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padilas [110]
3 years ago
12

PLZ HELP ME ITS 30 POINTS PLZ HELP ME ITS 30 POINTS

Mathematics
2 answers:
pentagon [3]3 years ago
5 0

I cant really see that- could you tell me what that is?

ad-work [718]3 years ago
5 0

Answer:

83

Step-by-step explanation:

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Number 53
Solnce55 [7]
X-intercepts
f(x) = 0

4x² - 15x - 4 = 0

4x² - 16x + x - 4 = 0

4x(x - 4) + 1(x - 4) = 0

(x - 4)(4x + 1) = 0 ⇔ x - 4 = 0 or 4x + 1 = 0

x = 4 or 4x = - 1 ⇒ x = - 1/4

Answer: -1/4 and 4.
8 0
3 years ago
How to write3.repeating 7 as a mixed number
ki77a [65]

Hey there! I'm happy to help!

Let's call our fraction x.

x=3.777......

We want to get rid of the repeating stuff. If we multiply our fraction by 10, we get 10x=37.7777.

We see that if we subtract x from 10x, the repeating numbers will be cancelled out. Let's do this.

10x=37.7777

-

x=3.77777

=

9x=34

We divide both sides by 9.

x=34/9=3 7/9.

Have a wonderful day! :D

6 0
3 years ago
Jerry has a CD case that contains 4
kvv77 [185]

Answer:\frac{1}{15}

Step-by-step explanation:

Given

There are

4 country music CD

1 rock and roll CD

2 rap CD

3 Tejano CD

\text{Probability that Jerry randomly select a Tejano CD and then a rap CD from his case}=\text{Probability of selecting a Tejano CD}\times \text{Probability of selecting a rap CD}

P=\frac{3}{10}\times \frac{2}{9}

P=\frac{2}{30}

P=\frac{1}{15}

4 0
2 years ago
What is ausrdi unscrambled
oee [108]
Ausrdi scrambled is radius
5 0
3 years ago
HI Nyam,
mariarad [96]

Answer:

a job maybe

Step-by-step explanation:

7 0
2 years ago
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