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Xelga [282]
3 years ago
5

Which ones do I select

Mathematics
2 answers:
Natalka [10]3 years ago
6 0

Answer:

8(x) = 56 (x = 7)  (x) + 5 3/4 = 8 3/4 (x = 3) x/2 = 3.5 (x = 7) Neither x - 2.56 = 0.44 (x = 3)

Step-by-step explanation:

pav-90 [236]3 years ago
5 0
1 =7
2=3
3=7
4= neither
5=3
Give me brainliest :)
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Help!!!!!!!!!!!! &gt;&gt;&gt;&gt;&gt;Which number set contains all rational<br> numbers?
stellarik [79]

The only set that only has rational numbers is the first one:

{1/3, -3.45, √9}

<h3>Which of the given sets contains only rational numbers?</h3>

A rational number is a number that can be written as the quotient of two integers.

If we look at the first set, the elements are:

  • 1/3 which is a rational number.
  • -3.45 = -345/100 which is a rational number
  • √9 = 3 = 3/1 which is a rational number.

In the other sets we can see elements like:

√37, √44, or √2 which are all irrational numbers, then the only correct option is the first one.

If you want to learn more about rational numbers:

brainly.com/question/12088221

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6 0
2 years ago
What are the x-intercepts of y=2x^2+6x-20?
NISA [10]

Answer:

the x-intercepts are -5 and 2

Step-by-step explanation:

y=2x^2+6x-20

x-intercept is when y is set equal to zero

So, y = 0

0 = 2x^2+6x-20

2x^3+6x-20 = 0\\Taking \ 2 \ common\\2(x^2+3x-10) = 0\\Dividing \ both \ sides \ by \ 2\\x^2+3x-10 = 0\\Using \ mid\ term \ break \ formula\\x^2+5x-2x-10 = 0\\x(x+5)-2(x+5)=0\\Taking \ (x+5) \ common\\(x+5)(x-2) = 0

Either,

x+5 = 0    <u><em> OR </em></u>    x-2 = 0

x = -5       <u><em> OR  </em></u>     x = 2

So, the x-intercepts are -5 and 2

7 0
3 years ago
Read 2 more answers
3.5/5.0 =_____/15.0<br> How to solve this ?
mote1985 [20]

Step-by-step explanation:

divide 3.5 by 5.0 (3.5 ÷ 5.0 = 0.7), then multiply 0.7 by 15.0 (0.7 × 15.0 = 10.5), and check by dividing (10.5 ÷ 15.0 = 7.0) the answer is 10.5

6 0
2 years ago
If y=1/2*x+3, which ordered pair is one of the solutions for the equation and the coordinates for one of the points on
AleksAgata [21]

Step-by-step explanation:

D (-2,2)

:) good day

good day

6 0
3 years ago
Kaylee decided to donate 30% of her savings if she has $238 in her savings account about how much will she Donate
skelet666 [1.2K]

Answer:

$71.40

Step-by-step explanation:

Turn the percentage 30 to a decimal, which is 0.3 then multiply it by 238 to get 71.4

5 0
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