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3 years ago

3/4 + 7/12 - (-4) PLZZZZZZZ help solve the problem

2 answers:

7 0

3/4+7/12−(−4)
4/3−(−4)
Answer:
16/3

I hope this helps!

schepotkina [342]3 years ago

4 0

Well 3/4 + 7/12 is 1/16 and that minus -4 is 4 1/16, and you can just round that to 4.

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Would you classify the number 169 as a perfect square , perfect cube , both , or neither ? explain ?

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3 years ago

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Graph 24x+25=−6y+7 .

MrRa [10]

Okay, So you have 24x+25=6y+7

Step 1: Pull out like factors : 24x + 18 + 6y = 6 • (4x + y + 3)

Step 2: 4x+y+3 = 0

y-intercept = -3/1 = -3.00000

x-intercept = -3/4 = -0.75000

Slope = -8.000/2.000 = -4.000

And bam, you have a straight line

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4 years ago

What is 4/p = 11/2 plz help :)

makkiz [27]

Cross multiply
4/p=11/2
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hope this helps!

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3 years ago

What is the width of a rectangle with length 14 cm and area 161 cm squared?

gladu [14]

area = l x w

161 = 14 x w

w=161/14

w= 11.5

width = 11.5 cm

8 0

4 years ago

Read 2 more answers

Forensic specialists can estimate the height of a deceased person from the lengths of the person's bones. These lengths are subs

Lera25 [3.4K]

Answer:

$130.2845\leq h\leq 137.7245$

Step-by-step explanation:

Given an inequality that relates the height h, in centimeters, of an adult female and the length f, in centimeters, of her femur by the equation

$|h - (2.47f + 54.10)| \leq 3.72$

If an adult female measures her femur as 32.25 centimeters, we can determine the possible range of her height by plugging f = 32.25cm into the modelled equation as shown:

$|h - (2.47(32.25) + 54.10)| \leq 3.72\\|h - (79.9045 + 54.10)| \leq 3.72\\|h - (134.0045)| \leq 3.72\\$

If the modulus function is positive then:

$h - 134.0045 \leq 3.72\\h \leq 3.71+134.0045\\h\leq 137.7245$

If the modulus function is negative then:

$-(h - 134.0045) \leq 3.72\\-h+134.0045 \leq 3.72\\-h\leq 3.72-134.0045\\-h\leq -130.2845\\$

multiply through by -1

$-(-h)\geq -(-130.2845)\\h\geq 130.2845\\130.2845\leq h$

combining the resulting inequalities, the estimate of the possible range of heights will be $130.2845\leq h\leq 137.7245$

8 0

3 years ago