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goldenfox [79]
3 years ago
6

I need help asap :)/):)/

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
8 0

Answer:

D. a(b+c) = ab+ac

Step-by-step explanation:

When you distribute you multiply the number before the parenthesis by both of the numbers inside the parenthesis

Lapatulllka [165]3 years ago
6 0

Answer:

D.) a(b+c)=ab+ac

Step-by-step explanation:

With the distributive property, you need to evenly distribute the value before the parentheses (a) by the values inside the parentheses (b+c), so it would look like this:

a(b+c)\\a*(b)+a*(c)\\ab+ac

With real values if a=2 and b=3b and c=4c

2(3b+4c)\\2*(3b)+2*(4c)\\6b+8c

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Julio's father is 4 times as old as Julio. The sum of their ages is no less than 55.
Dominik [7]
Julio = j, father = f
f = 4j, j+f = 55, j + 4j = 55, 5j = 55, j = 11
So youngest Julio can be is 11 years old.
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3 years ago
Identify the correct vertex form of the following quadratic equation:<br> f(x) = -6x2 - 12x - 13
Lapatulllka [165]
Y=-6(x+1)^2-7

This Is The Correct Answer :), Hope This Helps!
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If someone dives 300 feet in 2 minutes and another person dives 6750 ft in 45 minutes let X represent the time of dive and y rep
Cerrena [4.2K]
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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
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