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levacccp [35]
4 years ago
10

Find the value of -7 + (-9) + 11 + 8.

Mathematics
1 answer:
Triss [41]4 years ago
8 0
Good day ^-^ ///////////////

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Simplify by combining like terms. <br> 12+5t−4+15t+1
quester [9]

Answer:

9+20t

Step-by-step explanation:

Look at the terms and see which has t and which is a number when you see like terms, add them or subtract them together to get like terms.

5 0
3 years ago
X and Y are continuous values, both measured to 2 significant figures. X=230 and Y=400. work out the greatest possible value of
kirill115 [55]
"Two significant figures" means that a digit after the second one could actually be anything ... it wasn't measured. 'X' could be anything from 230 to 239. 'Y' could be anything from 400 to 409. The greatest possible value of that fraction is. (239)/(409 squared) .
8 0
4 years ago
Sam has 79 model cars. He wants to give them to 4 of his friends. He wants each friend to have an equal number of cars. How many
Marat540 [252]

Answer:

So if he has 24 friends and each one got 4 then he would have 1 cars left for himself.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Write the equation of the line in point-slope form that has slope 3 and passes through (2, -5)
Fynjy0 [20]

Answer:

y = 3x - 11      

Step-by-step explanation:

Step 1:

y = mx + b          Slope Intercept Form

Step 2:

y = 3x + b        Input Slope

Step 3:

- 5 = 3 ( 2 ) + b        Input x and y values

Step 4:

- 5 = 6 + b          Multiply

Step 5:

- 11 = b        Subtract 6 on both sides

Answer:

y = 3x - 11      

Hope This Helps :)

5 0
3 years ago
Write 3 &lt; x &lt; 9 in interval notation.
lutik1710 [3]

Answer:

(3, 9)

Step-by-step explanation:

If we have ≤ or ≥, we use brackets to signify it includes the values.

If we have < or >, we use parenthesis to signify it doesn't include the values.

8 0
3 years ago
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