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4 years ago

13

The cost of three pounds of grapes is $6.57 what is the constant proportionality that relates the cost in dollars to the number

of pounds of grapes

2 answers:

Kruka [31]4 years ago

8 0

2.19 is the answer :)) hope it helps

NemiM [27]4 years ago

7 0

$6.57/3 = $2.19 That is the answer.

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A total of 5000 is invested part at 10% and the remainder at 15%. How much is invested at Each rate if the annual interest is $6

vekshin1

Answer:Let the amount invested in each be

A and B

A+B=5000

0.1A+0.15B=630

0.1(5000-B)+0.15B=630

500-0.1B+0.15B=630

0.05B=130

B=2600

A=2400

Step-by-step explanation:

3 0

3 years ago

(sinx-1)(sinx+cos^2x) multiply and simplify

sveta [45]

$\bf [sin(x)-1][sin(x)+cos^2(x)]\\\\
-------------------------------\\\\
sin^2(x)+sin(x)cos^2(x)-sin(x)-cos^2(x)
\\\\\\\
[sin^2(x)-cos^2(x)]+[sin(x)cos^2(x)-sin(x)]
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-[cos^2(x)-sin^2(x)]-[sin(x)-sin(x)cos^2(x)]
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7 0

3 years ago

(Area of Composite Figures)Help me pls.

oksian1 [2.3K]

Answer:

69 centimeters squared

Step-by-step explanation:

First, find the area of the big square = 11cm * 4cm = 44cm

Next, find the area of the leftover square = 5cm * 5cm =25cm

Add them together to get 69 centimeters squared

Hopefully this helps - let me know if you have any questions!

6 0

3 years ago

Read 2 more answers

User: Translate the following words to algebra symbols, using "n" as the variable. Seven is two less than twice a number.

muminat

7 = 2n - 2

n= a number so twice a number is 2n and 7 is 2 less than twice this number.

7 0

3 years ago

Log*subscript*(3x − 2) 4096 = 3<br><br> I got x= negative 6 is this correct??

Brut [27]

Remember

$log_a(b)=c$ translates to $a^c=b$
and
$log_a(b^c)=clog_a(b)$
so

4096=16^3
$log_{3x-2}(4096)=3$
$log_{3x-2}(16^3)=3$
$3log_{3x-2}(16)=3$
divide both sides by 3
$log_{3x-2}(16)=1$
translate
$(3x-2)^1=16$
3x-2=16
add 2 to both sides
3x=18
divide both sides by 3
x=6

8 0

4 years ago