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Dmitriy789 [7]
2 years ago
15

10 is a solution to 3x + 1 = 10 because

Mathematics
2 answers:
Morgarella [4.7K]2 years ago
7 0
10 is a solution to 3x + 1 = 10 because x equals 3
melomori [17]2 years ago
3 0

Answer:

When x=3, 10 is a solution.

Step-by-step explanation:

3x+1=10

minus 1 on both sides

3x=9

x=3

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Anna said that the product of 7/8 · 1 1/2 = 7/2<br><br>How can you tell that her answer is wrond?
Mazyrski [523]

Here is your answer:


1 1/2 = 3/2


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8 × 2 = 16

Divided to equal 1\frac{5}{16} <--- Real answer:



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Hope this helps!

5 0
3 years ago
2.) What is the value of V78 to the nearest tenth?
DENIUS [597]

Answer:

80.

Step-by-step explanation:

When multiplying if the tenth place is " 7" then we look " next door" which is the ones and 8 is great then 5 so we count to from 8 to see when the next number ending in 0 would be in this case its 80. ( if the number is 4 or less count backwards to a number ending with 0  which in that case would have been 70 ) but the answer is 80.

4 0
3 years ago
15. PLEASE HELP ME
Nana76 [90]
  • Surface Area=7238in^2

We know

\boxed{\sf Surface\:area=4\pi r^2}

\\ \sf\longmapsto 4\pi r^2=7238

\\ \sf\longmapsto 4\times \dfrac{22}{7}r^2=7238

\\ \sf\longmapsto r^2=\dfrac{7238\times 7}{88}

\\ \sf\longmapsto r^2=\dfrac{5066}{88}

\\ \sf\longmapsto r^2=575.75

\\ \sf\longmapsto r^2\approx576

\\ \sf\longmapsto r\approx\sqrt{576}

\\ \sf\longmapsto r\approx24in

<h3>Option b is coreect</h3>
4 0
3 years ago
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