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Harlamova29_29 [7]
3 years ago
14

Help meeeeeee bruhfffff

Mathematics
2 answers:
Rzqust [24]3 years ago
8 0

Answer:

time to cry

Step-by-step explanation:

Serjik [45]3 years ago
4 0

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>y = 15, -15</em>

▹ Step-by-Step Explanation

This is considered a 'square root' since we have to find y^2.

15 * 15 = 225

-15 * -15 = 225

Both of these values work for y, so the answer is 15, -15.

Hope this helps!

CloutAnswers ❁

━━━━━━━☆☆━━━━━━━

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What is the expression in factored form?<br><br> -20x^2 - 12x
artcher [175]

Answer:

-4x(5x-3)

Step-by-step explanation:

-20x^2 - 12x

-20x^2 = -4*5*x*x = -2*2*5*x*x

-12x = -4*3*x = -2*2*3*x

The common terms are -2*2*x = -4x.  Whats left goes inside the parentheses

-4x(5x-3)

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What is the 7-intercept of 2x-4y=12
Bingel [31]

Answer:

-3

Step-by-step explanation:

2x - 4y = 12

4y = 2x - 12

y = ½x - 3

Y intercept is -3

X intercept is 6

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— 12 – 6р – (-2)<br> help pls
baherus [9]

Answer: -6P - 10

Step-by-step explanation:

STEP 1.   -12 - 6P + 2

STEP 2.   -6P + ( -12 + 2 )

STEP 3.   -6P - 10

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How much would 180 pens cost if bought in boxes of 12, each box costing $5.80?
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7 0
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The Law and Order detectives enter a house at 11:30 am and found a man on the floor murdered. They take his body temperature fin
taurus [48]

Answer:

Time of murder = 10:39 am

Step-by-step explanation:

Let the equation of exponential function representing the final temperature of the body after time 't' is,

f(t) = a(e)^{nt}

Here, a = Initial temperature

n = Constant for the change in temperature

t = Duration

At 11:30 am temperature of the body was 91.8°F.

91.8 = 98.6(e)^{nt} --------(1)

Time to reach the body to the morgue = 12:30 pm

Duration to reach = 12:30 p.m. - 11:30 a.m.

                              = 1 hour

Therefore, equation will be,

84.4 = 91.8(e)^{n\times 1}

eⁿ = \frac{84.4}{91.8}

ln(eⁿ) = ln(0.9194)

n = -0.08403

From equation (1),

91.8 = 98.6(e)^{-0.08403t}

(e)^{0.08403t}=\frac{98.6}{91.8}

ln[(e)^{0.08403t}]=ln[\frac{98.6}{91.8}]

0.08403t = 0.07146

t = 0.85 hours

t ≈ 51 minutes

Therefore, murder was done 51 minutes before the detectives arrival.

Time of murder = 11:30 - 00:51

                          = 10:90 - 00:51

                          = 10:39 am

7 0
2 years ago
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