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Elena L [17]
3 years ago
12

Solve the following system of equations:

Mathematics
2 answers:
Irina-Kira [14]3 years ago
8 0

Answer:

The correct answer is D (1,3)

Step-by-step explanation:

Nadusha1986 [10]3 years ago
6 0
I hope this helps you

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Expanded form of 164.38
Sauron [17]

164.38 = (1 x 100) + (6 x 10) + (4 x 1) + (3/10) + (8/100)

7 0
3 years ago
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PLEASE ANSWER CORRECTLY:
KATRIN_1 [288]

Answer:

%45

Step-by-step explanation:

=  

22 - 40

40

=  

-18

40

=-45%

= 45% error

3 0
3 years ago
What is the equation of the line that has a slope of 3 and goes through the point (-3,-5)
Bogdan [553]

Answer:

A.

Step-by-step explanation:

If its positive then the equation will be also

6 0
3 years ago
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If it's $8 for four bottles how much is each bottle?
cluponka [151]
Hi there! $8 per 4 bottles means price/# of bottles will give you the average price per bottle.

8/4=$2

Therefore it is $2 for 1 bottle.

Hope this helps!
5 0
3 years ago
Read 2 more answers
Phyllis invested 50000 dollars, a portion earning a simple interest rate of 5 percent per year and the rest earning a rate of 7
Elodia [21]

Answer:

The amount invested at 5% was $39,000 and the amount invested at 7% was $11,000

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

Let

x-----> the amount invested at 5%

50,000-x -----> the amount invested at 7%

so

t=1\ year\\ I=\$2,720\\r_1=0.05\\r_2=0.07\\P_1=\$x\\P_2=\$(50,000-x)

substitute in the formula above

2,720=x(0.05*1)+(50,000-x)(0.07*1)

solve for x

2,720=0.05x+3,500-0.07x

0.07x-0.05x=3,500-2,720\\0.02x=780\\x=\$39,000

(50,000-x)=\$11,000

therefore

The amount invested at 5% was $39,000 and the amount invested at 7% was $11,000

5 0
3 years ago
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