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Anna007 [38]
3 years ago
11

Ten athletes ran two races of the same length.

Mathematics
1 answer:
Anton [14]3 years ago
5 0
What’s the question is there supposed to be a picture because their isn’t
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Help please 10 minutes!!!!!!!!!
WITCHER [35]

Substitute y = 2x - 15 to the second equation:

4x + 3(2x - 15) = -5      use distributive property

4x + (3)(2x) + (3)(-15) = -5

4x + 6x - 45 = -5       add 45 to both sides

10x = 40      divide both sides by 10

x = 4

Substitute the value of x to the equation y = 2x - 15:

y = 2(4) - 15 = 8 - 15 = -7

<h3>Answer: (4, -7)</h3>
8 0
4 years ago
How to solve 6x+3=5x+10
laila [671]
6x+3=5x+10 \\\\ 6x-5x=10-3 \\\\ \boxed{x=7}
7 0
3 years ago
Read 2 more answers
19 times 15 with estimating
VladimirAG [237]
284....................
3 0
3 years ago
Complete the table.<br> f(y) = 4y2 - 4v<br> f(v<br> -4<br> -3<br> -2<br> -1
Nastasia [14]

Answer:

f(y) = 4y2 - 4v

f(y) = 4y² - 4(-4) = 4y² + 16

f(y) = 4y² - 4(-3) = 4y² + 12

f(y) = 4y² - 4(-2) =4y² + 8

f(y) = 4y² - 4(-1) = 4y² + 4

Step-by-step explanation:

6 0
3 years ago
SGA is doing a fundraiser to sell candles for project graduation. Small candles cost $4.00 and large candles cost $6.00. They ha
mafiozo [28]

Given:

Cost of small candles = $4.00

Cost of large candles = $6.00

They have at most 50 candles, and want to make at least $100.

To find:

The system of linear inequalities represents the situation.

Solution:

Let x be the number of small candles and y be the number of large candles.

At most 50 candles means total candles must be less than or equal to 50.

x+y\leq 50

Want to make at least $100. It means, the total sales must be greater than or equal to $100.

4x+6y\geq 100

Therefore, the inequalities in the system of linear inequalities are x+y\leq 50 and 4x+6y\geq 100.

3 0
3 years ago
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