below and fill in any answer boxes in your choice
soldier1979 [14.2K]

So we need to solve:

\frac{13}{y}+\frac{5}{y}=3

First is important to note that both terms on the left side of the equation have a common factor because they are both divided by y. Then:

\begin{gathered} \frac{13}{y}+\frac{5}{y}=\frac{1}{y}(13+5)=3 \\ \frac{13+5}{y}=\frac{18}{y}=3 \end{gathered}

Then:

\begin{gathered} \frac{18}{y}=3 \\ 18=3y \\ \frac{18}{3}=y \\ y=\frac{18}{3}=6 \end{gathered}

So the solution is y=6. Then option A is correct and you need to write the 6 between the symbols { }.

4 0
2 years ago
A bag cost 4 times as much as a dress if the bag cost $276 how much will Toni speed on the bag and 3 such dresses
Sedbober [7]
She Will spend $483 on a bag and 3 dresses.

divide 276 by 4 which equals 69 and give you the price per dress. now multiply that by 3 and add the bag amount for your answer.
8 0
4 years ago
On the 405 freeway one can travel 65 miles per hour (mph), how many kilometers per hour (kph) is the car travelling
OverLord2011 [107]

Answer:

104.607kph

Step-by-step explanation:

Conversion from mph to kph = 1.609mph

3 0
2 years ago
Hep I’m bout to fail if I don’t get this right will give brainless if correct
nalin [4]

Answer:

x = 4

ac = 56

Step-by-step explanation:

6x + 3 = 7x - 1

7x - 6x = 3+ 1

6x + 3  + 7x + 1 = 56

x = 4

3 0
3 years ago
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