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evablogger [386]
3 years ago
13

Which algebraic expression models the word phrase three fewer than the sum of c and d?

Mathematics
1 answer:
Nikitich [7]3 years ago
6 0
(c + d) - 3
would be the algebraic phrase
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In around of golf, the lowest score wins. At the end of a round you have score -3 and your friend has score -4. Who won the roun
scoray [572]

Answer: The friend won the round.

Step-by-step explanation:

We want to find the lowest score.

The lowest score means the smallest value.

With intergers, as the number gets farther away from zero to the left, the smaller the value is. The middle number is zero on a number line. The numbers to the left of zero are negative. The number to the write of zero are positive.

As you move to the left on the number line, the numbers get smaller. As you move to the right on  a number line, the values get bigger

Since -4 is farther away from zero to the left on a number line than -3, -4 is smaller.

Hence -4 is smaller than -3. -4 is one more to the left than -3 so -4 is smaller than -3.

Hence the friend won the round.

3 0
2 years ago
If the point (-1/2, y) lies on the line whose equation is 2x - 3y = 6, what is the value of y?
salantis [7]
Plug in the known x value

2(-1/2)-3y=6
-1-3y=6
-3y=7
y=-7/3

Final answer: -7/3
4 0
3 years ago
The graph shows the probability distribution of a random variable.
Natasha2012 [34]
The answer is 0.50.

P(4<=X<=8)=P(x=4)+ P(x=5)+ P(x=6)+ P(x=7)+ P(x=8)= 0.05+ 0.15+0.15+0.15 +0 = 0.50

Notice that in 8 the line touches the x axis so it’s corresponding probability is 0.
5 0
2 years ago
If 800g of a radioactive substance are present initially and 8 years later only 450g remain, how much of the substance will be p
artcher [175]

A=Pe^(rt)

P = 800g

t = 8 years

A = 450g

r = This is what we will try and find to start with

450=800e^(r*8)

After running the math through a calculator, we end with r = -0.07192

Now we just re-input this information into our equation: A=800e^(-0.07192*16)

A=800e^(1.15072)

Now we will re-write the equation using the negative exponent rule:

A = 800 1/e^1.15072

Combine right side:

A = 800/e^1.15072

Then do the math:

A = 253.12709836......

That will give us A = 253 (rounded to the whole number)

I hope this helps! :)

5 0
3 years ago
Can anyone tell me the area? I will give brainlist if I'm able to​
pantera1 [17]

Answer:

143 yds^2

Step-by-step explanation:

3 0
2 years ago
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