2 years ago

PLEASEEEEEE HELP DUE AT 2:40

Mathematics

1 answer:

tatuchka [14]2 years ago

8 0

That’s all it is not really understanding

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Solve the soultion .explian please<br> x(2x- 5)=0

AysviL [449]

$x(2x-5)=0\iff x=0\ \vee\ 2x-5=0\\\\x=0\ \vee\ 2x=5\\\\x=0\ \vee\ x=\frac{5}{2}\\\\x=0\ \vv\ x=2.5$

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2 years ago

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THIS IS A 3-STEP QUESTION PLEASE ASWER ACCORDINGLY! THANKS !!!

mariarad [96]

A.
Let x = age of Samantha.
Then x - 2 = age of Emily,
and x + 2 = age of Lauren.

b.
x - 2 + x + x + 2 = 42

c.
x - 2 + x + x + 2 = 42

3x = 42

x = 14

x - 2 = 14 - 2 = 12

x + 2 = 14 + 2 = 16

The ages of the sisters are 12, 14, 16.

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2 years ago

Gillian earns $7.50 an hour babysitting on the weekends.Last week she babysat for 2.2 hours on Saturday and 3.5 hours on Sunday.

Musya8 [376]

Total hours= 2.2+3.5=5.7

Total earned = 5.7 x $7.50= $42.75

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3 years ago

Help please

ddd [48]

Answer:

B. When the peak temperature is 40°C, 72 units of electricity are used on average.

Step-by-step explanation:

We see the relationship is closer to linear in the interval 30 to 40

<u>Approximate points:</u>

(30, 34) and (34, 54)

<u>The slope of the line:</u>

m = (54 - 34)/(34- 30) = 20/4 = 5

y - 34 = 5(x - 30)
y = 5x - 116

<u>At x = 40, the value of y would be:</u>

y = 5*40 - 116 = 84

The closet option is B

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2 years ago

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Natalka [10]

<h2>Answer:</h2><h2>47.25</h2><h2 /><h2>Hope this helps!!</h2>

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2 years ago

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