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Mariana [72]
3 years ago
11

Percents and poprtions ​

Mathematics
1 answer:
iren2701 [21]3 years ago
4 0
It's C I'm pretty sure
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Hey I need help !!!
sweet-ann [11.9K]

Answer:

(2, -3)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Joe drinks 10 liters of water every week. There are approximately 19 liters in 5 gallons. How many gallons of water would Joe dr
svetlana [45]

Answer:

8gallons

Step-by-step explanation:

If Joe drinks 10 liters of water every week, then;

10liters = 1 week

After 3weeks;

x litres =3 weeks

Divide both expressions

10/x = 1/3

x = 3*10

x = 30litres

This means he consumes 30litres in 3 weeks

If there are approximately 19 liters in 5 gallons, the;

19litres = 5gallons

To determine the number of gallons consumed in 3 weeks;

30litres = y

Divide both expressions

19/30 = 5/y

Cross multiply

19 * y = 30*5

19y = 150

y = 150/19

y = 7.89

y ≈ 8 (to nearest whole number)

Hence Joe drinks 8gallons of water in 3weeks

7 0
3 years ago
A number "n" is at least 4
KIM [24]
At least means that at the lowest or smallest amount, it is that number, which is 4. So, the equation for this would be n≥4
3 0
3 years ago
Which expressions are polynomials?
statuscvo [17]

Answer:

They all are polynomials.

Step-by-step explanation:

Given : Following expression

1)  x^2+5x^{15}

2)  -x^2+5x

3) 6x^2+5x

4) -7x^2+53x

The following all are polynomials because polynomials are:

An expression consisting of variables and coefficients or expression more than two algebraic terms and the terms that contain different powers of the same variable(s) involve operations addition , subtraction, multiplication and non-negative integer exponent of variables.

So when we see to these functions they all are a mixture of a polynomial.

7 0
4 years ago
Read 2 more answers
Identify a pair of parallel segments in the diagram.<br> please help me asap!!!!!!
Marta_Voda [28]

Answer:

segment CD and GH are parallel

Step-by-step explanation:

8 0
3 years ago
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