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Tanzania [10]
4 years ago
11

GIVING BRAINLIEST!!!!!!!!!!I NEED HELP

Mathematics
2 answers:
lapo4ka [179]4 years ago
8 0
Answer: (-20,-4)

First, you substitute y into the first equation to get 0.01x - 0.3(0.1x - 2) = 1

You then distribute the 0.3 to what is inside the parentheses to get 0.01x-0.03x+0.6=1
(Note: the 0.6 is positive because two negatives multiplied equal a positive)

Now you combine like terms to get -0.02x+0.6=1

Subtract 0.6 from both sides of the equal sign to get -0.02x=0.4

Divide each side by -0.02 to get x=-20

Now plug in -20 to y=0.1x-2 to get y=-4

This gives you the answer (-20,-4)
uranmaximum [27]4 years ago
6 0

Answer:

1st one

Step-by-step explanation:

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Find the lengjth of the missing figure.<br>x=__cm​
miv72 [106K]

Answer:

X = 16 cm

Step-by-step explanation:

Pythagoras law is :

20^2 = X^2 + 12^2

400 = X^2 +144

400 - 144 = x^2

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x = ( 256 ) ^1/2

X=16

3 0
3 years ago
URGENT I NEED ANSWER WITH WORK
sergeinik [125]
Answer: 250 students.
Step-by-step explanation:
Let x students in 6th grade either purchased their lunch or brought their lunch from home on Monday.
According to the question,
24% of the students purchased their lunch.
⇒ (100-24)% of the student brought their lunch from home.
⇒ 76 % of the student brought their lunch from home.
But, Again according to the question,
190 students brought their lunch from home.
⇒ 76 % of x = 190

⇒ x = 250
Therefore, there are total 25 students in the 6th grade.
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3 years ago
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Elden [556K]
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8 0
4 years ago
Read 2 more answers
A pitcher contains 3.85 L of milk. Anna adds 0.475 Lof
Serhud [2]

Answer:

Volume = 4.325 L

Step-by-step explanation:

Given

Initial = 3.85L

Additional= 0.475L

Required

Determine the volume of the chocolate milk

Since, the mixture produces a chocolate milk, then the volume is the addition of milk in the pitcher and the chocolate syrup.

i.e.

Volume = Initial + Additional

Volume = 3.85L + 0.475L

Volume = 4.325 L

<em>Hence, there are 4.325 liters of chocolate milk in the pitcher</em>

8 0
3 years ago
What is the simplified expression for Negative 2 a squared b + a squared minus 5 a b + 3 a b squared minus b squared + 2 (a squa
AlekseyPX

Answer:

Its a

Step-by-step explanation:

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4 years ago
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