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VladimirAG [237]
2 years ago
6

Y= 2x 2x + y=8 Does anyone know the answer

Mathematics
1 answer:
katrin2010 [14]2 years ago
5 0

Answer:

x is 2, y is 4

Step-by-step explanation:

{ \tt{y = 2x -  -  - (a)}} \\ { \tt{2x + y = 8 -  -  - (b)}}

» Substitute for y in equation (b) with that in equation (a)

{ \tt{2x + 2x = 8}} \\ { \tt{4x = 8}} \\ { \tt{x = 2}}

» Find y

{ \tt{y = 2 \times 2}} \\ { \tt{y = 4}}

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In need help asap-10 points
Dmitry [639]

Answer:

9.8 km

Step-by-step explanation:

7 0
3 years ago
1. Fill in the blanks with the proper vocabulary.<br> |5y - 8 = 7v+22
Virty [35]

Answer:

12x+4x-7y+45b+78a-44b+1a+1z+0d+1.1a+1.1a+2+2+2

7 0
3 years ago
If h(x) = 6 – X, what is the value of the h)[10)?<br> 4<br> 0<br> -2<br> 10<br> 16
Debora [2.8K]

Answer:

h(10) = -4

Step-by-step explanation:

h(x) = 6 – X

Let x= 10

h(10) = 6-10

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5 0
3 years ago
Students at Maple school earned $708 selling candles. They want to accumulate $2000 for a club trio. What percent of their goal
Sholpan [36]

Answer:

<u>The correct answer is 35.4%</u>

Step-by-step explanation:

Let's check the information provided in the question:

Savings goal = US$ 2,000 for the club trip

Earnings for the candles selling = US$ 708

For calculating the accumulated percentage, we can do it this way:

Accumulated percentage = Earnings / Savings goal

Accumulated percentage = 708 / 2,000 * 100

Accumulated percentage = 0.354 * 100

<u>Accumulated percentage = 35.4%</u>

<u>Students at Maple School has accumulated 35.4% of their savings goal with the candles selling.</u>

5 0
3 years ago
Every counting number is a rational number true or false
ra1l [238]
<h3>Answer:  True</h3>

Reason:

The counting numbers, aka the set of natural numbers, is the set {1, 2, 3, 4, 5, ...} which is the set of positive integers

A value like 5 is the same as 5/1, which shows it is rational.

A rational number is any fraction of two whole numbers (eg: 2/3 and 4/7). The denominator cannot be zero.

Since we can rewrite the 5 as 5/1, it can be done with any counting number to show the natural numbers is a subset of the rational numbers.

Any counting number is rational, but not the other way around.

6 0
2 years ago
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