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3 years ago

The dot plots show the number of hours a lightbulb lasts from two different brands.

Mathematics

1 answer:

Talja [164]3 years ago

7 0

Answer:

Step-by-step explanation:

because brand a is obvioulsy higher than brand b and if you look closely to the algorithms your answer should be D

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How to solve for y and simplify

Dmitry_Shevchenko [17]

Answer:

y = $\frac{2}{5}$

Step-by-step explanation:

Given

- 3y = - $\frac{6}{5}$

Multiply both sides by 5 to eliminate the fraction

- 15y = - 6 ( divide both sides by - 15 )

y = $\frac{-6}{-15}$ = $\frac{6}{15}$ = $\frac{2}{5}$

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4 years ago

How do you divide 24,986.73 by 216.06?

REY [17]

249863.73/216.06
=115.6471

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4 years ago

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3. 7.74 + 9.281 =

Varvara68 [4.7K]

Answer:

All answers are in explanation

Step-by-step explanation:

7.74 + 9.281 = 13.055

8.2 x 4.3 = 35.26

32.5 x 6.88 = 223.6

37.4 ÷ 5.5 = 6.8

16.85 ÷ 5 = 3.37

35.75 + 55.50 x 2 = 146.75

I answered those questions which make sense some of your questions doesn't make any sense

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3 years ago

Read 2 more answers

Select the expression that is equivalent to

Ainat [17]

Answer:6

Step-by-step explanation:

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3 years ago

What is the value of c so that -9 and 9 are both solutions of x2+c=103

Debora [2.8K]

Answer:

$c=22$

Step-by-step explanation:

Given equation:

$x^2+c=103$

Solutions: -9 and 9

To solve for $c$

Solution:

The solutions of the equation means $x=-9$ and $x=9$

We will plugin the solutions in the equation and solve for $c$

1) when $x=-9$

$(-9)^2+c=103$

$81+c=103$

Subtracting both sides by 81.

$81+c-81=103-81$

∴ $c=22$

2) when $x=9$

$(9)^2+c=103$

$81+c=103$

Subtracting both sides by 81.

$81+c-81=103-81$

∴ $c=22$

So, for both solutions we get $c=22$

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3 years ago