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Elan Coil [88]
3 years ago
13

What is the value of x 3x + 4 when x = -2

Mathematics
2 answers:
lora16 [44]3 years ago
6 0

Answer

-2

Step-by-step explanation:

because you replace x with "-2" so it would be "3(-2) + 4" then solve that

Yuliya22 [10]3 years ago
4 0

Answer:

x = -2

Step-by-step explanation:

1. Evaluate the function when x=-2.

This means to plug in -2 anywhere you see x in the equation.

3(-2)+4

2. Simplify and solve.

-6+4

x = -2

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If 6 burgers cost $7.74, how many can you buy for $19.35? Pls show work and explain how you did it :)
dimulka [17.4K]

Answer: 15 burgers

Step-by-step explanation:

7.74/6=$1.29 per burger

$19.35* 1 burger/$1.29=

19.35*1/1.29=

19.35/1.29=15 burgers

6 0
1 year ago
Read 2 more answers
The measure of angle xx is 25 more than 4 times the measure of its complement. Find the measure of xx.
marishachu [46]
The complement is what adds to an angle to get 90 degrees

so

x is 25 mroe than 4 times y
x+y=90

x=25+4y
sub 25+4y for x

25+4y+y=90
25+5y=90
minus 25 both sides
5y=65
divide both sides by 5
y=13

sub back
x+y=80
x+13=90
x=77 degrees
6 0
3 years ago
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My last function question. Please break this down for me. Brainliest answer will be given
cupoosta [38]
Remember these two combinations: logab=loga+logb, log(a/b)=loga-logb
3logx=logx^3
(1/2)log(x+2)=log(x+2)^(1/2)
2log(z-4)=log(z-4)^2
so the given expression can be combined into log{[(x^3)(z-4)^2]/(x+2)^(1/2)}
7 0
3 years ago
Express in the form of P/Q i) 0.675 (ii) 0.32​
quester [9]

Express in the form of P/Q

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(ii) 0.32

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5 0
3 years ago
Sally brought a 1 quart container of buttermilk to make pancakes. Her recipe says to use 1/2cups Of butter milk for 3 pancakes.
GrogVix [38]

Answer:

24

Step-by-step explanation:

Quart is a volume unit, equal to a quarter of a gallon. The symbol is "qt"

A quart container is equivalent to 4 cups.

a pancake need only 1/2 cup of butter milk.

We use a rule of three.

if 1/2 cup can make 3 pancakes.

How many pancakes 4 cups can make?

\frac{4*3}{\frac{1}{2} }=24

We only have to multiply the 4 cups of butter milk by the 3 pancakes and the divide it by the 1/2 cup you need to make only 3 pancakes.  

3 0
3 years ago
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